CN109637479B - Image processing method and device and display - Google Patents
Image processing method and device and display Download PDFInfo
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- CN109637479B CN109637479B CN201910027690.2A CN201910027690A CN109637479B CN 109637479 B CN109637479 B CN 109637479B CN 201910027690 A CN201910027690 A CN 201910027690A CN 109637479 B CN109637479 B CN 109637479B
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- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 66
- 238000009825 accumulation Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000010365 information processing Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/10—Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels
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Abstract
The embodiment of the invention provides an image processing method, an image processing device and a display, wherein the image processing method comprises the following steps: acquiring first image display data of an original image; and accumulating the first image display data field by field to obtain second image display data for identifying the original image. The embodiment of the invention can obviously distinguish and display the image pixels in the image by accumulating the display data of the image field by field, so that the image is clearer and the efficiency of identifying and analyzing the image is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of image processing, in particular to an image processing method, an image processing device and a display.
Background
With the development of liquid crystal display technology, more and more liquid crystal display products and control chips are available. Most displays simply display images without processing the images, and similar pixels in the images cannot be carefully and clearly distinguished when the images are blurred or dynamically shaken.
The conventional universal method corrects the image by a GAMMA correction method, can correct the image to a certain extent, but has limited dithering bit depth of the displayed image, some images can not be distinguished obviously, and the conventional display can not distinguish when detail pixel difference needs to be checked further.
Therefore, there is a need for an image processing method, an image processing apparatus and a display to solve the above problems.
Disclosure of Invention
To solve the problems in the prior art, embodiments of the present invention provide an image processing method and apparatus, and a display.
In a first aspect, an embodiment of the present invention provides an image processing method, including:
acquiring first image display data of an original image;
and accumulating the first image display data field by field to obtain second image display data for identifying the original image.
In a second aspect, an embodiment of the present invention provides an image processing apparatus, including:
the signal input interface module is used for acquiring first image display data of an original image;
and the image processing module is used for performing field-by-field accumulation processing on the first image display data to acquire second image display data for identifying the original image.
In a third aspect, an embodiment of the present invention provides a display based on the image processing apparatus in the second aspect.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the method as provided in the first aspect when executing the program.
In a fifth aspect, an embodiment of the present invention provides a non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method as provided in the first aspect.
According to the image processing method, the image processing device and the display, provided by the embodiment of the invention, the display data of the image is subjected to field-by-field accumulation processing, so that image pixels in the image can be obviously distinguished and displayed, the image is clearer, and the efficiency of identifying and analyzing the image is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of an image processing method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an image processing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an image processing apparatus based on an FPGA chip according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flowchart of an image processing method according to an embodiment of the present invention, and as shown in fig. 1, an embodiment of the present invention provides an image processing method, including:
and 102, performing field-by-field accumulation processing on the first image display data to acquire second image display data for identifying the original image.
In the embodiment of the present invention, first, in step 101, first image display data of an original image is acquired. And encoding the acquired original image according to a field mode, and acquiring display data, namely first image display data according to the bit depth information of the original image. Then, in step 102, the first image display data is accumulated field by field to obtain second image display data for identifying the original image. In the embodiment of the present invention, it should be noted that the collected first image display data is subjected to field-by-field accumulation, and the number of times of accumulation (field number) can be set arbitrarily in theory, but tests show that when the accumulated field number does not exceed 16 fields, the different pixels can be identified by the obtained second image display data, and if field number accumulation is continued, the display effect of the obtained image display data is not significantly improved.
According to the image processing method provided by the embodiment of the invention, the display data of the image is subjected to field-by-field accumulation processing, so that the image pixels in the image can be obviously distinguished and displayed, the image is clearer, and the efficiency of identifying and analyzing the image is improved.
