JP3388524B2 - Image input device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus and the like.
Input device that inputs images by hand
Things. [0002] In recent years, not only workstations but also
-Information processing devices such as personal computers
The demand for multimedia functions is increasing. With this
Thus, the creation of a figure using an information processing device is based on CAD (Compute
r Aided Design) and drawing software
Thus, it has come to have a graphic creation function.
Even in such figure creation, a user with better operability
The interface is required. FIG. 10 shows a conventional figure creating apparatus.
The display device 401 and the keyboard 40
2. Mouse 403, and editing of figures (not shown)
It consists of a central processing unit that performs
ing. [0004] The figure creation operation in the figure creation apparatus is as follows.
It is performed as follows. The operator first wants to draw the figure
In the head and display it on the display device 401
Out of the plurality of figures in the selected figure selection window 404,
Select a shape that matches the image. Mouse to select shapes
This is performed by the operation of 403. The operator is the mouse 403
Move the mouse cursor 405 to the shape
Click the button on the mouse 403 according to the position.
By doing so, the figure is selected. Next, the display position of the selected figure is designated by a finger.
Set. Similarly, specify the position using the same mouse cursor as above.
Is performed by the operation of
The figure is displayed at the position specified by the mouse cursor 405
Is done. After specifying the position of the figure, specify the size.
In some cases. [0006] By repeating the above processing, figure editing work
A fan indicating the end on the keyboard 402 at the time of the end
Press the action key or indicate the end displayed on the screen
Move the mouse cursor 405 to the menu item and
Click the button on 403 to perform the operation
End the editing work of. [0007] As described above, drawing
In the case of the figure selection method, there are the following problems
You. . The figure equivalent to the figure imaged by the operator is
Figure selection window 404 on the screen of the spray device 401
If not, another figure candidate is displayed in the figure selection window 404.
You need to fix it and choose from them. Deal with this
To display all the possible shapes on the screen
However, if the number of figures is large, the editing area will not be narrow.
You. . The number of figure candidates displayed in the figure selection window 404 is large.
In that case, just search for the equivalent of the image you imaged
But it takes a lot of time. . When creating a complicated figure, the figure selection window 404
It is necessary to create by combining the limited figures displayed
It takes time to create. Also, the combination
Some figures cannot be created just because of the shortcomings. . If the shape you image is not clear,
Choosing an appropriate shape
It will take some time. [0008] The present invention has been made in view of the above problems.
An image similar to the image input by handwriting
With the aim of providing a device that allows easy selection of
I do. Means for Solving the Problems The invention of claim 1 is a handwriting
Any handwritten drawing image entered on the display screen
Means for displaying a handwritten image to be displayed;
The range for specifying the drawing range of the image on the display screen
Surrounding identification means and the handwritten image
A selection means for selecting a ready-made image similar to the page,
The size of the selected existing image is determined by the above range specifying means.
Determined based on the size of the drawing area specified in
The existing image with the determined size is displayed on the display screen.
On the display area where the above handwritten drawing image on the surface is displayed
In the handwritten drawing image
Overlapping display means for displaying the handwritten drawing image
In contrast to the above existing image, which is
Confirming the handwriting on the display area
And erase the drawing image,
A determination input means for performing a determination input on the display area.
It is characterized by having done. FIG. 1 is a block diagram showing the overall configuration of a graphic creating apparatus according to the present invention.
FIG. Central processing unit (hereinafter abbreviated as CPU) 1
01 is for cutting out a shape, approximating a shape to a mathematical expression,
Performs processing such as editing. The display unit 102 includes a CRT display,
It consists of LCD (Liquid Crystal Display) etc., created and edited
Display a shape. The display memory 103 includes the CPU 101 and the
Or data writing / reading by the graphic creation unit 109
Memory, for example, dual port
It consists of a memory and the like. The display unit 102 includes the display memory
Reads the image data from 103 and displays it on the screen
I do. The mouse 104 and the pen 105 are used to create graphics.
Used as an external input device for configuration. Position detector
Reference numeral 106 denotes a detection of the movement amount of the mouse 104 and the pen 105
The touch position on the display screen is detected. The graphic drawing memory 107 includes a mouse 104 or
Represents the trajectory drawn by moving the pen 105 as a drawing figure.
And store. The clipped image memory 108 stores
Approximation by a mathematical expression from a figure drawn in the drawing memory 107
Bitmap of a figure that has been cut out and normalized by
Stores image data. The figure creating section 109 normalizes the drawn figure.
