JPH0589290A - Hand-written character recognizing device - Google Patents

Abstract

PURPOSE:To change the size of an input frame by operator's preference. CONSTITUTION:When a recognizing part 14 recognizes depression of a switch 12, a control part 17 discriminates the size of a hand-writing input board 11, which is displayed on a display device 10 at present, by information in a storage part 16 and starts a processing part 21 to display a middle-sized input board in the case of the small size but starts a processing part 18 to display a large- sized input board in the case of the middle size. When a recognizing part 15 recognizes the depression of a switch 13, the control part 17 starts a processing part 20 or 22 to change the large-sized or middle-sized input board displayed at present to the middle-sized input board or the small-sized input board. When hand-writing input is performed, the control part 17 discriminates the size of the input board by information in the storage part 16 and starts one of recognition processing parts 19, 21, or 23 corresponding to this size to perform the recognition processing of characters written in the input frame.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handwritten character recognition device.

[0002]

2. Description of the Related Art A conventional handwritten character recognition device comprises a display device for displaying a handwritten input board on a screen and an input pen for writing characters in the handwritten input board.

As shown in FIG. 4, such a handwriting input board 101 has input frames 101a to 10a of a predetermined size.
1e is displayed on the screen of the display device, and each character is written in each of these input frames 101a to 101e by the input pen so that the characters are recognized.

[0004]

Generally, in this type of handwritten character recognition device, it is preferable that the character input operation is as simple as possible.

However, in the above-mentioned conventional handwritten character recognition device, since the sizes of the input frames 101a to 101e are fixed, even an operator who can easily write a large character,
Alternatively, even an operator who can easily write small characters needs to write characters in accordance with the input frame displayed, which makes it difficult for these operators to input.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a handwritten character recognition device capable of changing the size of an input frame in accordance with an operator's preference.

[0007]

In order to achieve the above-mentioned object, the handwritten character recognition device of the present invention has an input frame which has a display screen and which shows an area for inputting one character by handwriting input in the display screen. A display means capable of displaying, an input pen for handwriting input of characters on the display screen, a specifying means for specifying the size of the input frame, and an input frame of the size specified by the specifying means are displayed. It is characterized in that it is provided with a control means for controlling the display means so that it is displayed on the screen, and a recognition means for recognizing a character handwritten by an input pen in the displayed input frame.

[0008]

In the handwritten character recognition device of the present invention, when the size of the input frame is designated by the designating means, the display screen of the display means is controlled by the control means to input the designated size. A frame is displayed. Then, the recognition means recognizes the characters input by handwriting with the input pen in the input frame displayed in this way, so that the operator designates the size of the input frame according to his / her preference by the designation means.
Can be changed.

The action of the present invention will be more apparent from the following examples of the present invention, and other actions of the present invention will be further clarified.

[0010]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 shows a handwritten character recognition device according to an embodiment of the present invention.

In FIG. 1, a display device 10 constituting an example of a display means has a display screen on which a handwriting input board 11 is provided.
Is displayed. In this embodiment, the handwriting input board 11 is
It is displayed so as to include the three input frames 11a to 11c, and the operator operates the input pen 30 to input these input frames 11a to 11c.
Write characters one by one in ~ 11c. Display device 10
Is the size of the handwriting input board 11, and therefore the input frame 1
Switches 12 and 13 are provided which constitute an example of a designating unit for designating / changing the sizes of 1a to 11c.

The "large" switch recognizing unit 14 and the "small" switch recognizing unit 15 recognize that when the switches 12 and 13 are pressed, respectively. The size storage unit 16 is for storing information indicating the size of the handwriting input board currently displayed on the screen.

The large-sized input board display processing unit 18 performs processing for displaying a large-sized handwritten input board on the screen of the display device 10, and the large-sized input board recognition processing unit 19 displays the large-sized handwritten input board. In the state, recognize the characters written in each input box. Medium-sized input board display processing unit 2
0 performs a process for displaying a medium-sized handwriting input board on the screen of the display device 10, and the medium-sized input board recognition processing unit 21 displays the medium-sized handwritten input board.
Recognize the characters written in each input box. The small input board display processing unit 22 performs processing for displaying a small handwriting input board on the screen of the display device 10, and the small input board recognition processing unit 23, in a state where the small handwriting input board is displayed, Recognize the characters written in each input box. The control unit 17 controls each of the above units to display the handwriting input board and recognize the handwritten character by the procedure described below. Thus, in this embodiment, the “large” switch recognition unit 14, the “small” switch recognition unit 15, the size storage unit 16,
Control unit 17, large-sized input board display processing unit 18, medium-sized input board display processing unit 20, and small-sized input board display processing unit 2
2, an example of a control unit is configured, and includes a size storage unit 16, a control unit 17, a large input board recognition processing unit 19,
The medium-sized input board recognition processing unit 21 and the small-sized input board recognition processing unit 23 constitute an example of recognition means.

Next, the operation of this embodiment will be described with reference to the flowchart of FIG. 2 showing the processing procedure of the control unit 17.

