JP2001167228A - Device and method for handwriting input and program recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display a stroke and a segment so as to easily discriminate them while keeping the relative positions of respective strokes at the time of writing. SOLUTION: Based on stroke information stored in a stroke storage means 4 and segment information stored in a segment storage means 6, a stroke/ segment display control means 7 successively assigns display colors in a segment display color table to respective segments in the case of displaying the segments on a display means 3 and displays all the strokes, which compose of each of segments, in these assigned display colors. Thuds, by changing the display color for each segment, the stroke and the segment are displayed so as to easily to discriminate them. In this case, since display is performed based on the stroke information and segment information, the stroke and the segment can be displayed while keeping the relative positions of respective strokes at the time of writing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a handwriting input device and a handwriting input method for inputting characters and figures by handwriting.

[0002]

2. Description of the Related Art There is a so-called online input device capable of writing / inputting a character string, a graphic, or the like at a free position in a predetermined area on an input device, such as writing a character or a graphic on a paper surface with a writing instrument or the like. In many of the online input devices, an input handwritten stroke is cut into segments according to a predetermined rule based on time information at the time of input, writing position information, and the like. At this time, in order to distinguish each segment, a rectangle surrounding all the strokes constituting each segment is displayed so as to be superimposed on the handwritten stroke.

[0003] In recent years, an online character recognition technology has been developed which enables writing of a plurality of characters without providing an input frame for each character. In this technique, a handwritten stroke input by an operator by handwriting is cut out as segments in character units, and each cutout segment is recognized as a character. In this case, there are the following methods for displaying the cut-out segments so that they can be easily identified.

In Japanese Patent Application Laid-Open No. 6-162269, a rectangle surrounding a cut-out segment is displayed by superimposing it on a handwritten stroke while maintaining the relative position at the time of input, similarly to the above method. Further, Japanese Patent Application Laid-Open No. 8-339
In Japanese Patent Publication No. 415, input strokes are displayed in such a manner that the cutout segments are arranged with a space therebetween.

[0005]

However, the above-described conventional online character recognition apparatus for displaying each segment cut out from a stroke input by handwriting has the following problems.

First, as disclosed in JP-A-6-162269, when a rectangle surrounding a cut-out segment is displayed by superimposing it on a handwritten stroke while maintaining a relative position at the time of input. However, as shown in FIG. 7, when a plurality of characters and segments are involved, the rectangles of the segments intersect with each other, making it difficult to determine. In addition, there is also a problem that the handwriting stroke is difficult to visually recognize due to the existence of the rectangle.

Further, as disclosed in Japanese Patent Application Laid-Open No. 8-339415, when input strokes are displayed in such a manner that the cutout segments are arranged with a space between them,
Although the above-described problem does not occur, there is a problem that the displayed stroke differs from the image at the time of writing.

It is an object of the present invention to provide a handwriting input device and a handwriting input method for displaying strokes and segments so that the strokes and segments can be easily distinguished while maintaining the relative positions of the strokes during writing.

[0009]

According to a first aspect of the present invention, there is provided a handwriting input device for inputting a stroke by handwriting, and cutting out the plurality of input handwritten strokes into segments. It is characterized by comprising segment extraction means and stroke display control means for displaying the handwritten strokes constituting each of the extracted segments on the display means in different colors for each segment.

According to the above arrangement, the handwritten strokes constituting each segment are displayed in different colors for each segment. Therefore, each segment can be easily identified by the color of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

The handwriting input device according to the first aspect of the present invention may further include a recognition unit that recognizes the cut-out segment as a character or a graphic, and a recognition result display control unit that displays a recognition result by the recognition unit. desirable.

According to the above arrangement, each segment displayed in a different color is recognized as a character or a figure.
The recognition result is displayed on the display means.

According to a second aspect of the present invention, there is provided a handwriting input device for inputting strokes by handwriting, segment extracting means for extracting the plurality of input handwritten strokes into segments, and Stroke display control means for displaying the handwritten strokes constituting the segment on the display means such that the display state of the first stroke of each segment is different from the display state of the strokes other than the first stroke.

According to the above arrangement, the handwritten strokes constituting each segment are displayed such that the display state of the first stroke is different from the strokes other than the first stroke.
Therefore, each segment can be easily determined based on the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

Further, the handwriting input device according to the second aspect of the present invention is a recognition means for recognizing the cut-out segment as a character or a figure, and a recognition result display control means for displaying a recognition result by the recognition means on the display means. It is desirable to provide.

