JPH08129372A - Image processing device - Google Patents

Abstract

PURPOSE: To make a user possible to confirm the contents of a registered original picture file in a discriminative and optimal size by a simple operation in advance without being restricted by the specifications of a display part. CONSTITUTION: Prescribed specifications data of the display part of an operation part are acquired by a sub-CPU based on the panel displaying demand for a registered picture inputted from an operation part, picture data for displaying on a panel are generated by collating the acquired specification data and the picture attribute data of original picture information demanded for display by means of a CPU 516 and the sub-CPU displays the registered original picture information on the liquid crystal display of the operation part based on the generated picture data for panel display.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing apparatus for processing output image data read from an image file registered in a storage medium and displaying it on an operation panel.

[0002]

2. Description of the Related Art In recent years, a composite image forming apparatus and an image processing apparatus having a plurality of functions, which use a scanner portion and a printer portion of a digital copying apparatus as a facsimile apparatus, a PDL printer apparatus, and an electronic file apparatus, have been put into practical use.

Conventionally, when the above-mentioned composite image forming apparatus is used as an electronic file device, there is a device in which a part of the contents of the file is displayed on the liquid crystal operation panel of the main body of the copying machine.

[0004]

However, at present, the liquid crystal operation panel mounted on the main body of the copying apparatus is generally six.
The size is about 40 × 200 dots, for example 400d
To display A4 size image information equivalent to pi, it was necessary to perform resolution conversion according to the size of the display panel. For this reason, one or several scaling factors are fixed and displayed on the liquid crystal operation panel so that the number of pixels unique to the liquid crystal operation panel is displayed, so that the problem cannot be dealt with when the number of pixels of the liquid crystal operation panel changes. was there.

The present invention has been made in order to solve the above problems, and an object of the first to fourth inventions of the present invention is to acquire specification data of a display unit and to acquire the acquired specification data. And the attribute data of the manuscript image information are compared to generate manuscript image data capable of displaying the manuscript image information on the display unit, so that the registered manuscript image file is not limited to the specifications of the display unit. An object is to provide an image processing device that allows a user to check the file content in advance with a discriminable optimum size by a simple operation.

[0006]

A first aspect of the present invention provides an operation panel section having a display section, display control means for controlling the display of the operation panel section, and an instruction from the operation panel section. An image input means for inputting a document image according to the
Image registration means for registering the document image information output from the image input means in the storage medium together with the image attribute data,
Based on a registered image panel display request input from the operation panel unit, predetermined specification data for the display unit is acquired from the display control unit, and the acquired specification data and the image of the document image information requested to be displayed. Panel data generating means for generating image data for panel display by collating with attribute data, and the display control means performs the display based on the image data for panel display generated by the panel data generating means. The document image information registered in the set is displayed.

According to a second aspect of the present invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and the original document is generated. The resolution of the image information is converted into a resolution that can be displayed on the display unit to generate image data for panel display.

According to a third aspect of the present invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and the original document. The image information is cut out so as to have a size that can be displayed on the display unit, and image data for panel display is generated.

According to a fourth aspect of the present invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered original image information, and the original document is generated. The resolution of the image information is converted to a resolution that can be displayed on the display unit, and the resolution-converted original image information is further rotated in a predetermined direction to generate image data for panel display.

[0010]

In the first aspect of the invention, the predetermined specification data for the display section is acquired from the display control means based on the registered image panel display request input from the operation panel section,
The panel data generation means collates the acquired specification data with the image attribute data of the document image information requested to be displayed to generate image data for panel display, and based on the generated image data for panel display. The display control means displays the document image information registered on the display unit, and the registered document image information can be displayed on the panel without being restricted by the specifications of the display unit.

In the second invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered original image information to obtain the original image information. It is possible to convert the resolution to a resolution that can be displayed on the display unit to generate image data for panel display, convert the resolution to a resolution that matches the number of pixels of the display unit, and display the panel.

In the third invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information to obtain the document image information. It is possible to generate image data for panel display by cutting out to a size that can be displayed on the display unit, and cut out to a size suitable for the number of pixels of the display unit for panel display.

In the fourth invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered original image information, and the original image information of the original image information is obtained. The resolution is converted to a resolution that can be displayed on the display unit, the document image information whose resolution has been converted is further rotated in a predetermined direction to generate image data for panel display, and the resolution is converted to a resolution that matches the number of pixels of the display unit. It is possible to display on the display unit in a panel that is easy to see.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram for explaining the configuration of an image processing apparatus showing an embodiment of the present invention. For example, an example of a composite image processing apparatus in which file function processing, facsimile function processing, etc. can be expanded with options as needed. Indicates.