In FIG. 2, when the display device 10 is operated, the control unit 17 determines whether or not the switch 12 is pressed based on the recognition result of the switch recognition unit 14 (step S1). If the determination result is YES, the control unit 17 reads the size information from the storage unit 16 and checks whether or not it represents a small input board (step S2). Activates the display processing unit 20 to display the medium-sized handwriting input board on the display device 10
Is displayed on the screen (step S3). On the other hand, if the information read from the storage unit 16 in step S2 does not represent a small input board (NO), then it is checked whether the information represents a medium-sized input board (step S2). S4). As a result, in the case of yes, the display processing unit 18 is activated to display a large handwriting input board as shown in FIG. 3A (step S5). Further, if the information does not represent the medium-sized input board in step S4, it means that the large-sized handwritten input board is already displayed at present, so the control unit 17 does not activate the display processing unit. .. After the above processing, the control unit 17 is in a state of waiting for the next operation.

On the other hand, when the result of the determination in step S1 is NO, the control unit 17 then determines whether or not the switch 13 has been pressed based on the recognition result of the switch recognition unit 15 (step S7). If the determination result is YES, the control unit 17 reads the size information from the storage unit 16 and checks whether or not it represents a large input board (step S8). Activates the display processing unit 20 to display the medium-sized handwriting input board on the display device 1
It is displayed on the screen of 0 (step S9). On the other hand, if the information read from the storage unit 16 in step S7 does not represent a large-sized input board, then it is checked whether or not the information represents a medium-sized input board (step S).
10). As a result, in the case of yes, the display processing unit 22
Is activated to display a small handwriting input board as shown in FIG. 3B (step S11). Further step S
If the information in 10 does not represent a medium-sized input board, it means that a small handwritten input board is already displayed at present, so the control unit 17 does not activate the display processing unit. .. After the above processing, the control unit 17 is in a state of waiting for the next operation.

Next, if the determination result in step S7 is NO, the control unit 17 determines whether or not a handwriting input operation (step S13), and if YES, the control unit 17 stores the data in the storage unit 16. The size information is read and it is checked whether or not it represents a large input board (step S1.
4) In the case of yes, the recognition processing unit 19 is activated to perform recognition processing of the characters written in the input frame of the large handwriting input board (step S15). On the other hand, step S
If the information read from the storage unit 16 in 14 does not represent a large-sized input board (NO), then it is checked whether or not the information represents a medium-sized input board (step S16). As a result, in the case of yes, the recognition processing unit 21 is activated to perform recognition processing of the characters written in the input frame of the medium-sized handwriting input board (step S1).
7). Furthermore, if the information does not represent a medium-sized input board in step S16, it means that a small handwritten input board is currently being displayed. The recognition processing of the character written in the input frame of the handwriting input board is performed (step S18). After the above processing, the control unit 17 is in a state of waiting for the next operation.

If the result of the determination in step S13 is NO, the control section 17 proceeds to execute other processing.

As described above, in the handwritten character recognition device of this embodiment, the size of the input frame is changed according to the operation of the switches 12 and 13 by the operator, and the characters written in the input frame are recognized. It Therefore, the operator can switch to an input frame of a size according to his / her preference and write characters in a size that is easy to write, which is extremely convenient.

In the present embodiment, the size of the handwriting input board 11 and hence the size of the input frames 11a to 11c are three types, but this is an example, and the types can be increased or decreased as necessary. ..

[0021]

As described in detail above, according to the present invention, when the size of the input frame is designated by the designating means, it is designated on the display screen of the display means under the control of the control means. An input frame of a different size is displayed, and the recognizing means recognizes the characters handwritten with the input pen in the displayed input frame. You can specify and change the size.

As a result, according to the present invention, it is possible to realize a handwritten character recognizing device which is easy to input a character and which is extremely easy to operate.

[Brief description of drawings]

FIG. 1 is a block diagram showing a handwritten character recognition device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation of a control unit that constitutes the handwritten character recognition device of FIG.

FIG. 3 is a diagram showing a handwriting input board displayed on a display device of the handwritten character recognition device of FIG.

FIG. 4 is a diagram showing a handwriting input board displayed on a display device of a conventional handwritten character recognition device.

[Explanation of symbols]

 10 display device 11 handwriting input board 11a to 11c input frame 12 "large" switch 13 "small" switch 14 "large" switch recognition unit 15 "small" switch recognition unit 16 size storage unit 17 control unit 18 large-sized input board display processing Part 19 Large Input Board Recognition Processor 20 Medium Input Board Display Processor 21 Medium Input Board Recognition Processor 22 Small Input Board Display Processor 23 Small Input Board Recognition Processor

Claims (1)

[Claims] 1. A display unit having a display screen, capable of displaying an input frame indicating an area for inputting one character by handwriting input in the display screen, and input for handwriting input of a character on the display screen. A pen, a designating unit for designating the size of the input frame, and a control unit for controlling the display unit to display the input frame of the size designated by the designating unit on the display screen; A handwritten character recognition device, comprising: a recognition means for recognizing a character handwritten by the input pen within the displayed input frame.