According to the above arrangement, each segment is recognized as a character or a figure, and the recognition result is displayed on the display means.

In the handwriting input device according to the second aspect of the present invention, it is desirable that the display state of the stroke be a display color.

According to the above arrangement, the display color of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined by the display color of the handwritten stroke.

In the handwriting input device according to the second aspect of the present invention, it is desirable that the display state of the stroke be a stroke width.

According to the above arrangement, the width of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display width of the handwritten stroke.

In the handwriting input device according to the second aspect of the present invention, it is desirable that the display state of the stroke is blinking of the display stroke.

According to the above arrangement, either the leading stroke or the stroke other than the leading stroke is displayed blinking. Therefore, each segment can be easily identified by the blinking of the handwritten stroke.

In the handwriting input device according to the second aspect of the present invention, it is desirable that the display state of the stroke be a predetermined mark at a starting point of the head stroke.

According to the above arrangement, the first stroke of each segment is displayed with the predetermined mark at the start point. Therefore, each segment can be easily determined by the handwritten stroke displayed with the predetermined mark.

Further, in the handwriting input method according to a third aspect of the present invention, the input step of inputting a stroke by handwriting, the segment extracting step of cutting out the plurality of input handwritten strokes into segments, And a stroke display step of displaying the handwritten strokes in different colors for each segment.

According to the above arrangement, the handwritten strokes constituting each segment are displayed in different colors for each segment. Therefore, each segment can be easily identified by the color of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

[0027] The handwriting input method according to the third invention desirably includes a recognition step of recognizing the cut-out segment as a character or a figure, and a recognition result display step of displaying the recognition result.

According to the above arrangement, each segment displayed in a different color is recognized as a character or a figure.
The recognition result is displayed on the display means.

Further, in the handwriting input method according to a fourth aspect of the present invention, there is provided an input step of inputting a stroke by handwriting, a segment extracting step of cutting the input plurality of handwritten strokes into segments, and each of the cut segments. Is displayed, so that the display state of the first stroke of each segment is different from the display state of the strokes other than the first stroke.

According to the above configuration, the handwritten strokes constituting each segment are displayed such that the display state of the first stroke is different from the strokes other than the first stroke.
Therefore, each segment can be easily determined based on the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

Preferably, the handwriting input method according to the fourth aspect of the present invention includes a recognition step of recognizing the cut-out segment as a character or a figure, and a recognition result display step of displaying the recognition result.

According to the above arrangement, each segment is recognized as a character or a figure, and the recognition result is displayed on the display means.

In the handwriting input method according to the fourth invention, it is desirable that the display state of the stroke is a display color.

According to the above arrangement, the display color of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined by the display color of the handwritten stroke.

In the handwriting input method according to the fourth invention, it is preferable that the display state of the stroke is a stroke width.

According to the above arrangement, the width of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display width of the handwritten stroke.

[0037] In the handwriting input method according to the fourth aspect of the present invention, it is desirable that the display state of the stroke is blinking of the displayed stroke.

According to the above arrangement, either the leading stroke or the stroke other than the leading stroke is displayed blinking. Therefore, each segment can be easily identified by the blinking of the handwritten stroke.

In the handwriting input method according to the fourth aspect of the present invention, it is desirable that the display state of the stroke be a predetermined mark at a start point of the head stroke.

According to the above arrangement, the head stroke of each segment is displayed with a predetermined mark at the start point. Therefore, each segment can be easily determined by the handwritten stroke displayed with the predetermined mark.

According to a fifth aspect of the present invention, there is provided a program recording medium, comprising: a computer for segmenting a plurality of handwritten strokes input from an input unit into segments; and a handwriting constituting each of the segmented segments. A handwriting input processing program for functioning as a stroke display control means for displaying a stroke on a display means in a different color for each segment is recorded.

According to the above arrangement, the handwritten strokes constituting each segment are displayed in different colors for each segment. Therefore, each segment can be easily identified by color. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

According to a sixth aspect of the present invention, there is provided a program recording medium, comprising: a computer for segmenting a plurality of handwritten strokes input from an input unit into segments; and a handwriting forming each of the segments. A handwriting input processing program for functioning as a stroke display control means for displaying strokes on a display means such that a display state of a first stroke of each segment is different from a display state of a stroke other than the first stroke is recorded. .