In the figure, 1 is an image input device for converting an original into image data (hereinafter referred to as a reader section), 2 is a plurality of recording paper cassettes, and image data is recorded on the recording paper by a print command. An image output device (hereinafter referred to as a printer unit) for outputting a visible image, 3 is the reader unit 1
It is an external device electrically connected to and has various functions. The external device 3 has a facsimile section 4, a file section 5, a man-machine interface section connected to the file section 5, a computer interface section 7 for connecting to a computer, and a visible image of information from the computer. The image memory unit 9 for storing information from the formatter unit 8 and the reader unit 1 of FIG.
The core unit 10 and the like for controlling the respective functions of 9 to 9 are provided.

The facsimile unit 4 is provided with a CPU, a RAM (including a dual port RAM), etc., which are not shown, and a communication for performing a facsimile communication process as a composite processing function based on a control instruction from the core unit 10. It is provided with a control circuit, an NCU, a modem, etc., and is configured to be able to process G3 standard communication processing in parallel with other functional processing. Further, as an option, a hard disk (HD) for storing the received information can be connected.
Further, the facsimile unit 4 and the core unit 10 are configured to be communicable via a connector (not shown).

Further, the file unit 5 is provided with a CPU, a RAM (including a dual port RAM) and the like (not shown) as shown in FIG. 5 which will be described later, the document image information is registered in the external storage device 520, and the search instruction is followed. Decompression circuit, compression circuit, scaling circuit for searching registered document image information,
It has a SCSI controller and the like, and the DMA controller controls access to the RAM. Further, the file unit 5 and the core unit 10 are configured to be communicable via a connector.

FIG. 2 is a sectional view showing the construction of the reader unit 1 and the printer unit 2 shown in FIG. The configuration and operation will be described below.

The originals stacked on the original feeding device 101 are sequentially conveyed one by one onto the original table glass surface 102. When the document is conveyed to the exposure position, the lamp 103 of the scanner unit is turned on and the scanner unit 104 moves to expose and scan the document. The reflected light of the document is reflected by the mirror 10.
5, 106, 107 through the lens 108,
After that, it is input to the CCD image sensor unit 109 (hereinafter referred to as CCD).

FIG. 3 is a circuit block diagram showing a signal processing configuration of the reader unit 1 shown in FIG. The configuration and operation will be described below.

The image information input to the CCD 109 is photoelectrically converted here and converted into an electric signal. CCD109
The color information from the following amplifiers 110R, 110G,
At 110B, the signal is amplified according to the input signal level of the A / D converter 111. The output signal from the A / D converter 111 is
Input to the shading circuit 112, where the lamp 1
The light distribution unevenness of No. 03 and the sensitivity unevenness of the CCD are corrected. The signal from the shading circuit 112 is input to the Y signal generation / color detection circuit 113 and the external I / F switching circuit 119. The Y signal generation / color detection circuit 113 calculates the signal from the shading circuit 112 based on the following equation (1) to obtain the Y signal.

Y = 0.3R + 0.6G + 0.1B (1) Further, it has a color detection circuit for separating the R, G, B signals into seven colors and outputting the signals for the respective colors. The output signal from the Y signal generation / color detection circuit 113 is input to the scaling / repeat circuit 114. The scaling in the sub-scanning direction is performed according to the scanning speed of the scanner unit 104, and the scaling / repeat circuit 114 performs scaling in the main scanning direction.

Further, the scaling / repeat circuit 114 can output a plurality of identical images. The contour / edge enhancement circuit 115 obtains edge enhancement and contour information by enhancing high frequency components of the signal from the scaling / repeat circuit. The signal from the contour / edge emphasis circuit 115 is input to the marker area determination / contour generation circuit 116 and the patterning / thickening / masking / trimming circuit 117. The marker area determination / contour generation circuit 116 reads a portion of a document written with a marker pen of a designated color to generate contour information of the marker, and the next patterning / thickening / masking / trimming circuit 117 uses this contour. Thicken, mask and trim from the information.

Further, patterning is performed by the color detection signal from the Y signal generation / color detection circuit 113. The output signal from the patterning / thickening / masking / trimming circuit 117 is input to the laser driver circuit 118 and variously processed signals are converted into signals for driving a laser. The signal from the laser driver circuit is input to the printer 2 and image formation is performed as a visible image.

Next, the external I / F switching circuit 119 for interfacing with an external device will be described.

The external I / F switching circuit 119 outputs the image information from the patterning / thickening / masking / trimming circuit 117 to the connector 120 when the image information is output from the reader unit 1 to the external device 3. . When the reader unit 1 inputs image information from the external device 3, the external I
The / F switching circuit 119 inputs the image information from the connector 120 to the Y signal generation / color detection circuit 113.