The normalized graphic image data
This is a sub-processor that stores data in the image memory 108.
The graphic part memory 110 stores a plurality of basic graphic data and details.
The form of a mathematical expression that expresses the shape of a figure with a contour line.
Stored in The drawing range memory 111 includes a graphic creation unit.
109 temporarily stores the graphic data generated by
Memory. The graphic drawing memory 107, a cut-out image
Image memory 108, figure component memory 110,
The memory 111 is a separate memory,
As a configuration that is individually allocated to different areas of one memory
Is also good. FIG. 2 has the above system configuration of the present invention.
FIG. 2 is an external view of a first embodiment, showing the same portions as FIG.
Are assigned the same reference numerals. Display device 10
The graphic is drawn by the operator on the screen 2
An image drawing window 202 is displayed. The operator
The image drawing window 2 is
02 is drawn in the desired figure. The processing procedure of the first embodiment is shown in FIGS.
Hereinafter, referring to FIG. 2 and using the flowchart of FIG.
explain. First, the CPU 101 sets the display device 1
02, an image drawing window 202 is displayed on the display screen of
The drawing waits for the author to draw a figure (step S10).
1). Moves in conjunction with the movement of the mouse 104 by the operator
The locus of the mouse cursor 203 is displayed in the image drawing window 202.
Will be displayed within The trajectory of the mouse cursor 203
Image input by the author, as image data
It is captured. That is, the movement of the mouse 104 is determined by the position detection unit.
The CPU 101 detects whether the position is
Mouse based on the movement information of the mouse 104 input from the
Movement display of cursor 203 and mouse cursor 203
In order to display the trajectory of the
Write the bitmap data. Also mouse car
The image data indicating the trajectory of the Sol 203 is a graphic drawing memo.
It is also stored in the folder 107 (step S102). Next, the image in the image drawing window 202 will be described.
It is determined whether or not the input has been completed. End of image input
Means that a predetermined function key on the keyboard 201 is
Pressed or displayed on the menu bar of the display screen
Mouse cursor over the area (menu) that indicates the "End"
Clicking operation after moving 203
It is determined based on the detection. Image input is complete
If it is completed, the process proceeds to the next step S104, and the image input is performed.
If not completed, the process returns to step S102, and
Message input is continued (step S103). When the image input is completed (S103, Y
ES), the CPU 101 draws the image in the image drawing window 202.
The extracted image is cut out, and the cut-out image memory 10
8 is stored. This processing is stored in the graphic drawing memory 107.
Transfer the stored image data to the cutout memory 108
It is done by sending. In addition, the cut out image
Are classified into the most similar shapes to the image,
Of the similar figure from the figure part memory 110 based on the classification of
Is read out. For a detailed description of this classification method, see
5 and the flowchart of FIG.
S104). The graphic creating unit 109 determines in the preceding step S104
Based on the formula selected in, a figure similar to the drawing image
Is generated and stored in the display memory 103.
Forward. Then, if the display unit 102 is the display memory 103
Read out the generated graphic image data from the
Is displayed at a predetermined position in the display screen by a broken line (step
S105). Then, close the image drawing window 202.
You. As a result, the newly generated break is displayed in the display screen.
The line display figure and the figure created before it are displayed.
(Step S106). Next, the operator maps the figure indicated by the broken line.
On the display screen by dragging the mouse 104
To move. Then, the figure moves to the desired position.
After that, for example, the drag operation button on the mouse 104
Is released, the display position of the figure is determined. Change
Then, an operation of changing the size of the figure is performed. In the operation, for example, on the mouse 104
By double-clicking the button,
Select the setting mode, and drag the mouse 104
To change the size. And then on the mouse 104
Release the drag operation button, etc.
Determine the size of the figure. This allows the user to specify
The determined figure is determined (step S107). [0028] The figure creating unit 109 stores the determined figure.
Image data and draw the image data once
It is stored in the image range memory 111. And further, the image
Page data corresponding to the figure display position in the display memory 103
Is written to the target area by raster operation. This allows
The size specified by the author at the specified position
Is displayed (step S108). By repeating the above processing,
A plurality of figures are sequentially created. Next, the operator
The figure image drawn in the image drawing window 202
By approximating
A method of selecting a basic figure will be described with reference to FIGS.
explain. First, all the line segments of the input image are
It is determined whether or not it can be approximated by a straight line (step S20).