According to the above configuration, the handwritten strokes constituting each segment are displayed such that the display state of the first stroke is different from the strokes other than the first stroke.
Therefore, each segment can be easily determined based on the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each handwritten stroke is displayed with good visibility.

[0045]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. <First Embodiment> FIG. 1 is a block diagram showing a functional configuration of a handwritten character / graphic input device according to the present embodiment. In FIG. 1, an input unit 1 is constituted by a tablet or the like, and a position on the input unit 1 is designated by a pen 2.
The display means 3 is composed of a liquid crystal display panel or the like, and displays input handwritten strokes, cut-out segments, character recognition results, and the like.

The stroke storage means 4 stores information on handwritten strokes input by handwriting from the input means 1 with the pen 2, and sends the stored stroke information to the segment extracting means 5. The segment extracting means 5 extracts a handwritten stroke into segments according to a predetermined rule. Then, information on the cut-out segment is stored by the segment storage unit 6. Thus, based on the stroke information stored in the stroke storage means 4 and the segment information stored in the segment storage means 6, the stroke / segment display control means 7
The handwritten strokes and segments are displayed on the display means 3 under the control of.

The recognition unit 8 recognizes a character or a figure based on the stroke information stored in the stroke storage unit 4 and the segment information stored in the segment storage unit 6. Then, the recognized recognition candidates are stored in the recognition candidate storage unit 9. The recognition candidates stored in the recognition candidate storage means 9 are displayed on the display means 3 under the control of the recognition candidate display control means 10.

In the above configuration, the input means 1
And the display means 3 are provided separately, but may be a display integrated input means such as a display integrated tablet in which a transparent tablet is laminated on a display panel such as a liquid crystal display panel. When character / graphic recognition based on an input handwritten stroke is not performed, the recognition unit 8, the recognition candidate storage unit 9, and the recognition candidate display control unit 10 may be omitted.

FIG. 2 is a block diagram showing a specific configuration for realizing the handwritten character / graphic input function shown in FIG. The handwritten character / graphic input device has a CPU (central processing unit) 11, which centrally controls and manages the following units,
A program memory 12 for storing various programs including a program for executing various processes described below;
Reference numeral 11 denotes a data memory 13 for storing various information when executing a stroke storage process, a segment storage process, a recognition candidate storage process, or the like based on a program stored in a program memory 12, an input means 1 and a pen 2 in FIG. 1, a display device 15 corresponding to the display means 3 in FIG. 1, a communication I / F (interface) 16, a FD (flexible disk) and a CD for connecting to a communication network 17 such as an external Internet. -An external storage medium 19 such as a ROM (compact disk-read only memory) is set and the CPU 1
1 comprises an external storage medium driver 18 for making the external storage medium 19 accessible.

The handwritten character / graphic input device having the functional blocks shown in FIG. 1 operates as follows. First, an operator uses a pen 2 to hand-write a character or a figure into the input means 1 by handwriting. The input stroke information of the character or figure is sent to and stored in the stroke storage means 4 and sent to the segment extracting means 5 at a predetermined timing. Although this timing is not particularly limited, a time when a timer for measuring the time after the handwriting stroke is written up, a time when a predetermined number of handwriting strokes are input, a time when the input handwriting stroke satisfies predetermined conditions, a time when an operator instructs And so on.
When the handwritten stroke is sent to the segment extracting means 5, the segment extracting means 5 extracts the received handwritten stroke into segments according to a predetermined rule. The cutout rule at this time is not particularly limited, but the input time, input speed, input position, size, relationship with other handwritten strokes of each handwritten stroke, the position, size, aspect ratio, other The relationship with the segment can be considered. The segment information thus cut out is stored by the segment storage means 6.

The handwritten strokes stored in the stroke storage means 4 and the segment information stored in the segment storage means 6 are stored in the stroke memory at a predetermined timing.
It is displayed on the display means 3 by the segment display control means 7. Although the display timing at that time is not particularly limited, real time matching handwriting input can be considered for handwritten strokes. When segment information is also displayed, the segment extracting means 5
Immediately after the end of the clipping process, after a lapse of a predetermined time by a timer, every time a predetermined number of segments are cut, when the segments satisfy a predetermined condition, or when an operator instructs.