The above image information is stored in the CPU circuit section (CP
U) 122, and the CPU circuit unit 12
From the value set by 2, the area generation circuit 121
Various timing signals necessary for the image processing are generated. Further, communication with the external device 3 is performed using the communication function built in the CPU circuit unit 122. Sub CPU1
A sub-CPU 23 controls the operation unit 124 and
Communication with the external device 3 is performed using the communication function built in the 123.

The configuration and operation of the printer unit 2 will be described below with reference to FIG.

The signal input to the printer unit 2 is converted into an optical signal by the exposure control unit 201 and converted into an image signal by the photosensitive member 2.
02 is irradiated. The latent image formed on the photoconductor 202 by the irradiation light is developed by the developing device 203. The transfer paper is conveyed from the transfer paper stacking unit 204 or the transfer paper stacking unit 205 at the same timing as the latent image and transferred to the transfer unit 206.
At, the developed image is transferred. The transferred image is fixed on the transfer paper by the fixing unit 207 and then discharged from the paper output unit 208 to the outside of the apparatus. The transfer paper output from the paper output unit 208 is discharged to each bin when the sort function is working in the sorter 220 or to the highest bin of the sorter when the sort function is not working. .

Next, a method for outputting sequentially read images on both sides of one output sheet will be described. Fixing unit 20
The output paper sheet fixed at No. 7 is once conveyed to the paper discharge unit 208, then the conveyance direction of the paper sheet is reversed and conveyed to the re-feeding transfer paper stacking unit 210 via the conveyance direction switching member 209. When the next original is prepared, the original image is read in the same manner as the above process, but the transfer paper is fed from the re-feed transfer paper stacking unit 210, so that two sheets are printed on the front and back sides of the same sheet. The original image can be output.

The system configuration and operation of the external device 3 shown in FIG. 1 will be described below.

The external device 3 is connected to the reader unit 1 by a cable, and the core unit 10 in the external device 3 controls signals and functions. In the external device 3, there are provided an interface between the computer and a facsimile unit 4 for performing facsimile transmission / reception, a file unit 5 for converting various document information into electric signals and storing the same, and a formatter unit 8 for developing code information from the computer into image information. Computer
It comprises an interface section 7, an image memory section 9 for accumulating information from the reader section 1 and temporarily accumulating information sent from a computer, and a core section 10 for controlling the above-mentioned functions.

The configuration and operation of the core section 10 of the external device 3 will be described below with reference to the block diagram shown in FIG.

FIG. 4 is a block diagram showing a detailed structure of the core section 10 shown in FIG.

The connector 1001 contains four types of signals, and the signal 1057 is an 8-bit multivalued video signal. The signal 1055 is a control signal for controlling a video signal. The signal 1051 is sent to the CPU 1 in the reader unit 1.
22 to communicate. The signal 1052 is S in the reader unit 1.
Communicates with the UB / CPU 123. The signal 1051 and the signal 1052 are subjected to communication protocol processing by the communication IC 1002, and communication information is transmitted to the CPU 1003 via the CPU bus 1053.

The signal 1057 is a bidirectional video signal, and the information from the reader unit 1 can be received by the core unit 10 and the information from the core unit 10 can be output to the reader unit 1. Signal 1057 is connected to buffer 1010, where it is separated from bidirectional signals into unidirectional signals 1058 and signals 1070. The signal 1058 is an 8-bit multivalued video signal from the reader unit 1 and is used for the LU of the next stage.
It is input to T1011. The LUT 1011 converts the image information from the reader unit 1 into a desired value using a look-up table. Output signal 10 from LUT 1011
59 is input to the binarization circuit 1012 or the selector 1013.

The binarization circuit 1012 has a multilevel signal 10
A simple binarization function of binarizing 59 with a fixed slice level, a binarization function of a variable slice level in which the slice level fluctuates from the values of pixels around the pixel of interest, and a binarization function of an error diffusion method. Have. The binarized information is converted into a multivalued signal of "00H" when it is "0" and "FFH" when it is "1", and is input to the selector 1013 at the next stage. The selector 1013 selects the signal from the LUT 1011 or the output signal of the binarization circuit 1012. The output signal 1060 from the selector 1013 is input to the selector 1014.

The selector 1014 is for the facsimile unit 4,
Output video signals from the file unit 5, the computer interface unit 7, the formatter unit 8, and the image memory unit 9 are input to connectors 1005, 1006, 1007, respectively.
The signal 1064 input to the core unit 10 via 1008 and 1009 and the output signal 1060 of the selector 1013 are CP
It is selected by the support of U1003. The output signal 1061 of the selector 1014 is input to the rotation circuit 1015 or the selector 1016. The rotation circuit 1015 has a function of rotating the input image signal by +90 degrees, -90 degrees, and +180 degrees.