1). The method of approximating the straight line of the line segment is as shown in FIG.
Each point in the point sequence sampled from the force image
Within a predetermined distance from line 250
It depends on whether or not. For example, based on a predetermined distance
The line segment of the curve image drawn by the operator is defined as the quasi-value L.
The sampling points to be formed are defined as points P1, P2,.
I do. .., Pn.
The distances to the line 250 are x1, x2,.
xn, if there is a virtual straight line 250 that satisfies xi ≦ L (i = 1, 2,..., n) with respect to all the points Pi, the point sequence P1, P2,
.., Pn are determined to be straight lines. Ma
Even if the virtual straight line 250 exists, its length is
If it is shorter than the reference value, it is not determined to be a straight line. This is like
If the drawn image is a circle, the image will be manipulated
Partly because it was entered by the hand of the person
This is because it is conceivable. So, for example,
For example, the length of the virtual straight line 250 is several times the reference value L.
(Approximately 5 times is optimal) or more, and the point sequence P1, P
2,..., Pn are determined to be straight lines. More than
Method approximates all line segments of the input image with straight lines
If it is possible, the process proceeds to step S202.
The process proceeds to step S210 (step S201). All the line segments of the input image are straight lines
If they are approximated (S201, YES), they are connected.
Determine whether the line segment is closed. If closed
Proceeding to step S203, if not closed, step S20
Go to Step 7 (Step S202). When the connected line segment is closed
(S202, YES), how many line segments are input images
Is determined. And three straight lines
If it is composed of, the process proceeds to step S204,
If it is composed of two straight lines, go to step S205
If there are five or more straight lines,
The process proceeds to step S206 (step S203). First, the input image is represented by three straight lines.
If it is configured, it is determined to be a triangle and its shape
Classify further according to the condition. More on classification methods later
(Step S204). In addition, the entered image
It is a quadrangle if it is composed of four straight lines
And classify it in more detail according to its shape (S
Step S205). Furthermore, if there are five or more input images
If it is composed of the above straight lines, it is judged to be a polygon
And further categorize them according to their shape (step
S206). In the above step S202,
If the broken line segment is not closed (S202, NO),
Judge whether or not the number of straight lines approximated to the line is one
You. When the number of straight lines is one, the process proceeds to step S208.
If the number of straight lines is not one, step S209
Go to (Step S207). If there is only one line segment approximated to a straight line,
It is determined that the input graphic is a straight line (step S20).
8). Also, if there are two or more line segments approximated to a straight line,
For example, it is determined that the input figure is a broken line (step
S209). On the other hand, in step S201, the input
When all line segments of the input image cannot be approximated by straight lines
Determines whether the connected line segment is closed. line
If the minute is closed, the process proceeds to step S211 and the minute is not closed.
If so, the process proceeds to step S212 (step S210). Then, if the connected line segment is closed,
Determine whether the input image is a circle or an ellipse.
Separate (step S211). Also, the above connected line
If the minute is not closed, it is considered a free line (step
S212). Next, in step S204, a triangle is determined.
How to classify the triangle in more detail if it is cut off
Will be described below with reference to the flowchart of FIG. Destination
Of the three line segments, there are two line segments that intersect at right angles
It is determined whether or not. There are two line segments that intersect at right angles
If it is, the process proceeds to step S302.
Proceed to S305 (Step S301) If the two line segments intersect at a right angle, then the two line segments
Judge whether they are the same length. And two lines
If the lengths of the minutes are the same, the process proceeds to step S303, and
If not, the process proceeds to step S304 (step S30
2). First, two line segments intersect at right angles, and
If the input image is the same length, the input image
It is determined to be a side triangle (step S303). Also two
If the line segments intersect at right angles but are not the same length,
Forced image is a right triangle other than the right isosceles triangle
The shape is determined (step S304). On the other hand, in step S301,
If it is determined that there are no two line segments intersecting the corner, 3
Determines whether two line segments of the same length exist in the line segments.
Refuse. If there are two line segments of the same length,
Proceeding to step S306, there are two line segments of the same length.
If not, the process proceeds to step S309 (step S30
5). Then, in step S305, two lines
If it is determined that the minutes are the same length,
Whether one line segment is the same length as the other two line segments
Judge. And all three line segments are the same length
If so, the process proceeds to step S307, where it is two straight lines.