Hereinafter, the display of handwritten strokes and segments on the display means 3 by the stroke / segment display control means 7 will be described in more detail. The stroke / segment display control means 7 has a segment display color table 21 having M entries as illustrated in FIG. 3, and as shown in FIG. Display colors in the segment display color table 21 are sequentially assigned to the segments.
And the last display color of the segment display color table 21
If the assignment has been made up to (green), the assignment is returned to the first display color (red) as in the case of the segment N in FIG. In this way, as shown in FIG. 5, all the strokes constituting each segment are displayed on the display means 3 in the display colors assigned.

The following operation is not necessary in the case of a configuration without the recognition means 8, the recognition candidate storage means 9 and the recognition candidate display control means 10. The handwritten stroke stored in the stroke storage unit 4 and the segment information stored in the segment storage unit 6 are sent to the recognition unit 8 at a predetermined timing. Although there is no particular limitation on the transmission timing, immediately after the end of the segmenting process in the segment segmenting means 5, after a lapse of a predetermined time by a timer, every time a predetermined number of segments are cut, when a segment satisfies a predetermined condition, when an operator instructs Timing is conceivable.

The recognition means 8 recognizes a combination of handwritten strokes included in a segment as a character or a figure based on the received handwritten strokes and segment information, and generates recognition candidates. Then, the generated recognition candidates are stored by the recognition candidate storage unit 9.

The recognition candidates stored in the recognition candidate storage means 9 are displayed on the display means 3 by the recognition candidate display control means 10 at a predetermined timing. The timing is not particularly limited, but may be immediately after the end of the recognition process by the recognizing means 8 or at the time pointed by the operator.

As described above, in the present embodiment,
The stroke / segment display control means 7 has a segment display color table 21. When displaying segments on the display unit 3, the stroke / segment display control unit 7 sequentially assigns display colors in the segment display color table 21 to each segment obtained from the segment storage unit 6, All handwritten strokes constituting each segment are displayed in the assigned display colors.

Therefore, the display color is changed for each of the cut-out segments, and the handwriting stroke and the segment can be easily distinguished. That is, according to the present embodiment, each segment can be easily identified even when a plurality of characters and segments are involved. Therefore, it is not necessary to surround each segment with a rectangle, and the visibility of the handwritten stroke does not deteriorate.
Furthermore, since the display is performed based on the stroke information of the stroke storage means 4 and the segment information of the segment storage means 5, the handwritten strokes constituting each segment are displayed in the image at the time of writing while maintaining the relative positions of the strokes at the time of writing. You can.

<Second Embodiment> A functional block diagram and a configuration block diagram of a handwritten character / graphic input device according to the present embodiment are shown in FIGS. 1 and 2 in the first embodiment.
The description is omitted here. The processing other than the display processing by the stroke / segment display means 7 on the display means 3 is the same as that of the first embodiment, and therefore the description is omitted.

FIG. 6 shows four types of display examples (FIG. 6 (a)) by the stroke / segment display means 7 in this embodiment.
6 to 6 (d)). Hereinafter, display processing by the stroke segment display means 7 in each display example will be described with reference to FIGS.

In the display example shown in FIG. 6A, the stroke / segment display control means 7 acquires the stroke information from the stroke storage means 4 and the segment information from the segment storage means 6, and forms each segment. Only the first handwritten stroke in the handwritten stroke is displayed in a different display color from the other handwritten strokes.

In the display example shown in FIG. 6B, the stroke / segment display control means 7 acquires the stroke information from the stroke storage means 4 and the segment information from the segment storage means 6 and forms each segment. Only the first handwritten stroke in the handwritten stroke is displayed as a line thicker than the other handwritten strokes. In this case, the same applies even if only the first handwritten stroke is made thinner than the other handwritten strokes.

In the display example shown in FIG. 6C, the stroke / segment display control means 7 acquires the stroke information from the stroke storage means 4 and the segment information from the segment storage means 6 and forms each segment. Only the first handwritten stroke in the handwritten stroke is displayed blinking. In this case, all handwritten strokes other than the first handwritten stroke may be blinked.

