JPH0520491A - Handwritten numeric character input device - Google Patents

Abstract

PURPOSE:To automatically read even each item of the handwritten characters at a high speed without key input operation and to input these items to a computer. CONSTITUTION:A handwritten numeric character input device consists of a handwritten numeric character reader 1 and a processing part 2. The reader 1 includes an image sensor 12, and the 1st and 2nd liquid crystal display parts 13 and 14. The part 2 displays the images of the numeric characters read by the sensor 12 at the part 13 as they are. Meanwhile the numeric characters recognized based on the image of a sample numeric character stored previously are displayed at the part 14 respectively. An operator compares the display of both parts 13 and 14 with each other and then sends a correction signal to the part 2 if a recognizing error of the part 2 is detected. Then the numeric character of the next approximation order is shown at the part 14. If no error is decided, the input of a handwritten numeric character is decided based on the numeric character shown at the part 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handwritten numeral input device required for computer processing of documents such as slips written with handwritten numerals.

[0002]

2. Description of the Related Art Conventionally, in accounting office work and insurance office work in which a computer is introduced, a document such as a slip written with handwritten numbers is keyed by an operator and processed by a computer.

[0003]

However, it is very laborious for the operator to read and input the handwritten numbers of a document such as a voucher when the number of documents becomes large or the number of numerical items to be read becomes large. Takes a
Also, errors are likely to occur. In such a case, ask the business office or department where documents such as slips are generated to enter keys,
The above problem can be solved by receiving data in the form of a magnetic disk or establishing an online network.

However, it is often difficult in practice to ask all business establishments to perform key input, and in many cases data can only be obtained in the form of documents with handwritten numbers.

Heretofore, there has been conventionally known a device for automatically reading and inputting characters on a document by using OCR. However, a character input device using OCR is generally expensive, and since each character must be processed by an image processing program, the input speed is slow and it is not suitable for computer processing of a large amount of documents. In this case, it is possible to considerably speed up the process by formatting the document to be processed by the computer so that the total number is written only in a predetermined place and only the written number is read by the OCR. . However, even with this method, since the computer confirms whether the total number is correct, when inputting each item into the computer, it is necessary to perform key input, and the processing speed cannot be increased.

The present invention has been made to solve the above problems, and when computer processing a document in which handwritten numbers are written, not only the total numbers but also individual items can be keyed in. It is an object of the present invention to provide a handwritten numeral input device capable of automatically and rapidly reading and inputting without inputting.

[0007]

In order to achieve the above object, a handwritten numeral input device of the present invention comprises a handwritten numeral reader and a processing section for processing handwritten numeral image information read by the handwritten numeral reader. The handwritten number reader is a casing, a light source for illuminating the numbers 0 to 9 written in a line on a manuscript housed in the casing, an image sensor for reading the illuminated numbers, and a number to be read provided on the outer surface of the casing. It is equipped with two first and second liquid crystal display sections that are long in the lined up direction, and the processing section displays the handwritten number image read by the handwritten number reader on the first liquid crystal display section of the handwritten number reader as it is. Means for comparing the handwritten numeral image information read by the handwritten numeral reader with the previously stored sample image information, A number recognition means for recognizing handwritten numbers in a similar order, a means for displaying the highest ranked number recognized by the number recognition means on the second liquid crystal display of the handwritten number reader, and waiting for external input. Means for displaying the next rank among the numbers recognized by the numeral recognition means on the second liquid crystal display unit, and means for confirming the input numeral by the recognized numbers displayed on the second liquid crystal display unit by external input Be prepared.

In the handwritten numeral input device of the present invention having the above-described structure, a sample of handwritten numerals from 0 to 9 is written in a line somewhere on a document such as a slip, and first read by a handwritten numeral reader. Remember. Next, the operator brings the handwritten numeral reader to the position where each numeral item of the document is read, and reads the handwritten numeral. The first liquid crystal display section of the handwritten numeral reader displays the read image of the handwritten numeral itself, and the second liquid crystal display section displays the numeral recognized according to the sample numeral image information stored in advance by the processing section. . While comparing the two liquid crystal displays, the operator inputs one after another unless he / she finds a recognition error in the processing unit, and if he / she finds an error, displays the number of the next approximate order on the second liquid crystal display by external input. Then, the input is confirmed.