The rotating circuit 1015 stores the information from the reader unit 1 in the rotating circuit 1015 after the information output from the reader unit 1 is converted into a binary signal by the binarizing circuit 1012. Next, the rotation circuit 1 is instructed by the CPU 1003.
015 rotates and reads the stored information. The selector 1016 outputs the output signal 1062 of the rotation circuit 1015,
One of the input signals 1061 of the rotation circuit 1015 is selected, and as the signal 1063, the connector 1005 with the facsimile unit 4, the connector 1006 with the file unit 5, the connector 1007 with the computer interface unit 7, and the connector 1008 with the formatter unit 8 are selected. , To the connector 1009 of the image memory unit 9 and the selector 1017.

The signal 1063 functions as a synchronous 8-bit unidirectional video bus for transferring image information from the core unit 10 to the facsimile unit 4, file unit 5, computer interface unit 7, formatter unit 8 and image memory unit 9. To do. The signal 1064 functions as a synchronous 8-bit unidirectional video bus that transfers image information from the facsimile unit 4, file unit 5, computer interface unit 7, formatter unit 8, and image memory unit 9.
It is the video control circuit 1004 that controls the synchronous bus of the signal 1063 and the signal 1064, and the control is performed by the output signal 1056 from the video control circuit 1004. The connectors 1005 to 1009 include
Besides, the signals 1054 are respectively connected. Signal 105
Reference numeral 4 functions as a bidirectional 16-bit CPU bus, and exchanges data commands asynchronously. Information can be transferred between the facsimile section 4, the file section 5, the computer interface section 7, the formatter section 8, the image memory section 9 and the core section 10 by means of the above two video buses 1063 and 1064 and the CPU bus 1054. .

The signal 1064 from the facsimile unit 4, file unit 5, computer interface unit 7, formatter unit 8 and image memory unit 9 is sent to the selector 1014.
To the selector 1017. The selector 1016 is
The signal 1064 is input to the next rotation circuit 1015 in accordance with an instruction from the CPU 1003.

The selector 1017 selects the signal 1063 and the signal 1064 according to an instruction from the CPU 1003. The output signal 1065 of the selector 1017 is input to the pattern matching 1018 and the selector 1019. The pattern matching 1018 performs pattern matching of the input signal 1065 with a predetermined pattern and outputs a predetermined multi-valued signal 1066 when the patterns match. When they do not match in the pattern matching, the input signal 1065 is output as the signal 1066.

The selector 1019 outputs the signals 1065 and 1
066 is selected by the instruction of the CPU 1003. The output signal 1067 of the selector 1019 is the LUT 102 of the next stage.
Enter 0.

The LUT 1020 uses the input signal 1 according to the characteristics of the printer when outputting image information to the printer unit 2.
Convert 067.

The selector 1021 selects the output signal 1068 and the signal 1065 of the LUT 1020 according to an instruction from the CPU 1003. Output signal 1069 of selector 1021
Is input to the expansion circuit 1022 at the next stage.

The enlargement circuit 1022 can set the enlargement magnification independently in the X and Y directions according to an instruction from the CPU 1003. The expansion method is a first-order linear interpolation method. The output signal 1070 of the expansion circuit 1022 is input to the buffer 1010.

Signal 1070 input to buffer 1010
Becomes a bidirectional signal 1057 according to an instruction from the CPU 1003, is sent to the printer unit 2 via the connector 1001, and is printed out.

The signal flow between the core section 10 and the file section 5 will be described below. [Processing of Core Unit 10 Based on Information from File Unit 5] A case of outputting information to the file unit 5 will be described.

The CPU 1003 communicates with the CPU 122 of the reader unit 1 via the communication IC 1002 and issues a document scan command. The reader unit 1 causes the scanner unit 104 to scan the document according to this command,
The image information is output to the connector 120. The reader unit 1 and the external device 3 are connected by a cable, information from the reader unit 1 is input to the connector 1001 of the core unit 10, and image information input to the connector 1001 is unidirectional by the buffer 1010. Signal 1058. The signal 1058 which is a multi-valued 8-bit signal is converted into a desired signal by the LUT 1011.

The output signal 1059 of the LUT 1011 is the selector 1013, the selector 1014, and the selector 1016.
Input to the connector 1006 via. That is, the 8-bit multi-value data is transferred to the file unit 5 as it is without using the functions of the binarization circuit 1012 and the rotation circuit 1015. CPU100
When filing a binarized signal by communication with the file unit 5 via the third CPU bus 1054, the functions of the binarization circuit 1012 and the rotation circuit 1015 are used.
The binarization process and the rotation process are omitted because they are the same as in the case of the above-mentioned facsimile.

