JPH10240432A - Character recognition device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a character recognition device with which the sizes of input character strings can be constantly put in order. SOLUTION: When the first character is inputted through handwriting using a pen (S110), the size of that character is stored (S140), that character is recognized and converted to a character code (S150) and that character is displayed in the stored size (S160). Afterwards, when it is instructed to put the sizes of characters in order, the sizes of respective characters inputted after a second character are set to the size of first inputted character as a whole and displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character recognition device capable of recognizing and displaying a character by inputting the character by hand using a pen or the like.

[0002]

2. Description of the Related Art Conventionally, an input unit and a display unit are integrated,
When the character image data is input by handwriting using a pen, the character is recognized and the character is displayed at that position in the size of the character. As shown, the size of the characters that were input and recognized varied. Or,
Recognized characters are uniformly input and recognized in a preset size, and are edited or displayed.

[0003]

However, according to the pen input device, it is advantageous that characters can be input directly, that is, intuitively. Inferior. However, if it is recognized as the size of the input, the size will change slightly even if the user intends to input the same size.

The present invention has been made to solve the above-described problem, and the size of a character input as the first character by hand, that is, the user usually wants to make this size. It is an object of the present invention to provide a character recognition device capable of adjusting the size of the second and subsequent characters to the size of the character to be written, or adjusting the size of the entire character string to the average size.

[0005]

In order to achieve this object, a character recognition apparatus according to a first aspect of the present invention comprises input means for inputting characters by handwriting and character input by the input means. Character recognition means for recognizing and converting to a character code, edit storage means for storing and editing the character code recognized by the character recognition means together with the size of the character,
Display means for displaying characters input by the input means and character data edited by the edit storage means at the input size, and in particular, the edit storage means keeps the character size constant. The size of the character string input from the input means is made different based on the instruction to make the character string constant.

Therefore, according to the character recognition device of the present invention, by inputting a character by hand using the input means, the character recognition means recognizes the input character and converts it into a character code. Then, the character code is stored in the editing storage means, and the character is displayed on the display means. Then, when an instruction to make the character size constant is given, the edit storage means makes the different sizes of the character strings input from the input means constant. Therefore, the input character string can be displayed on the display unit with the size thereof being uniform.

[0007] The character recognition device according to claim 2 is
The editing storage means is configured to set the size of each character input after the second character to be the same as the size of the character input first.

Therefore, according to the character recognition device of the present invention, when the second and subsequent characters are input, the edit storage means sets the same size as the character input for the first character. Therefore, the size of the input character string can be displayed on the display unit with a constant size.

Further, in the character recognition device according to the third aspect, the edit storage means is configured to set the size of each input character to an average value of those characters.

Therefore, according to the character recognition device of the present invention, the editing storage means sets the size of each input character to the average value of those characters, so that the size of the input character string is fixed. Can be displayed on the display means.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a character recognition device according to the present invention will be described below with reference to the drawings.

FIG. 1 shows a configuration diagram of a character recognition device according to the present embodiment.

An input means 10 comprising a tablet and a keyboard attached thereto is connected to a character recognition means 20 and an edit storage means 30. And the input means 1
When the character image data is input by handwriting using a pen, the range 0 is set and recognized as the input area 11. This can be set in any area of the tablet, as shown in the schematic diagram of FIG.
That is, the range where the character image data is input with the pen is the input area 11.

The character recognizing means 20 comprises the input means 1
Character data to which 0 is input is received as image data, and the character is recognized and converted into a character code.

The editing storage means 30 is provided with the input means 1
At 0, the input data, instructions, or character code strings recognized and converted by the character recognition means 20 are stored and edited. The edit storage means 30 includes an input counter 31 indicating an input state, a character size storage area 32 for storing a horizontal (X) size and a vertical (Y) size of the input character, and a character size. The storage area 33 is secured. It is assumed that the storage area of each character size also has an area number of the maximum number N of characters input to this apparatus (n = 1-N). The input counter 31 indicates the number of the input character.

The display means 40 displays the characters and data edited by the edit storage means 40 or the results of other instructions input from the input means 10.

The input means 10 and the display means 40 are usually realized as an integrated liquid crystal tablet. In this embodiment, the input unit 10 and the display unit 40
Is configured as an integrated liquid crystal tablet. In FIG. 1, the input unit 10 and the display unit 40 are separately illustrated for convenience.

The operation of this embodiment of the character recognition apparatus having the above-described configuration will be described below with reference to the flowcharts of FIGS.

First, when the operation of the apparatus is started by turning on the power or the like, initial settings are made (step 100, hereinafter abbreviated as S100; the same applies hereinafter). Here, the input counter 31 of the edit storage unit is set to “1”, and the character size storage area 32 (i) (i = 1 to N) and the character size storage area 3
3 (i) (i = 1 to N) is also set to the initial value “0”.

Next, character image data is input by the pen (S110), and this is continued until a recognition instruction is given (S120, No). When an instruction for character recognition is given (S120, Yes), a circumscribed rectangle of the character in the input area 11 of the character image data input to the input means 11 is set (S130). Then, the horizontal (X) size of the rectangle is set to the character size X (n) (the n-th area of the character size X), and the vertical (Y) size is set to the character size Y.
(N) (n-th area of character size Y) (S140).