[0009]

EXAMPLES Examples of the present invention will be described below. Figure 1
It is explanatory drawing of the Example of this invention. In FIG. 1, 1 is a handwritten numeral reader and 2 is a processing unit. FIG. 2 is a detailed view of the handwritten numeral reader of FIG. FIG. 3 is a perspective external view of the handwritten numeral reader of FIG.

As shown in FIGS. 1 to 3, the handwritten numeral reader 1 comprises a light source 11, an image sensor 12, a first liquid crystal display section 13, a second liquid crystal display section 14, a numeral input section 15, and a numeral input section 15.
It is composed of a casing 16 and the like. As shown in FIG. 2, the light source 11 is disposed in the casing 16, and the light source 1
At the position to read the handwritten number of the original D illuminated at 1,
An image sensor 12 is provided. The light source 11 is provided with a mirror 111 behind it in order to improve the illumination efficiency. The light source 11 is in the form of a rod that is long in the direction perpendicular to the paper surface, and therefore the illumination pattern on the document D is linear.
In order to scan this linear illumination pattern in the X direction of FIG. 2, a mechanism (not shown) for integrally swinging or moving the light source 11 and the mirror 111 is provided. A lens 17 is arranged in a predetermined focused state on the optical path of the light from the illuminated document D. With this lens 17,
The image sensor 17 can take a clear image.

In this embodiment, the light source 11 may be, for example, a fluorescent lamp for a backlight of a liquid crystal display, a photodiode array, or the like, and the image sensor may be, for example, a CCD linear image sensor or the like.

Next, the operation of handwritten numeral input using the handwritten numeral reader 1 of this embodiment will be described.

FIG. 4 is a flow chart for explaining the signal processing of the processing section of FIG. FIG. 5 is an explanatory diagram of an example of a manuscript for inputting numbers using the handwritten number input device of FIG. FIG. 6 is an explanatory diagram of the external correction signal of FIG.

As shown in FIG. 5, there is a sample numeral entry field D1 in a predetermined cylinder of the document D, and the entry person is asked to handwrite a number from 0 to 9. The operator turns on the power source of the handwritten numeral reader 1 to turn on the light source 11, and brings the handwritten numeral reader 1 shown in FIGS. 2 and 3 to the position for reading the numeral in the sample numeral entry field D1. As shown in FIG. 1, the image information of the sample numeral imaged by the image sensor 12 in the handwritten numeral reader 1 is input to the CPU 21 via the A / D converter 22 and stored in the RAM 23 as it is. Also, C
The PU 21 displays the image signal in the liquid crystal drive circuit 1 as a monitor
It is sent to 31 and is displayed on the liquid crystal display unit 13.

Next, the operator brings the handwritten numeral reader 1 to the position for reading each numeral item D2 of the document shown in FIG. 5, and reads the handwritten numeral. And the CPU 21
Is the image information of the read handwritten numbers and RAM2
The image information of the sample numbers stored in No. 3 is called and compared and calculated, and the handwritten numbers are recognized in a predetermined approximate order. This will be referred to as initial recognition. The result of the initial recognition is stored in the RAM 23 and sent to the liquid crystal drive circuit 141 to be displayed on the second liquid crystal display unit 14.