In the display example shown in FIG. 6D, the stroke / segment display control means 7 acquires the stroke information from the stroke storage means 4 and the segment information from the segment storage means 6, and forms each segment. The start point of the first handwritten stroke in the handwritten stroke is displayed with a white circle mark added thereto. still,
In this case, a predetermined mark other than the white circle may be used. However, it is desirable that the visibility of handwritten strokes is not hindered.

As described above, in the present embodiment,
When displaying the segments by the stroke / segment display control means 7, the display color of the first handwritten stroke constituting each segment is changed (FIG. 6A), and the thickness of the display line is changed. It is changed (FIG. 6 (b)), blinks (FIG. 6 (c)), or a predetermined mark is added to the starting point (FIG. 6 (d)). In this way, by making the display state of the first stroke of each segment different from that of the other strokes, the first stroke can be easily determined, and each segment can be easily determined. Therefore, there is no need to display a rectangle surrounding each segment in order to identify each segment, and the visibility of handwritten strokes is excellent.

In the present embodiment, in order to enhance the above-described effects, the above-described four types of display methods may be combined. Further, the display methods of the first embodiment may be combined.

Here, the stroke segment display control means 7 in the first and second embodiments is described.
The handwriting input function including the function of displaying the handwritten strokes and the segments is realized by the program stored in the program memory 12 in FIG.

The program memory 12 is a computer-readable program recording medium, and is a program medium composed of a ROM. Alternatively, the external storage medium 19 may be a program medium that is mounted on and read from the external storage medium driver 18. In any case, the program reading means for reading the handwriting input processing program from the program medium may have a configuration of directly accessing and reading the program medium, or may be a RAM (random access memory). A configuration may be adopted in which the program is downloaded to a provided program storage area (not shown), and the program storage area is accessed and read. It is assumed that a download program for downloading from the program medium to the program storage area in the RAM is stored in the main device in advance.

Here, the above-mentioned program medium is configured so as to be separable from the main body side, such as a tape system such as a magnetic tape or a cassette tape, a magnetic disk such as an FD or a hard disk, a CD-ROM, an MO (magneto-optical) disk, Disk system of optical disks such as MD (mini disk) and DVD (digital video disk), card system such as IC (integrated circuit) card and optical card, mask ROM, EPROM (ultraviolet erasable ROM), EEPROM (electrically erasable type) ROM, a flash ROM, and the like, and a medium that fixedly carries a program, including a semiconductor memory system.

The handwritten character / graphic input device in each of the above embodiments has a communication I / F 16 and can be connected to a communication network 17 including the Internet. Therefore, the above-mentioned program medium may be a medium that carries the program fluidly by downloading from a communication network or the like.
In this case, it is assumed that a download program for downloading from the communication network 17 is stored in the main device in advance. Alternatively, it shall be installed from another recording medium.

It should be noted that what is recorded on the recording medium is not limited to only a program, but data can also be recorded. Needless to say, the present invention is not limited to the above embodiment.

[0071]

As is clear from the above, in the handwriting input device of the first invention, the handwritten strokes constituting each segment cut out by the segment cutout means are different for each segment by the stroke display control means. Since the segments are displayed in color, each segment can be easily identified by the color of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

At this time, the strokes constituting each segment are displayed by the input handwritten strokes. Therefore, it is possible to display with the image at the time of writing while maintaining the relative position of each stroke at the time of writing.

The handwriting input device according to the first aspect of the present invention may include a recognition unit that recognizes the cut-out segment as a character or a figure, and a recognition result display control unit that displays a recognition result by the recognition unit. Each segment displayed in a different color can be recognized as a character or a figure, and the recognition result can be displayed on the display means.

At this time, the characters and figures input by handwriting can be easily identified by the colors of the handwritten strokes. Therefore, even if a plurality of input characters and figures are involved, it is easy to identify.

Further, in the handwriting input device according to the second invention, the handwritten strokes constituting each segment cut out by the segment cutout means are displayed by the stroke display control means so that the display state of the first stroke of each segment is other than the head. Is displayed in a manner different from that of the stroke, the respective segments can be easily determined based on the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

At this time, the strokes constituting each segment are displayed by the input handwritten strokes. Therefore, it is possible to display with the image at the time of writing while maintaining the relative position of each stroke at the time of writing.