Next, the case of receiving information from the file section 5 will be described.

The image information from the file section 5 is the connector 1
The signal 1064 is input to either the selector 1014 or the selector 1017 via 006. It is possible to input to the selector 1017 in the case of 8-bit multi-valued filing and to the selector 1014 or 1017 in the case of binary filing.

In the case of binary filing, the same processing as in facsimile is omitted. In the case of multi-value filing, the output signal 1065 from the selector 1017 is transferred to the selector 10
19 to the LUT 1020. LUT102
At 0, the CPU 100 is adjusted according to the desired print density.
A lookup table is created according to the instruction of 3. LU
The output signal 1068 from T1020 is the selector 102
1 to the expansion circuit 1022.

The 8-bit multi-level signal 1070 expanded to a desired expansion ratio by the expansion circuit 1022 is supplied to the buffer 10
10, sent to the reader unit 1 via the connector 1001. The information of the file unit 5 sent to the reader unit 1 is output to the printer unit 2 and image formation is performed on the output paper as in the above-mentioned facsimile.

The detailed configuration and operation of the file unit 5 will be described below with reference to the block diagram shown in FIG.

FIG. 5 is a block diagram for explaining the detailed structure of the file unit 5 shown in FIG.

In the figure, the file section 5 is a connector 5
00 is connected to the core unit 10 to exchange various signals. The signal 551 is a bidirectional 8-bit multi-valued image signal, which is input to the compression circuit 503, where multi-valued image information is converted into binary compression information 552 to be converted into the memory controller 5.
Output to 10.

The memory controller 510 is the CPU 51.
According to the instruction of 6, the memory A506, B507, C50
8, a mode for exchanging data between the D509 and the CPU bus 560, and a CODEC 517 for encoding / decoding
The mode for exchanging data with the CODEC bus 570 and the compression information 5 under the control of the timing generation circuit 514.
52 is a memory A506, B507, C508, D509
Mode to be stored in any of the memory A506, B50
It has four functions of a mode in which the memory content is output as a read signal 556 from any one of C7, C508, and D509. Memories A506, B507, C508, D509
Has a memory capacity of 2 Mbytes each and 400D
An image corresponding to A4 is stored with the resolution of PI.

The timing generation circuit 514 is connected to the connector 50.
0 is connected by a signal line 553, and is activated by control signals HSYNC, HEN, VSYNC, VEN from the core unit 10 to generate signals for achieving the following two functions.

First, the information from the core unit 10 is stored in the memory A.
506, B507, C508, D509, a function of storing in one memory or two memories, and two are a function of transmitting as a read signal 556 from any one of the memories A506, B507, C508, D509. . The connector 500 exchanges signals with the man-machine interface unit shown in FIG.

When the image information is output from the file section 5 to the man-machine interface section, the signal line 568 is used.
Information is transferred via a buffer and a connector (not shown). The dual port memory 515 is connected to the CPU 1003 of the core unit 10 via the signal line 554 and the CPU 516 of the file unit 5 via the CPU bus 560.
The CPUs 1003 and 516 exchange commands via the dual port memory 515.

The SCSI controller 519 is an external storage device 520 connected to the file unit 5 shown in FIG.
Interface with. The external recording device 520 is specifically composed of a magneto-optical disk, and stores data such as image information. CODEC 517 is a memory A50
6, the image information stored in B507, C508, or D509 is read, and MH, MR, MMR are read.
After encoding by the method desired by the method, the memory A50
6, B507, C508, or D509 is stored as encoded information.

In addition, the memories A506, B507, C50
8, read the coded information stored in D509 and read M
After decoding by a desired method of H, MR and MMR, it is stored in any of the memories A506, B507, C508 and D509 as the decoding information, that is, image information.

An example of processing for accumulating file information in the external storage device 520 will be described below.

The 8-bit multi-valued image signal from the reader unit 1 is input from the connector 500 and the signal line 551 to the compression circuit 503, where the binary compressed signal 552 is input.
Is converted to. The compressed information 552 reaches the memory controller 510 at the subsequent stage. The memory controller 510 is
A signal input from the core unit 10 via the signal line 553 causes the timing generation circuit 514 to output the timing signal 55.
9 and stores the compressed signal 552 in the memory A 506 according to this signal. The CPU 516 replaces the memory A 506 and the memory B 507 of the memory controller 510 with C
Connect to the bus line 570 of the ODEC 517.