On the basis of the foregoing embodiment, the performing field-by-field accumulation processing on the first image display data to obtain second image display data for identifying the original image includes:
judging the image type of the original image, if the original image is judged to be a static display image, performing field-by-field accumulation processing on first image display data of the static display image, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the static display image;
and if the original image is judged to be the dynamic unstable image, performing arithmetic mean processing on the first image display data of the dynamic unstable image, performing field-by-field accumulation processing on the first image display data after the arithmetic mean processing, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the dynamic unstable image.
In the embodiment of the present invention, when performing field-by-field accumulation processing on the first image display data of the original image, it is necessary to determine the image type of the original image, and perform field-by-field accumulation on the static display image or the dynamic unstable image by using different methods according to the determination result, where it is to be noted that the dynamic unstable image refers to a phenomenon that the original image displayed by the display has dynamic jitter, so that similar pixels in the image cannot be carefully and clearly resolved.
Further, in the embodiment of the present invention, the explanation is made with the first image display data being 8-bit data, and when the original image is a still display image, the first image display data is D1-0, D2-1, D3-5, D4-6, D7-127, D8-128 … … -D10-254, D11-255, the difference between D1 and D2 is 1, the difference between D3 and D4 is 1, the difference between D7 and D8 is 1, and the difference between D10 and D11 is 1. Therefore, when the display is performed on a display, the pixels are not easily distinguished from each other, or a relatively blurred boundary is formed. And then, performing field-by-field accumulation processing on the first image display data, wherein the accumulated field number can be preset or can be visually set through the field-by-field accumulation effect of the image presented on a display until the difference between the image pixels can be clearly distinguished. For example, after 4-field-by-field accumulation processing, the second image display data is: d1 is 0, D2 is 4, D3 is 20, D4 is 24, D7 is 508, D8 is 512 … …, D10 is 1016, and D11 is 1020, it should be noted that the second image display data is changed to D1 is 0, D2 is 4, D3 is 20, D4 is 24, D7 is 253, D8 is 2 … …, D10 is 251, and D11 is 255, because 8-bit image display data cannot be displayed 1016 and 1020, and image display data is subjected to a modulo 255. According to the second image display data obtained by field-by-field accumulation, the difference between pixels is more obvious, the difference between D1 and D2 is 4, the difference between D3 and D4 is 4, and the difference between D10 and D11 is 4, so that the second image display data can be better identified on a display. In addition, the image display data of D7 and D8 are subjected to data inversion, so that the image is subjected to inversion transformation, but the difference between the inverted pixels can be obviously identified on a display, and after the difference of the pixels of the image is judged, the image accumulated field by field can be restored to the original image.
Further, in the embodiment of the present invention, when the original image is a dynamic unstable image, the unstable image display data is processed by an arithmetic mean method, for example, due to dynamic jitter, the position of a certain pixel in the image is unstable, which results in a plurality of image display data of the pixel, so that the method of averaging the plurality of display data of the pixel obtains the image display average data of the pixel, and then the image display average data is processed according to the field-by-field accumulation of the static display image, and the specific processing method is consistent with the above method, and is not described herein again.
On the basis of the above embodiment, the acquiring first image display data of an original image includes:
and processing the original image according to a YUV-RGB mutual conversion formula to obtain the first image display data, wherein the first image display data comprises bit depth information of the original image.
In the embodiment of the invention, if the output bit depth of the image is significantly greater than the input bit depth, for example, a color display is used to check the black-and-white image, firstly, whether the image is the black-and-white image is judged by a YUV-RGB conversion formula, if the image is determined to be the black-and-white image, the bit depth information of the black-and-white image is calculated by the conversion formula, and further, image display data is obtained by field mode coding. In the embodiment of the present invention, the black-and-white image is generally a black-and-white image with 8 bits, 10 bits or 16 bits depth, and the color display is generally a R, G, B display with 8 bits each, and the image display data is accumulated field by field according to the bit depth information of the black-and-white image, and is converted into color display data until the subtle differences of the image pixels can be clearly distinguished. In addition, because the picture of the black-and-white image is converted into the color image, the bottom color of the color image, such as blue, red or green, can be selected by selecting the proper color style, so that the pixels in the image can be better identified.