If it is determined that the injuries are the same length, proceed to step S308.
(Step S306). In step S306, the length of the three line segments is
If it is determined that they are the same length, the input image will be
It is determined as an equilateral triangle (step S307). Also,
If only two line segments have the same length in step S306
If determined, the input image is a right-angled isosceles triangle
It is determined to be an isosceles triangle other than (step S308).
If none of the above triangles apply,
Classification in steps S303, S304, S307, S308
(Step S30)
9). With the above processing, the input image
Classifies triangles if is determined to be triangles
It is. Although not specifically described here, squares, polygons,
For circles, ellipses, etc., based on the properties of the figures,
A more detailed classification of the input image is performed. Next, a second embodiment will be described. The second implementation
The system configuration of the example is shown in FIG. 1 as in the first embodiment.
It has such a block configuration. 1 and FIG.
The operation of the second embodiment will be described with reference to the drawings showing the operation procedure.
This will be described below with reference to the flowcharts of FIGS. First, the figure creating section 109 sets the state shown in FIG.
As shown, the basic figure list is displayed at the right end of the screen of the display unit 202.
301 is displayed (step S401). Basic figure squirrel
301 are roughly classified into circles, triangles, squares, etc.
The icon of the representative figure is displayed. Basic figure re
The strike 301 further includes a pen input which is a feature of the second embodiment.
Image selection for selecting the input of graphic images by
Selection icon 302 is set at the end of the basic figure list 301.
Have been killed. As described later, the basic figure list 301
If you select an arbitrary figure from
The detailed figure list 303 that has been properly classified is newly displayed on the screen.
Is displayed, and it is possible to select the desired figure from among them
Become. Next, touching the screen with the pen 105
, The position is specified (step S402).
The position of the pen is detected by the position detection unit 106 in FIG.
It is. The position touched by the pen is the basic figure list 30
1 in the basic figure list 301.
If there is, the process proceeds to the next step S404, and the basic graphic list 3
If it is not 01, return to step S402 and use the pen
An input wait state is set (step S403). In the previous step S403, touch with a pen.
Select the image in the basic figure list 301
It is determined whether or not the image is the window 302, and the image selection window 302 is determined.
If so, to process the image input with the pen
The process proceeds to step S405 of FIG.
If it is, a process of selecting a figure in the basic figure list 301 is performed.
To step S419 in the flowchart of FIG.
(Step S404). In step S404, touch with the pen 105.
If the touched position is the image selection icon 302,
The subsequent input by the pen 105 is determined to be an image input.
And the basic figure list 301 is deleted, and FIG.
As shown, the locus 3 of the pen 105 on the screen by the operator
11 is displayed on the screen. Touch on the screen of the pen 105
Of the pen 105, ie, the locus of the pen 105
6 and the locus is displayed as image input data.
Show. The image data entered with the pen
109 to the graphic drawing memory 107 in real time.
After being stored, it is transferred to the display memory 103. Image
The end of page input is indicated by a predetermined operation, for example, displayed at the top of the display screen.
The "Exit" menu in the menu bar (not shown) shown
Move the mouse cursor to move the menu to the mouse 104
Click operation, or if the pen input is
The determination is made based on the detection of no longer being performed. Image
When the input of the page is completed, the process proceeds to the next step S406.
(Step S405). In the step 406, the figure creating section 1
09 is the pen 105 detected in step S405.
The input image data of the figure is cut out from the locus 311.
That is, the image data stored in the graphic drawing memory 107 is
The part of the data that is approximated by the mathematical expression
And transfer it to the image memory 108 (scan
Step S406). Next, on the screen of the above
The drawing range is stored in the drawing range memory 111. Drawing range
Means an area surrounding the input locus 311 of the pen 105.
Taste, held as information indicating the size of the pen input figure
(Step S407). Next, in step S406 described above,
Which basic figure the output image data belongs to
to decide. The selection method of the basic figure is shown in the flowchart in FIG.
This is performed in the same manner as the chart. Basic shapes are
As described above, for example, large triangles, squares, circles, ellipses, etc.
Means a representative figure roughly classified (step
Step S408). The group selected in the previous step S408
From the detailed figures belonging to this figure,
Judge which detailed figure the geodata 311 corresponds to
You. The selection of the detailed figure is performed, for example, by using the flowchart shown in FIG.
This is done in a similar way to Detail shapes are
This is a subordinate figure included in this figure.