The CODEC 517 reads the compressed signal 552 compressed from the memory A 506, encodes it by the MR method, and writes the encoded information in the memory B 507. C
When the ODEC 517 finishes encoding, the CPU 516
CPs the memory B 507 of the memory controller 510.
Connect to U-Bus 560. The CPU 516 sequentially reads the encoded information from the memory B507 and transfers it to the SCSI controller 519. SCSI controller 51
9 stores the encoded information 572 in the external storage device 520.

Next, an example of a print process for extracting information from the external storage device 520 and outputting it from the printer unit 2 will be described.

Upon receiving the information retrieval / printing instruction from the man-machine interface, the CPU 516 sends the SC
The encoded information is received from the external storage device 520 via the SI controller 519, and the encoded information is transferred to the memory C508. At this time, the memory controller 5
The CPU 10 connects the CPU bus 560 to the bus 562 of the memory C508 according to an instruction from the CPU 516. Memory C50
When the transfer of the encoded information to 8 is completed, the CPU 516
By controlling the memory controller 510,
The memory C508 and the memory D509 are connected to the bus 570 of the CODEC 517.

The CODEC 517 reads the coded information from the memory C 508 and sequentially decodes the coded information.
Transfer to 9. The CPU 516 communicates with the CPU 1003 of the core unit 10 via the dual port memory 515, passes from the memory D509 through the core unit 10 and the printer unit 2
Make settings to print out the image. When the setting is completed, the CPU 516 controls the timing generation circuit 514.
Then, the timing signal 559 is output to the memory controller 510. The memory controller 510 reads the decoded information from the memory D509 in synchronization with the signal 559 from the timing generation circuit 514, and transmits the signal 556 to the decompression circuit 504. The signal 556 is the expansion circuit 50.
4, the decoded information is expanded and converted into image information. The output signal 556 of the expansion circuit 504 is input to a buffer (not shown) and output to the connector 500 as a signal 555.

The process up to the output from the connector 500 to the printer unit 2 has been described for the core unit 10 and will not be repeated.

Correspondence between the present embodiment and each means of the first to fourth inventions and their functions will be described below with reference to FIG.

The first aspect of the present invention is a display section (an operation panel section having a liquid crystal display 1201 described later (operation section 1
24)), display control means (sub CPU 123) for controlling the display of the operation panel section, image input means (reader section 1) for inputting a document image in response to an instruction from the operation panel section, and this image. The document image information output from the input means is registered in a storage medium (a magneto-optical disk 521 of the external storage device 520) together with image attribute data (the number of pixels in the main / sub-scanning direction and the resolution in the main / sub-scanning direction described later). Image registration means (file unit 5) and predetermined specification data for the display unit are acquired from the display control unit based on a registered image panel display request input from the operation panel unit, and the acquired specification data Panel data generating means for generating image data for panel display by collating with the image attribute data of the document image information requested to be displayed (CPU 516 of file unit 5). It has a door, CPU5 of the file unit 5
Since the sub CPU 123 displays the document image information registered in the liquid crystal display 1201 based on the image data for panel display generated by the operation unit 124.
Based on a registered image panel display request input from the sub CPU 123, predetermined specification data for the display unit is acquired, and the CPU 516 collates the acquired specification data with the image attribute data of the requested document image information. To generate image data for panel display, and the sub CPU 123 based on the generated image data for panel display.
Allows the registered original image information to be displayed on the liquid crystal display 1201, and the entire original image to be displayed on the panel without being limited by the specifications of the display unit.

In the second invention, the panel data generating means is
For panel display by comparing the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information and converting the resolution of the document image information into a resolution that can be displayed on the display unit. It is possible to generate the image data of (1), convert it to a resolution suitable for the number of pixels of the display unit, and display it on the panel.

According to a third invention, the panel data generating means is
For panel display by comparing the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and cutting out the document image information to a size that can be displayed on the display unit. It is possible to generate the image data of, and cut it to a size corresponding to the number of pixels of the display unit and display it on the panel.

According to a fourth invention, the panel data generating means is
By comparing the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, the resolution of the document image information is converted to a resolution that can be displayed on the display unit,
The resolution-converted original image information is further rotated in a predetermined direction to generate image data for panel display, and the image data is converted into a resolution suitable for the number of pixels of the display section, so that the panel display can be easily displayed on the display section. .

Hereinafter, with reference to FIG. 6, image data display processing on the liquid crystal display arranged in the operation unit 124 shown in FIG. 3 (regardless of the specifications of the liquid crystal display panel, the file unit 5 is always displayed). Disk 521 of external storage device 520
The image display processing for displaying the image information in the image on the liquid crystal display panel as a visible image in the optimum size will be described.

FIG. 6 is a schematic diagram for explaining an image display operation on the liquid crystal display arranged in the operation unit 124 shown in FIG.