Fig. 2 is a schematic structural diagram of an image processing apparatus according to an embodiment of the present invention, and as shown in fig. 2, an embodiment of the present invention provides an image processing apparatus including: the image processing device comprises a signal input interface module 201 and an image processing module, wherein the signal input interface module 201 is used for acquiring first image display data of an original image; the image processing module 202 is configured to perform field-by-field accumulation processing on the first image display data to obtain second image display data, so as to identify the original image.
According to the image processing device provided by the embodiment of the invention, the display data of the image is subjected to field-by-field accumulation processing, so that the image pixels in the image can be obviously distinguished and displayed, the image is clearer, and the efficiency of identifying and analyzing the image is improved.
On the basis of the foregoing embodiment, the image processing module 202 is further configured to determine an image type of the original image, perform field-by-field accumulation processing on first image display data of the static display image if the original image is determined to be the static display image, and obtain second image display data of the static display image if the field-by-field accumulation times reach preset times;
and if the original image is judged to be the dynamic unstable image, performing arithmetic mean processing on the first image display data of the dynamic unstable image, performing field-by-field accumulation processing on the first image display data after the arithmetic mean processing, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the dynamic unstable image.
On the basis of the above embodiment, the signal input interface module 201 is further configured to process the original image according to a YUV-RGB interconversion formula to obtain the first image display data, where the first image display data includes bit depth information of the original image.
On the basis of the above embodiments, the image processing module 202 is constructed based on an FPGA chip.
On the basis of the above embodiment, the signal input interface module 201 includes a VGA signal input interface, a DVI signal input interface, an HDMI signal input interface, and a DP signal input interface.
Fig. 3 is a schematic structural diagram of an image processing apparatus based on an FPGA chip according to an embodiment of the present invention, which can be referred to fig. 3, and in the embodiment of the present invention, an image processing module 202 is constructed by the FPGA chip and is disposed on a PCB. Besides, a signal input interface module 201, a level conversion chip 203, a storage module 204, an information processing module 205, a power interface 206, a battery unit 207, a dial-up unit 208 and a display output interface module 209 are further disposed on the PCB, wherein the signal input interface module 201 is configured to buffer received images or temporary display data into the storage module 204 in a field mode, and after a user sets control information for image processing through the dial-up unit 208, the dial-up unit 208 transmits the control information to the information processing module 205 through a serial port. Then, the information processing module 205 processes the control information and transmits the processed control information to the image processing module 202. The image processing module 202 retrieves the corresponding image display data cached in the storage module 204 according to the control information, and performs field-by-field accumulation on the image display data. And when the accumulation times reach the times set by the control information, stopping accumulating the field numbers, and acquiring second image display data. The second image display data is then converted into a standard VGA signal, DVI signal, HDMI signal, or DP signal by the level conversion chip 203 and displayed on the display through the display output interface module 209. In addition, in the embodiment of the present invention, the image processing apparatus further includes a power interface 206 and a battery 207, wherein the power interface 206 is configured to be connected to an external power source to supply power to the image processing apparatus, and the battery 207 is configured to provide temporary power when the image processing apparatus is in a state where the external power source cannot supply power, so as to ensure that the image processing apparatus maintains a normal operation state.
The apparatus provided in the embodiment of the present invention is used for executing the above method embodiments, and for details of the process and the details, reference is made to the above embodiments, which are not described herein again.