When a rectangle is selected as a shape, a rectangle or square
Shape, rhombus, parallelogram, equilateral trapezoid, trapezoid, other four
A square or the like is applicable (step S409). The detailed graphic selected in step S409
Is read from the graphic part memory 110.
Then, based on the drawing range obtained in step S407,
And the image size of the detailed figure that fits within the drawing range
Is determined (step S410). The size determined in the previous step S410
Generate an image of the above detailed figure based on it and display it
Raster rendering is performed in an area of the memory 103 corresponding to the drawing range.
Transfer by calculation. This allows for the normalized
The image 312 of the detailed figure is shown in FIG.
To the pen input image 311 drawn by the operator
They are overlapped and displayed by a broken line (step S41).
1). Subsequently, in the step S409, the selection is made.
Icons for multiple detail shapes belonging to the selected basic shape
Is displayed on the right end of the display screen as shown in FIG.
It is displayed as a list 303. At this time, in FIG.
As shown by hatching in FIG.
03, equivalent to input image 311 or most similar
Only similar detailed shape icons can be distinguished from other detailed shapes.
Display, for example, by inverting or highlighting.
(Step S412). Next, the input of the pen 105 by the operator is waited.
(Step S413). Then, the pen 1
05 is input, and the CPU 101 operates the pen input.
Upon receiving the work information, the figure creating unit 109
Is displayed in the detailed graphic list 303 on the display screen.
It is determined whether or not it is within the detailed graphic list 303.
Proceed to step S415, and if it is outside the detailed graphic list 303
If it is, the process proceeds to step S416 (step S414). In step S415, pen input is detailed.
If it is determined that it is within the fine figure list 303,
The graphic indicated by the broken line in step S411 is intended by the operator.
It is determined that the figure is different from the
The illustrated detailed graphic image 312 is deleted. And details
Touched by pen 105 in fine figure list 303
Judge that the detailed figure is the figure desired by the operator,
Returning to step S410, the normalized graphic image 312
Of input graphic image 311 by generating and displaying broken line
(Step S410)
To S413). On the other hand, the pen input is detailed in step S414.
If it is determined that the position is outside the figure list 303, the step
Graphic image 312 indicated by a broken line in step S411
Is determined to be the same as the figure intended by the operator,
The display of the fine figure list 303 is deleted (step S41).
6). Next, the image of the figure drawn by the operator
311 is deleted (step S417).
The displayed normalized figure 312 is redisplayed as a solid line.
The process ends (step S418). Thus, the basic
In the figure display list 301, an image selection icon
By selecting 302, the operator desires
By drawing a graphic image directly with the pen 105,
A desired figure can be easily input. On the other hand, in step S404,
Touched position is an image in the basic figure list 301
It is determined that the icon is other than the selection icon 302
In this case, touch with the pen 105 in the basic figure list 301.
The figure of the touched icon is selected as the basic figure.
Then, the details of the detailed figure belonging to the selected basic figure are read.
Icon as a detailed figure list 303 (step
S419). Next, the user waits for a pen input by the operator (s
Step S420). Then, in the same manner as above, the CPU 1
01, the operation information of the pen 105
When the input is detected, the touch position of the pen 105 is detected.
It is determined whether the position is in the detailed graphic list 303 or not.
If not in the detailed graphic list 303, step S
It returns to 420 and waits for the input of the pen 105 again.
If it is in the shape list 303, proceed to the following step S422
(Step S421). The icon touched by the pen 105
Selected as the detailed figure, and
A figure is displayed as a broken line at a predetermined position on the display screen, for example.
You. The detailed graphic displayed by the broken line is displayed on the screen by the pen 10.
5 by touching and moving
Moves on the display screen. And of the pen 105
After completing the moving operation, for example, a predetermined position on the display screen
Touch the menu indicating “OK” displayed on the
Touch to determine the display center position of the detailed figure
I do. That is, the final moving position is set as the display center position.
It is determined (step S422). Next, the operator confirms the center position.
Specify the size of the detail figure. That is, for example, the details
After touching an arbitrary side of the figure with the pen 105,
Touch position of the touch position
After that, select “OK” in the above menu bar.
By touching the menu indicating
The size of the detailed figure is determined based on the moving distance.
Is performed (step S423). As described above, the size designation of the detailed figure
Is completed, the detailed figure
The image size is determined (step S424). Continued
Then, the formula of the specified detailed figure is stored in the figure drawing memory 110.