As described with reference to FIG. 5, the magneto-optical disk 521 in the external storage device 520 stores, for example, image data input from the reader unit 1 together with detailed image attribute data of each image data. ing. The image attribute data is, for example, the number of pixels in the main scanning direction, the number of pixels in the sub scanning direction, the resolution in the main scanning direction, the resolution in the sub scanning direction, and the number of bits per sample. C
The PU 516 stores these image attribute data in the external storage device 5
20 by performing a predetermined access with the external storage device 5
It is possible to obtain all the image data in 20.

Further, the sub CPU 123 can control the liquid crystal display panel attached to the operation unit 124 shown in FIG. Moreover, the display content is the signal bus 1
It is possible to receive it from the outside of the operation unit 124 via 25.

Further, the sub CPU 123 has an operating section 124.
The specification data of the liquid crystal display panel can be transferred to the file unit 5 through the signal bus 125 and the core unit 10. The specification data of the liquid crystal display panel is, for example, the number of pixels in the X direction and the number of pixels in the Y direction.

The CPU 516 of the file unit 5 receives the encoded information from the external storage device 520 via the SCSI controller 519 and stores the encoded information in the memory C5.
08. When the transfer of the encoded information from the memory C508 is completed, the CPU 516 causes the memory controller 5
By controlling memory C508 and memory D
509 to bus 570 of CODEC 517. C
The ODEC 517 reads the encoded information from the memory C 508, sequentially decodes the encoded information, and then transfers the encoded information to the memory D 509.

Next, the memory D509 and the memory A506 are connected to the bus 562 of the scaling circuit 511, and the contents of the memory D509 are converted into a predetermined area of the memory A506 for reduction / rotation under the control of the DMA controller 518. Transfer the image. At this time, the CPU 516 executes the external storage device 52.
Image attribute data (number of pixels, resolution, etc.) associated with the image data read from 0 and the sub CPU 12 of the operation unit 124.
3 and the specification data of the liquid crystal display panel (the number of pixels in the X direction and the number of pixels in the Y direction) transferred from No. 3, the number of pixels in the X direction and Y of the reduced image after conversion which is displayed on the liquid crystal display panel
The scaling / rotation circuit 511 is instructed to perform the conversion processing to the number of pixels in the direction and the rotation processing as necessary.

The rotation processing may be performed in the case where the longitudinal direction and the lateral direction of the original document are reversed before and after conversion. In this way, the image is laid out in a predetermined area on the memory A 506 under the control of the CPU 516.

Next, the CPU 516 communicates with the CPU 1003 of the core unit 10 via the dual port memory 515, and passes from the memory A 506 through the core unit 10 to the operation unit 12.
Setting for outputting an image to the liquid crystal display panel 4 is performed. The following processing is as described above.

Although the storage medium such as the magneto-optical disk 521 is taken as an example of the original image input means, the image data input from the computer interface section 7 and
The same process can be performed on the image data received by the facsimile unit 4 or the image data input from the reader unit 1.

The panel display processing operation of the registered image in the image processing apparatus according to the present invention will be described below with reference to the flowchart shown in FIG.

FIG. 7 is a flow chart showing an example of the panel display processing procedure of the registered image in the image processing apparatus according to the present invention. Note that (1) to (9) indicate each step.

First, a series of image data is input as a file from the reader unit 1 to the file unit 4 to capture an image in the external storage device 520.

Next, a series of image data is input as a file from the reader unit 1 to the file unit 4 in order to load the image into the external storage device 520 (1).

Next, the image data 1202 stored and stored in the external storage device 520 is stored in the magneto-optical disk 521 which is a storage medium of the external storage device 520 (2).

Next, it is determined whether or not an instruction for displaying the image data 1202 stored and accumulated in the external storage device 520 on the liquid crystal display device 1201 such as the liquid crystal display touch panel of the operation unit 124 is input by the user (3 ), NO, that is, if it is not desired to display the file contents on the liquid crystal display device 1201, the process is ended because it is not directly related to the present invention.

On the other hand, in step (3), the external storage device 5
Image data 1202 stored and accumulated in the operation unit 124
Liquid crystal display device 1201 such as a liquid crystal display touch panel
If it is determined that the user has input an instruction to display on the liquid crystal display device 1201 of the operation unit 124.
The specification information such as the number of pixels is read by the file unit 4 (4), and the image data 1202 stored and accumulated in the external storage device 520 is read (5).

In step (6), first the image data 12
The image information No. 02 is transferred to the operation unit 124. Next, based on the image information of the image data 1202, the display image information about the display image data 1203 to be displayed on the liquid crystal by the operation unit 124 is designated. Here, the display image information is X, Y.
Information such as direction offset coordinates, number of pixels in X and Y directions, and rotation angle.