Specifically, the embodiment of the invention provides a display based on the image processing device. The PCB circuit board of the display is provided with an image processing module constructed based on an FPGA chip, an ARM processor, a power conversion circuit, signal input interfaces of VGA, DVI, HDMI and DP, a DDR cache part, a display output interface and a liquid crystal display screen. After the display receives a VESA standard signal with a standard input signal and a normal display image, the display data of the image is cached and processed by a multi-field cache through an image processing module constructed based on an FPGA chip, so that image pixels which cannot be distinguished obviously are displayed in an enhanced mode through the display, and can be distinguished obviously. The display provided by the embodiment of the invention has the advantages of simple operation and capability of obviously distinguishing similar pixels, is used for identifying various single-color blurred image pictures, and is particularly used in blurred image distinguishing occasions of medical pictures. When the display is a monochrome display, the input image is a monochrome image; when the display is a color display, the input image may be a monochrome image or a color image.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 4, the electronic device may include: a Processor (Processor)401, a communication Interface (communication Interface)402, a Memory (Memory)403 and a communication bus 404, wherein the Processor 401, the communication Interface 402 and the Memory 403 complete communication with each other through the communication bus 404. Processor 401 may call logic instructions in memory 403 to perform the following method: acquiring first image display data of an original image; and accumulating the first image display data field by field to obtain second image display data for identifying the original image.
In addition, the logic instructions in the memory 403 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
An embodiment of the present invention discloses a computer program product, which includes a computer program stored on a non-transitory computer readable storage medium, the computer program including program instructions, when the program instructions are executed by a computer, the computer can execute the methods provided by the above method embodiments, for example, the method includes: acquiring first image display data of an original image; and accumulating the first image display data field by field to obtain second image display data for identifying the original image.
An embodiment of the present invention provides a non-transitory computer-readable storage medium storing server instructions, where the server instructions cause a computer to execute the image processing method provided in the foregoing embodiment, and the method includes: acquiring first image display data of an original image; and accumulating the first image display data field by field to obtain second image display data for identifying the original image.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An image processing method, comprising:
acquiring first image display data of an original image;
accumulating the first image display data field by field to obtain second image display data for identifying the original image;
the field-by-field accumulation processing of the first image display data to obtain second image display data for identifying the original image includes:
judging the image type of the original image, if the original image is judged to be a static display image, performing field-by-field accumulation processing on first image display data of the static display image, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the static display image;
and if the original image is judged to be the dynamic unstable image, performing arithmetic mean processing on the first image display data of the dynamic unstable image, performing field-by-field accumulation processing on the first image display data after the arithmetic mean processing, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the dynamic unstable image.
2. The method of claim 1, wherein said obtaining first image display data for an original image comprises:
and processing the original image according to a YUV-RGB mutual conversion formula to obtain the first image display data, wherein the first image display data comprises bit depth information of the original image.
3. An image processing apparatus characterized by comprising:
the signal input interface module is used for acquiring first image display data of an original image;
the image processing module is used for performing field-by-field accumulation processing on the first image display data to acquire second image display data for identifying the original image;
the image processing module is further configured to judge an image type of the original image, perform field-by-field accumulation processing on first image display data of the static display image if the original image is judged to be the static display image, and obtain second image display data of the static display image if the field-by-field accumulation times reach preset times;
and if the original image is judged to be the dynamic unstable image, performing arithmetic mean processing on the first image display data of the dynamic unstable image, performing field-by-field accumulation processing on the first image display data after the arithmetic mean processing, and if the field-by-field accumulation times reach preset times, obtaining second image display data of the dynamic unstable image.
4. The apparatus of claim 3, wherein the image processing module is constructed based on an FPGA chip.
5. The apparatus of claim 4, wherein the signal input interface module comprises a VGA signal input interface, a DVI signal input interface, an HDMI signal input interface, and a DP signal input interface.
6. A display characterized by comprising the image processing apparatus of any one of claims 3 to 5.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 2 are implemented when the computer program is executed by the processor.
8. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 2.
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| KR100834680B1 (en) * | 2006-09-18 | 2008-06-02 | 삼성전자주식회사 | Apparatus and method for improving the quality of video and image output from mobile communication terminal |
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Effective date of registration: 20220831 Address after: Room 703, Floor 7-8, Building 12, Yard 1, Ronghua South Road, Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee after: Dewei Smart Medical Technology (Beijing) Co.,Ltd. Address before: 100176 building 6, yard 12, Kechuang 13th Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING DEWEI WISDOM TECHNOLOGY CO.,LTD. |