From the image data of the detailed figure
Is generated in the size specified above, and this is
Write it to the folder 107. And the image of the above detailed figure
Is displayed centered on the specified center position.
The image data is stored in the display memory 103 by a raster operation.
Forward. As a result, the details indicated by the broken line
The figure is placed at the position specified by the operator at the specified
And the processing is terminated (step S
425). Thus, the system is prepared in advance
Select the desired figure from the detailed figures and pen
By operating the button 105, a desired size is set at a desired position on the screen.
Can be displayed. Then, the above steps S401 to S425
Create multiple shapes by repeating the process
Are sequentially performed. Incidentally, the above steps S405 to S
At 418, the image input by the operator is approximated by a mathematical expression,
Generated figures when generating and displaying figures based on mathematical formulas
Shape size and display position can be input by the operator
Were determined on the basis of steps S422 to S425.
In the same manner as described above, the operator changes the size and display position of the
5 may be separately instructed. Also,
How to specify the size and display position of the figure
It may be performed by a method. In the first embodiment, the external input device (point
Mouse 104 as the printing device), the second implementation
The example has been described using the pen 105 as the external input device.
However, in the first and second embodiments, the mouse 104 or the pen 105
Either may be used, trackball, tablet
Other external input devices such as touch screen, touch screen, etc.
Needless to say, it's good. Further, when a figure is approximated by a mathematical expression, the figure is
The image input by the operator and the
Pattern match with stored image data
Figure recognition system using
And the like, and based on the result of the
The formula of the figure may be read from the memory 110.
No. According to the present invention, a hand is displayed on a display screen.
Ready-made image similar to handwritten drawing image input and written
Page based on the drawing range of the handwritten drawing image.
To determine its size and its display area and display it.
The desired display area on the display screen.
If you want to enter a ready-made image
Hand-drawn drawing image similar to the existing image on the surface
Is drawn in the desired size on the desired display area.
By inputting, the user can easily input. Ma
Also, the ready-made images that are automatically selected for input
On the handwritten drawing image displayed on the
Overlap display so that the size of the
Display area and display size of the existing image
Is valid or not.
It can be determined while referring to the image. [0067]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an overall configuration of the present invention. FIG. 2 is a diagram showing an appearance and an operation method of the first embodiment of the present invention. FIG. 3 is a flowchart illustrating the operation of the first embodiment of the present invention. FIG. 4 is a diagram illustrating a method of determining whether a line segment can be approximated by a straight line. FIG. 5 is a flowchart illustrating a process of classifying an input graphic image into basic graphics. FIG. 6 is a flowchart illustrating a process of classifying triangles in more detail. FIG. 7 is a diagram for explaining a method of operating a graphic creation according to a second embodiment of the present invention. FIG. 8 is a flowchart (part 1) for explaining the operation of the second embodiment of the present invention. FIG. 9 is a flowchart (part 2) for explaining the operation of the second embodiment of the present invention; FIG. 10 is a diagram for explaining a figure creating method in a conventional figure creating apparatus. DESCRIPTION OF SYMBOLS 101 Central processing unit (CPU) 102 Display unit 103 Display memory 104 Mouse 105 Pen 106 Position detection unit 107 Graphic drawing memory 108 Cutout image memory 109 Graphic creation unit 110 Graphic parts memory 111 Drawing range memory 201 Keyboard 202 Image Drawing window 203 mouse cursor

Continuation of the front page (58) Fields investigated (Int.Cl. ⁷ , DB name) G06T 1/00 G06T ⁷ /00-7/60 G06T 11/60-17/50 G06K 9/00-9/03 G06K 9 / 46-9/52 G06K 9/62-9/82 G06F 3/00 G06F 17/50

Claims (1)

(57) [Claims] [Claim 1] Handwritten image display means for displaying an arbitrary handwritten drawing image input by handwriting on a display screen, and specifying a drawing range of the handwritten drawing image on the display screen Range specifying means for selecting, a selecting means for selecting a ready-made image similar to the handwritten image among the plurality of ready-made images, and Overlap display means for overlappingly displaying the ready-made image based on the determined size on the display area on the display screen where the handwritten image is displayed, and the handwritten image The above operation is performed by confirming the existing image that is displayed on the screen. An input device for erasing the hand-drawn image on the display area and inputting the established image on the display area.