JPH05242178A - Recognition result display and correction system of automatic drawing input device - Google Patents

Abstract

PURPOSE:To facilitate checking operation and improve the speediness, etc., by optionally setting a position where the classification editing drawing of the recognition result of image data and the original figure are superposed and specifying display colors by the kinds of character sizes, figures, etc. CONSTITUTION:A drawing input device 1 optically reads image data on a document, drawing, etc., where characters, segments, symbols, figures, etc., are present and stores them as the original drawing. Then, a drawing recognition device 2 automatically recognizes the input drawing and a display and correction device 3 classifies and edits the recognition result into data for character checking and figure checking and displays the classified and edited recognition result and the original drawing at the optional position one over the other. Further, the colors of screen displays of the recognition result drawing are specified by character sizes and the kinds of the lines, symbols, figures, etc. Consequently, the original drawing and the recognition result can be displayed one over the other while optionally shifted in position, the colors can be specified by purposes when the both are displayed one over the other, and comparing operation in the checking operation is made easy and secure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawing automatic input device for optically reading and recognizing image data such as a document or a drawing in which characters, line segments, symbols, figures and the like are mixed, and more particularly to a drawing automatic input device. Of the recognition result display correction method.

[0002]

2. Description of the Related Art Conventionally, an automatic drawing input device for optically recognizing a drawing including characters and figures and recognizing it has been used, for example, the device described in Japanese Patent Application No. 1-253451. There are the following methods for checking the recognition result of the characters and figures of the drawing input by the drawing automatic input device.

(1) The certainty of the recognition result is judged, and the ambiguous one is notified to the operator by changing the color. Check by checking the display color. There is a method of using a statistical similarity or a distance as a threshold to determine the certainty. (2) The recognition result is once displayed by a plotter, and a human checks it while comparing it with the original drawing. (3) At the same time that the recognition result is displayed, the original drawing is also overlaid on the screen so that a person can check it while comparing them.

[0004]

If the recognition performance of the drawing automatic input device is always 100%, it is not necessary to check the contents of the input drawing, but it is actually 100%.
The recognition rate of is almost impossible with the current technology. Therefore, in order to finish the results input by humans, a careful visual check is performed after recognition.

The methods have been described above, but each has the following drawbacks. The checking method of (1) above is convenient because the device informs an unknown result, but like the recognition rate, there is no completely reliable presentation means, and it is necessary for a human to recheck the original drawing and the result. Therefore, it cannot be the optimal means.

The checking method (2) is often used in actual work as a reliable and safe method because a person checks the original drawing and the result while comparing them. However, in the case of large drawings (A0, A1 size), it is not possible to put two on the desk, so it is possible to fold them down and compare them.
They work on two desks while comparing each other, and by using transmitted light and shining light from the bottom to overlay two drawings and compare them. In any case, the work is very troublesome.

Further, the checking method (3) is a reliable method for checking because the two sheets are superposed on the screen. However, if they overlap completely, it is hard to see and there is a possibility that a check will be omitted.

The present invention has been made in view of the above points, and an object thereof is a recognition result display correction system for a drawing automatic input device which greatly simplifies the checking work and improves swiftness and certainty. To provide.

[0009]

SUMMARY OF THE INVENTION The present invention is directed to characters, line segments,
In an automatic drawing input device for optically recognizing image data of a document or drawing in which symbols and figures are mixed, the recognition result of the device is classified and edited into a character check recognition result and a figure check recognition result. Editing means,
Means for arbitrarily setting a superposition position on the screen display of the original drawing read as image data and the classification-edited respective recognition result drawings, and means for specifying a screen display color for each specific area of the original drawing And a means for designating the color of the screen display for each of the recognition result drawings according to the character size and the type of line, symbol, figure, etc., and the recognition result drawing is superimposed and displayed on the original drawing to check the recognition result. , Is characterized by making corrections.