The handwriting input device according to the second aspect of the present invention may include a recognition unit that recognizes the cut-out segment as a character or a figure, and a recognition result display control unit that displays a recognition result by the recognition unit. Each segment can be recognized as a character or a figure, and the recognition result can be displayed on the display means.

At this time, the characters and figures input by handwriting can be easily determined based on the display state of the handwritten strokes. Therefore, even if a plurality of input characters and figures are involved, it is easy to determine.

In the handwriting input device according to the second aspect of the invention, if the display state of the stroke is set as the display color, the display color of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display color of the handwritten stroke.

Further, in the handwriting input device according to the second aspect of the invention, if the display state of the stroke is the stroke width, the stroke is displayed so that the width of the first stroke is different from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display width of the handwritten stroke.

In the handwriting input device according to the second invention, if the display state of the stroke is blinking of the display stroke, either the leading stroke or the stroke other than the leading stroke is blinked and displayed. Therefore, each segment can be easily identified by the blinking of the handwritten stroke.

Further, in the handwriting input device according to the second aspect of the present invention, if the display state of the stroke is to be a predetermined mark at the start point of the head stroke, the head stroke of each segment is set to the predetermined mark at the start point. Is displayed with. Therefore, each segment can be easily identified by the predetermined mark.

In the handwriting input method according to the third invention, a plurality of input handwritten strokes are cut into segments, and the handwritten strokes constituting each segment are displayed in a different color for each segment. Can be easily determined by the color of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

Further, in the handwriting input method according to the third aspect of the present invention, the cut-out segment is recognized as a character or a figure, and if this recognition result is displayed, each segment displayed in a different color is converted into a character or a figure. Upon recognition, the recognition result can be displayed on the display means.

At this time, the characters and figures inputted by handwriting can be easily identified by the colors of the handwritten strokes. Therefore, even when a plurality of input characters and figures are involved, it is easy to identify.

Further, in the handwriting input method according to the fourth invention, a plurality of input handwritten strokes are cut out into segments, and the handwritten strokes constituting each segment are converted into segments.
Since the display state of the first stroke of each segment is displayed differently from the strokes other than the first stroke, each segment can be easily determined based on the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

Further, in the handwriting input method according to the fourth aspect of the invention, the cut-out segment is recognized as a character or a figure, and if this recognition result is displayed, each segment is recognized as a character or a figure and the recognition is performed. The result can be displayed on the display means.

At this time, the characters or figures input by handwriting can be easily determined by the display state of the handwritten strokes. Therefore, even when a plurality of input characters or figures are involved, it is easy to determine.

In the handwriting input method according to the fourth aspect of the invention, if the display state of the stroke is set as the display color, the display color of the first stroke is displayed differently from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display color of the handwritten stroke.

In the handwriting input method according to the fourth aspect of the present invention, if the display state of the stroke is the stroke width, the stroke is displayed such that the width of the first stroke is different from the strokes other than the first stroke. Therefore, each segment can be easily determined based on the display width of the handwritten stroke.

In the handwriting input method according to the fourth aspect of the invention, if the display state of the stroke is blinking of the display stroke, either the leading stroke or the stroke other than the leading stroke is blinked and displayed. Therefore, each segment can be easily identified by the blinking of the handwritten stroke.

Further, in the handwriting input method according to the fourth aspect of the present invention, if the display state of the stroke is set to a predetermined mark at the start point of the head stroke, the head stroke of each segment is set to the predetermined mark at the start point. Is displayed with. Therefore, each segment can be easily identified by the predetermined mark.

Further, since the program recording medium of the fifth invention records a handwriting input processing program for causing a computer to function as the segment extracting means and the stroke display control means of the first invention,
Each segment can be easily identified by the color of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

Further, the program recording medium of the sixth invention stores a handwriting input processing program for causing a computer to function as the segment extracting means and the stroke display control means of the second invention.
Each segment can be easily determined by the display state of the handwritten stroke. Therefore, it is not necessary to surround each segment with a rectangle, and each stroke can be displayed with good visibility.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a handwritten character / graphic input device according to the present invention.

FIG. 2 is a block diagram showing a specific configuration for realizing the handwriting input function shown in FIG.

FIG. 3 is a diagram showing an example of a segment display color table provided in a stroke / segment display control unit in FIG. 1;

FIG. 4 is a diagram illustrating an example of assignment of display colors to each segment by a stroke / segment display control unit.