Next, the designated display image information is read by the file section 4, and the image data 120 is read according to the display image information.
2 is subjected to image processing such as resolution conversion processing, rotation processing, and clipping, and converted into image data 1203 suitable for being actually displayed on the liquid crystal display device 1201.

Next, the image data 1203 converted in step (6) is stored in the memory of the file unit 5 (7),
The stored converted image is read from the memory of the file unit 5 and transferred to the operation unit 124 (8).

Next, the image data transferred by the operation unit 124 is received and displayed on the liquid crystal display 1201 of the operation unit 124 (9), and the process is terminated.

As a result, the file contents can be displayed as an appropriate visible image that matches the display portion of the operation unit 124.

In the above embodiment, the case where the registered image is displayed on the operation unit 124 of the image processing apparatus capable of executing the composite image processing has been described. However, regarding the display processing method and the other display processing, It may be displayed according to the procedure.

According to the above-described embodiment, the registered original image is displayed on the panel as a distinguishable original image without being restricted by the specifications of the display unit, and the user can easily confirm the contents of the original image by a simple operation. Can be confirmed.

Although the original image information is stored in the magneto-optical disk 521 of the external storage device 520, the original image information is not limited to the original image input from the reader unit 1, but via the computer interface 7 shown in FIG. Document image information acquired from an external computer,
It may be document image information received by the facsimile unit 4.

[0101]

As described above, the first aspect of the present invention
According to the invention, the predetermined specification data for the display unit is acquired from the display control unit on the basis of the registered image panel display request input from the operation panel unit, and the panel data generation unit acquires the acquired specification data. Image data for panel display is generated by collating with the image attribute data of the document image information requested to be displayed, and the display control means is registered in the display unit based on the generated image data for panel display. Since the original image information is displayed, the registered original image information is not limited by the specifications of the display unit, and the entire image can be displayed on the panel.

According to the second invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and the document image information. Since the image data for panel display is generated by converting the resolution of 1 to a resolution that can be displayed on the display unit, it is possible to convert to a resolution that matches the number of pixels of the display unit and display on the panel.

According to the third invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered original image information, and the original image information is obtained. Is cut out to a size that can be displayed on the display unit, and image data for panel display is generated.
A panel display can be performed by cutting out into a size suitable for the number of pixels of the display portion.

According to the fourth invention, the panel data generating means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered original image information, and the original image information is obtained. Is converted into a resolution that can be displayed on the display unit, and the resolution-converted document image information is further rotated in a predetermined direction to generate image data for panel display. It can be converted and displayed on the display unit in a panel that is easy to see.

Therefore, the registered original image file is not limited to the specifications of the display section, and the user can check the file contents in advance by a simple operation with the optimum size that can be discriminated.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating a configuration of an image processing apparatus according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a configuration of a reader unit and a printer unit shown in FIG.

3 is a circuit block diagram showing a signal processing configuration of a reader unit shown in FIG.

FIG. 4 is a block diagram showing a detailed configuration of a core section shown in FIG.

5 is a block diagram illustrating a detailed configuration of a file section shown in FIG.

6 is a schematic diagram illustrating an image display operation on a liquid crystal display provided in the operation unit shown in FIG.

FIG. 7 is a flowchart showing an example of a panel display processing procedure of a registered image in the image processing apparatus according to the present invention.

[Explanation of symbols]

 5 file unit 510 memory controller 516 CPU 520 external storage device

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical indication H04N 1/40

Claims (4)

[Claims] 1. An operation panel section having a display section, display control means for controlling the display of the operation panel section, image input means for inputting a document image in response to an instruction from the operation panel section, and this image. Image registration means for registering the document image information output from the input means in a storage medium together with image attribute data; Panel data generating means for acquiring predetermined specification data and collating the acquired specification data with the image attribute data of the document image information requested to be displayed to generate image data for panel display. Based on the image data for panel display generated by the panel data generating means, the display control means may display the document image information registered in the display section. An image processing device characterized by: 2. The panel data generation means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and displays the resolution of the document image information on the display unit. The image processing apparatus according to claim 1, wherein the image processing apparatus converts the image data into a displayable resolution to generate image data for panel display. 3. The panel data generating means can display the document image information on the display unit by comparing the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information. 2. The image data for panel display is generated by cutting out the image data so as to have a different size.
The image processing device described. 4. The panel data generation means compares the number of pixels in the predetermined specification data with the number of pixels in the image attribute data of the registered document image information, and displays the resolution of the document image information on the display unit. 2. The image processing apparatus according to claim 1, wherein the resolution is converted to a displayable resolution, and the resolution-converted original image information is further rotated in a predetermined direction to generate image data for panel display.