[0010]

By the means for arbitrarily setting the overlapping position, the original drawing and the recognition result drawing can be shifted and overlapped at a desired interval. Further, since the recognition result is classified into the character check and the figure check by the classification / editing means, it is possible to shift only the recognition result characters or only the recognition result figure with respect to the original drawing. it can. Therefore, it becomes easy to compare the original drawing and the recognition result, and the checking work on the same screen is greatly simplified. Further, since the means for designating the color of the screen display is provided, it is easy to distinguish each check item, and the speed and certainty of the check work are improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an apparatus configuration for executing the method of the present invention, in which 1 is a drawing input device, 2 is a drawing recognition device, and 3 is a display correction device. FIG. 2 (a) shows an example of a drawing targeted by the system of the present invention. Drawing input device 1
Inputs the drawing of FIG. 2A and stores it as image information (original drawing). And the drawing recognition device 2 for the inputted drawing
Performs automatic recognition. The recognition result is shown, for example, as shown in FIG.

Next, the display correction device 3 classifies and edits the recognition result into a recognition result for character check and a recognition result for graphic check. Then, the classification-edited recognition result and the original drawing are overlaid and displayed on the screen. At this time, when performing the superimposing processing, the following setting function is provided.

(1) Function of arbitrarily setting the superposition position of the original drawing and the recognition result For example, by setting the displacement amount (Δx, Δy) of the result position, the result is obtained with respect to the original drawing position (x, y). (X + Δ
x, y + Δy) are shifted and overlapped.

(2) Function that allows color designation at the time of superimposition output Since the contents of the original diagram cannot be classified, an area can be designated and a color can be designated for each area. Further, the recognition result can display, for example, characters of different sizes in different colors, and can change the color by lines, symbols, and figures, and such color designation by meaning is possible.

FIG. 3 (a) shows an example in which the original figure and the recognition result are superposed by the conventional method without shifting, and FIG. 3 (b) shows an example in which the original figure and the recognition result are superposed by the method of the present invention. Is. In FIG. 3A, the misaligned portion is very hard to see and difficult to check, whereas in FIG. 3B, the misaligned portion can be clearly confirmed, and it is easy to check.

FIG. 3 (c) shows an example in which only the characters of the character check recognition result are shifted and overlapped with the original figure, and FIG. 3 (d) shows that only the figure of the character check recognition result is shifted and overlapped with the original figure. It is an example. According to FIG. 3C, it can be seen that it is very easy to check when only characters are checked, and according to FIG. 3D, it is very easy to check when only graphics are checked.

[0017]

As described above, according to the present invention, classification editing means for classifying and editing the recognition result of the drawing automatic input device into the character check recognition result and the graphic check recognition result, and the source read as image data. Regarding the recognition result drawing, a means for arbitrarily setting a superposition position on the screen display of the figure and the classification-recognized drawing of the recognition result, a means for designating a color of the screen display for each specific area of the original drawing, Since the means for designating the color of the screen display for each character size and each type of line, symbol, figure, etc. is provided, the following excellent effects can be obtained.

(1) Since the positions of the original drawing and the recognition result can be arbitrarily shifted and displayed in an overlapping manner, comparison in the check work becomes very easy. (2) It is possible to specify a color for each purpose in the superimposed display, which allows checking work to be performed easily and surely. (3) The check speed is increased and workability is improved.

[Brief description of drawings]

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

FIG. 2A is an explanatory diagram showing an example of input image information by the drawing automatic input device, and FIG. 2B is an explanatory diagram showing an example of a recognition result by the drawing recognition device.

3A is an explanatory diagram showing an example of a screen when a display correction process is performed by a conventional method, and FIG. 3B is a screen when the input image information and the recognition result are shifted and overlapped by the present invention. Explanatory drawing, (c) is an explanatory view showing a screen when only the input image information and the character of the recognition result are shifted and overlapped according to the present invention, and (d) is the input image information and the figure of the recognition result shifted according to the present invention Explanatory drawing which shows the screen when it overlaps.

[Explanation of symbols]

1 ... Drawing input device, 2 ... Drawing recognition device, 3 ... Display correction device.

Claims (1)

[Claims] 1. An automatic drawing input device for optically reading and recognizing image data of a document or drawing in which characters, line segments, symbols, figures and the like are mixed, and the recognition result of the device is regarded as a character check recognition result. Classification editing means for classifying and editing the recognition results for figure checking, means for arbitrarily setting the superposition position on the screen display of the original drawing read as image data and the classification and edited recognition result drawings, and the original The figure includes means for designating a screen display color for each specific region, and means for designating a screen display color for each character size and type of line, symbol, figure, etc. for the recognition result drawing, An input result display correction method for an automatic drawing input device, which is characterized by displaying recognition result drawings in an overlapping manner and checking and correcting the recognition results.