FIG. 5 is a diagram showing a display example of each segment by a stroke / segment display control means.

FIG. 6 is a diagram showing four types of display examples different from FIG. 5;

FIG. 7 is a diagram showing a display example of characters and segments by a conventional online character recognition device.

[Explanation of symbols]

1 input means, 2 pen, 3 display means,
4 ... Stroke storage means, 5 ... Segment extraction means, 6 ... Segment storage means, 7
... Stroke / segment display control means, 8 ... Recognition means, 9 ... Recognition candidate storage means, 1
0: recognition candidate display control means, 11: CPU, 1
2: Program memory, 13: Data memory, 14: Input device, 15: Display device, 16: Communication I / F, 17: Communication network, 18: External storage medium driver,
19: external storage medium, 21: segment display color table.

Claims (18)

[Claims] 1. An input unit for inputting a stroke by handwriting, a segment extracting unit for cutting out the plurality of input handwritten strokes into segments, and a handwriting stroke constituting each of the cut-out segments. A handwriting input device comprising a stroke display control means for displaying on a display means a different color for each. 2. The handwriting input device according to claim 1, wherein a recognition unit that recognizes the cut-out segment as a character or a graphic, and a recognition result display control unit that displays a recognition result by the recognition unit on the display unit. A handwriting input device comprising: 3. An input unit for inputting a stroke by handwriting, a segment extracting unit for cutting out the plurality of input handwritten strokes into segments, and a handwriting stroke constituting each of the cut-out segments. To make the display state of the first stroke of the segment different from the display state of strokes other than the first,
A handwriting input device comprising a stroke display control means for displaying on a display means. 4. The handwriting input device according to claim 3, wherein a recognition unit that recognizes the cut-out segment as a character or a figure, and a recognition result display control unit that displays a recognition result by the recognition unit on the display unit. A handwriting input device comprising: 5. The handwriting input device according to claim 3, wherein the display state of the stroke is a display color. 6. The handwriting input device according to claim 3, wherein the display state of the stroke is a width of the stroke. 7. The handwriting input device according to claim 3, wherein the display state of the stroke is blinking of the displayed stroke. 8. The handwriting input device according to claim 3, wherein the display state of the stroke is to put a predetermined mark at a start point of the head stroke. 9. An input step of inputting a stroke by handwriting, a segment extracting step of cutting out the plurality of input handwritten strokes into segments, and a handwriting stroke constituting each of the cut-out segments, A handwriting input method, comprising a stroke display step of displaying in different colors. 10. The handwriting input method according to claim 9, further comprising: a recognition step of recognizing the cut-out segment as a character or a figure; and a recognition result display step of displaying the recognition result on the display unit. A handwriting input method characterized by the following. 11. An inputting step of inputting a stroke by handwriting, a segment extracting step of cutting out the plurality of input handwritten strokes into segments, and a handwriting stroke constituting each of the cutout segments, A handwriting input method comprising a stroke display step of displaying a display state of a first stroke different from a display state of a stroke other than the first stroke. 12. The handwriting input method according to claim 11, further comprising: a recognition step of recognizing the cut-out segment as a character or a figure; and a recognition result display step of displaying the recognition result on the display unit. A handwriting input method characterized by the following. 13. The handwriting input method according to claim 11, wherein the display state of the stroke is a display color. 14. The handwriting input method according to claim 11, wherein the display state of the stroke is a width of the stroke. 15. The handwriting input method according to claim 11, wherein the display state of the stroke is blinking of the displayed stroke. 16. The handwriting input method according to claim 11, wherein the display state of the stroke is to put a predetermined mark at a start point of the head stroke. 17. A computer, comprising: segment extracting means for cutting a plurality of handwritten strokes input from an input means into segments; displaying means for displaying the handwritten strokes constituting each of the cut segments in different colors for each segment A computer-readable program recording medium, on which a handwriting input processing program for functioning as a stroke display control means to be displayed is recorded. 18. A computer, comprising: a segment extracting means for cutting a plurality of handwritten strokes inputted from an input means into segments; and a display state of a leading stroke of each of the segmented handwritten strokes. Is different from the display state of strokes other than the top,
A computer readable program recording medium on which a handwriting input processing program functioning as a stroke display control means to be displayed on a display means is recorded.