In FIG. 5, for example, the image information of handwritten numbers taken by the image sensor is displayed on the first liquid crystal display unit 1.
3 displays as shown in the figure, and the second liquid crystal display unit 14 displays the numerical image information initially recognized by the CPU 21 as shown in the figure, the operator inputs the numeral shown in FIG. 3 as the external correction signal. Press the second key from the right of section 15.
Then, the CPU 21 calls up the next approximate number from the RAM 23 and displays it on the second liquid crystal drive circuit 14. Then, when it is determined that all the picked-up handwritten numbers and the recognized numbers match, the operator performs a key input to confirm the input, and inputs the handwritten numbers to the computer. The key input for confirming the registration may be performed from the keyboard 28 on the side of the processing unit 1, but if the casing 16 of the numeral reader shown in FIG. 3 is additionally provided with the ENTER key or the like, the usability is improved.

Then, the operator brings the handwritten numeral reader 1 to a position where the handwritten numeral of the next item D3 is read, and repeats the same operation. At this time, it is troublesome to press the input confirmation key for each input, so if you set the system to confirm the automatic input one after another unless the stop key is pressed before reading the next handwritten number, Higher speed can be achieved. The operator uses two liquid crystal display units 13,
While comparing 14 with each other, if the recognition error of the processing unit 1 is not found, it is automatically input one after another, and if an error is found, the stop key is pressed, the external correction signal is sent as described above, and the number of the next approximate rank is set to the second liquid crystal The input is confirmed by displaying it on the display unit. Therefore, if this stop key is also provided in the casing 16 of the numeral reader of FIG. 3, the usability is increased.

Then, for example, the item D16 in FIG. 5 is read, the total value is calculated by the processing unit 2 and is displayed on the display unit 25, and the handwritten number in the total column D17 is read, and the calculation is also performed. It can be done automatically. It should be noted that if the input state is monitored by the display 25, the printer 27, etc., it will be more reliable.

The handwritten numeral data input by the computer in this manner is stored in a magnetic disk or the CPU.
21 is processed by a predetermined slip processing program or the like.

[0020]

Since the numeral input device of the present invention has the structure as described above, it is possible to read and input each handwritten item automatically and at high speed without key input. Become.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of an embodiment of the present invention.

FIG. 2 is a detailed view of the handwritten numeral reader of FIG.

FIG. 3 is a perspective external view of the handwritten numeral reader of FIG.

FIG. 4 is a flowchart illustrating signal processing of a processing unit in FIG.

5 is an explanatory diagram of a document on which numbers are input using the handwritten number input device of FIG.

FIG. 6 is an explanatory diagram of an external correction signal of FIG.

[Explanation of symbols]

1 Handwritten number reader 2 processing section 11 light source 12 image sensor 13 First liquid crystal display 14 Second liquid crystal display 16 casing 21 CPU

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[Procedure amendment]

[Submission date] February 20, 1991

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[Procedure amendment]

[Submission date] May 9, 1991

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Claims (2)

[Claims] 1. A handwritten numeral input device comprising a handwritten numeral reader and a processing unit for processing handwritten numeral image information read by the handwritten numeral reader, wherein the handwritten numeral reader is housed in a casing. The light source for illuminating the numbers 0 to 9 written in a line on the original, the image sensor for reading the illuminated numbers, and the first and second long on the outer surface of the casing in the direction in which the numbers are read. And two liquid crystal display parts of
The processing unit stores the handwritten numeral image read by the handwritten numeral reader on the first liquid crystal display unit of the handwritten numeral reader as it is, and previously reads and stores the handwritten numeral image information read by the handwritten numeral reader. The second liquid crystal of the handwritten numeral reader for the numeral recognition means for recognizing the handwritten numeral in a predetermined approximate rank by comparing with the sample numeral image information and the highest rank among the numerals recognized by the numeral recognition means. A means for displaying on the display unit, a means for waiting for the input of an external correction signal, and displaying on the second liquid crystal display unit of the handwritten numeral reader the next rank among the numbers recognized by the numeral recognition means, A handwritten numeral input device comprising means for deciding the inputted numeral by the numeral after recognition displayed on the second liquid crystal display unit by inputting. . 2. A handwritten numeral reader used in the handwritten numeral input device according to claim 1.