Next, the character image data in the input area 11 is sent to the character recognizing means 20, the character is recognized, converted into a character code (S150), and stored in the editing storage means 30. The horizontal (X) size is the character size X (n) 3
2 and the vertical (Y) size is the input position (display means 4) using a font of the size stored in the character size storage area.
0) is displayed (S160). Then, the input counter is incremented by 1 (S170). If the value of the input counter exceeds the maximum number N of characters that can be input (S180, Yes), some warning processing is performed (S190). If the input counter is equal to or less than the maximum number of characters (S180, No), or after the warning process, it is determined whether or not there is a character alignment instruction from the input unit 11 (S200).
No) The process returns to the character image input process S110.

If there is an instruction (S200, Yes), FIG.
, The work counter i is set to 1 (S21).
0), the horizontal (X) and vertical (Y) sizes of the input character are set to the first character size X (1) and the character size Y
(1), and the data is displayed with the left justification (S220). And
The work counter i is incremented by 1 (S230), and unless it exceeds the input character (S240, No), S220
Return to and continue this process. If the number of characters has been input (S2040, Yes), it is determined whether or not to end (S250).
s), the above series of processing ends, and if not, (S
250, No), and returns to character image input S110 again.

Next, a specific input example will be described.

In FIG. 3, first, as the first character,
It is assumed that the character "A" is input with a pen (S110).
When the character recognition is instructed by the input means 10 (S12
0, Yes), and set a circumscribed rectangle of the character “A” (S
130), the size is 18 for both vertical (Y) and horizontal (X).
Points (JIS character size, 1 point = 1/2.
5 inches), this value is the character size X
(1) and the character size Y (1) are stored (S14).
0). Then, the character image data is subjected to character recognition (S
150), and displayed in a size of 18 points (S16)
0).

If the number of input characters does not exceed the maximum number of characters (S180, No), then, as shown in FIG.
The character "i" is slightly smaller, and is input in a size of 17 points in both vertical (Y) and horizontal (X) (S200, N
o, S110), when an instruction for character recognition is issued (S12).
0, Yes), and set a circumscribed rectangle of the character "i" (S
130), the size is 17 points for both the vertical (Y) and horizontal (X) sizes, and this value is stored in the character size X (2) and the character size Y (2) (S140). And
This character image data is subjected to character recognition (S150), and 17
It is displayed in the size of a point (S160).

Similarly, if the number of input characters does not exceed the maximum number of characters (S180, No), as shown in FIG.
The character "U" is slightly larger in both vertical (Y) and horizontal (X) and is input in a size of 19 points (S200, N
o, S110), when an instruction for character recognition is issued (S12).
0, Yes), and set a circumscribed rectangle of the character “U” (S
130), the size is 19 points for both the vertical (Y) and horizontal (X) sizes, and this value is stored in the character size X (3) and the character size Y (3) (S140). And
The character image data is subjected to character recognition (S150), and 19
It is displayed in the size of a point (S160).

Thereafter, if there is an instruction to make the character size uniform by the input means 11 (S200, Yes), the work counter is set to "1" (S210), and the character size of "A" is set to 18 points (S220). Since the work counter becomes +1 and becomes 2 (S230) and is not larger than 3 (S240, No), the character size of the second character "i" is set to 18 points (S220) and the work counter is set to +1.
Is 3 (S230), and is not larger than 3 (S230).
240, No) The character size of the third character "U" is 18
Points are set (S220). Then, the work counter is incremented to 4 by +1 (S230), and is larger than 3 (S240, Yes), and the character alignment processing ends. Then, these characters are displayed in a fixed size as shown in FIG.

In this embodiment, the size of the second and subsequent characters is adjusted to the size of the first character. However, the average value of the size of each character input in S220 in the flowchart of FIG. 6 is calculated. The size of each character may be set to be uniform according to the size of the average value. In this case,
It will function as the edit storage means of the present invention.

[0029]

As is apparent from the above description, according to the character recognition device of the first aspect of the present invention, even if the sizes of the characters input by handwriting are different from each other, each character can be recognized. The characters can be displayed in the same size, and a character string having a certain size can be input, and finally, a good-looking input result can be obtained.

According to the character recognition device of the second aspect, the size of each character input after the second character can be set to be the same as the size of the character input first. Therefore, the size of the input character string can be displayed in a uniform manner.

Further, according to the character recognition device of the third aspect, the edit storage means can set the size of each input character to the average value of those characters. Character strings can be displayed in a uniform size.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a basic configuration of an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating an example of an input area of an input unit.

FIG. 3 is a diagram illustrating a display example of a liquid crystal tablet.

FIG. 4 is a diagram illustrating a display example of a liquid crystal tablet.

FIG. 5 is a flowchart showing a series of operations for character recognition.

FIG. 6 is a flowchart showing a series of operations for character recognition.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Input means 11 Input area 20 Character recognition means 30 Editing storage means 31 Input counter 32 Character size storage area 33 Character size storage area 40 Display means

Claims (3)

[Claims] 1. An input unit for inputting a character by handwriting, a character recognition unit for recognizing a character input by the input unit and converting the character code into a character code, and converting the character code recognized by the character recognition unit into the character. A character recognition device comprising: an edit storage unit that stores and edits together with the size of the character; and a display unit that displays the character input by the input unit and the character data edited by the edit storage unit at the input size. A character recognition device, wherein the edit storage means is configured to make different sizes of a character string input from the input means constant based on an instruction to make the character size constant. 2. The apparatus according to claim 1, wherein the edit storage unit sets the size of each character input after the second character to be the same as the size of the character input to the first character. Character recognition device. 3. The character recognition apparatus according to claim 1, wherein the edit storage unit sets the size of each input character to an average value of those characters.