JPH06149889A - Electronic filing system - Google Patents

Abstract

PURPOSE:To provide an electronic filing system capable of automatically extracting a key word. CONSTITUTION:The image of a document 101 is read in by a reader 102. Thence, a key word registration/retriever 103 registers the routine format of a read in document as displaying data on a display 105, or designates the kind of the document when the routine format is already registered, and performs character recognition in the routine format, and automatically extracts the key word from a recognition result, and registers a document image and the key word on a memory device 104 as a pair.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic filing system in which a plurality of image information and keywords corresponding to the respective image information are stored in a storage medium and necessary image information can be searched by the keyword.

[0002]

2. Description of the Related Art In an electronic filing system,
When a plurality of pieces of image information and keywords corresponding to the pieces of image information are stored in a storage medium, the image information can be read almost automatically if a document of the image information is set on a two-dimensional scanning device. While the keyword can be stored in a storage medium, the operator can use a key on the keyboard when setting a document of image information on the two-dimensional scanning device or after storing a plurality of image information. You must input the keyword by operating. Therefore, there is a drawback in that as the amount of image information increases, the operation of key operation for keyword input becomes more complicated and time-consuming.

Therefore, in order to shorten the time required for inputting a keyword in an electronic filing system, a method of reading keyword information represented by a bar code or the like together with image information and automatically extracting / storing it (Japanese Patent Laid-Open No. 61-61).
-65363), or a method of automatically storing a keyword by designating a portion to be a keyword on a document of a document image to be read by using a marker or the like and reading the same (Japanese Patent Laid-Open No. 1-199903).
269171) is shown.

[0004]

In such a conventional technique, (1) it is troublesome to display the keyword information in the document image using a barcode or the like.

(2) It is troublesome to specify a keyword with a marker or the like.

There are problems as described above.

By the way, many documents stored in the electronic filing system have a fixed format in which a character string serving as a keyword is always written in the same position, such as a title or an outline of a paper or an in-house document.

The present invention has been made under such circumstances, and its purpose is to designate a portion of a document image read by a reading device as a standard format and perform character recognition in the format. An object of the present invention is to provide an electronic filing system capable of automatically extracting and storing a keyword used for a search by performing it.

[0009]

An electronic filing system according to the present invention comprises a reading means for reading a document image, a fixed format registration means for registering a document type and position information of a key portion in a storage device, and A document type designating unit that designates which document type the document image read by the reading unit corresponds to, and a portion that serves as a key of the document image read by the reading unit according to the document type designated by the document type designating unit. Character recognition means for recognizing characters, extraction means for extracting a keyword from the result of character recognition by the character recognition means, the keyword extracted by the keyword extraction means and the document image read by the reading means are associated with each other. And a registration unit for registering in the storage device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Further, the following “operator” refers to a user of the electronic filing system.

FIG. 1 is a diagram showing an embodiment of a control system for executing the electronic filing system of the present invention and a process control state. The control system according to this embodiment includes a reading device 102 for reading a document 101.
And a keyword registration / search device 10 including a keyword registration unit for automatically extracting keywords from a document image read by the reading device 102 and a search unit for performing a search.
3, a storage device 104 for storing data obtained by the keyword registration / search device 103, and a keyword registration / search by the keyword registration / search device 103,
The display device 105 displays a processing procedure and a processing result.

FIG. 2 is a block diagram of the keyword registration / search device 103. The keyword registration / retrieval device 103 is connected to the reading device 102 to read a document image image, an image memory 207 in which the image data of the document read by the image reading unit 201 is stored, and an image memory. 207
If the standard format data for the data stored in is not registered, the operator is requested to specify the document type of the data stored in the image data 207 and the information on the standard format, and the document type specified by the operator When the standard format registration unit 202 for registering the standard format data corresponding to it in the storage device 104 and the standard format of the data stored in the image memory 207 have been registered, the operator stores the data stored in the image memory 207. Requesting to specify the type of the document image and extracting the standard format data based on the specified document type, and the standard format data determined by the standard format registration section 202 or the document type specification section 203. Based on A character recognition unit 204 that performs character recognition of a key portion in a fixed format of data stored in the image memory 207, a recognition result memory 208 that stores the recognition result obtained by the character recognition unit 204, and a recognition result memory 208. A keyword registration unit 2 for extracting a keyword from the data stored in and registering the keyword and the data stored in the image memory 207 as a pair.
05, a search unit 206 that searches for a required document by designating a keyword registered by the keyword registration unit, and data obtained by the keyword registration / search device 103 (image data of a document image, standard format data, etc.). ) Is stored, and a control unit 209 that controls each unit that configures the keyword registration / search device 103.

FIG. 3 is a flow chart showing an outline of the processing at the time of inputting image data in this embodiment. First at 301,
The operator is requested to instruct whether or not the standard format data of the document image to be read is registered. When it is instructed in 301 that the format has been registered, in the document type designation processing 302, the document type designation unit 20
3 requests the operator to specify which document the read document type corresponds to, and extracts the standard format data based on the specified document type. Then, in the reading process 303, the image reading unit 201 reads the document image and executes the image memory 20.
Store in 7. When it is instructed by 301 that the format has not been registered, the image reading unit 201 reads the document image and stores it in the image memory 207 in the reading process 304, and the fixed format registration unit 202 in the fixed format registration process 305. The data stored in the image data 207 is displayed on the display device 105, and the operator is requested to specify the document type and the position of a key portion in the standard format, and the document type specified by the operator and the corresponding document type. Position information of a key portion in the fixed format is registered in the storage device 104 as fixed format data.

Next, in the character recognition process 306, the character recognition unit 204 uses the fixed format data designated or registered by the 302 or 305 for the image data stored in the image memory 207 and uses the fixed format key. The character recognition is performed for the portion to be stored in the recognition result memory 208. Note that the character recognition unit 204 performs character cutting and character recognition by using known methods. Next, keyword extraction / registration processing 307
At, the keyword extraction / registration unit 205 extracts a keyword from the data stored in the recognition result memory 208, and registers it in the storage device 104 in association with the data stored in the image memory 207.

Next, a method of executing the keyword extraction / registration process 307 in FIG. 3 will be described.

FIG. 4 shows the keyword extraction / registration process 3 of FIG.
It is a flow chart explaining the outline of 07. First, in the erroneously recognized character correction processing 401, if the recognition result data stored in the recognition result memory 208 has an error, the operator corrects it. Next, in the keyword extraction processing 403, the keyword extraction is performed from the recognition result data stored in the recognition result memory 208 with reference to the keyword dictionary stored in the storage device 104. Then, the keyword confirmation processing 40
3, the operator confirms the keywords extracted in the keyword extraction processing 402, and corrects any unnecessary keywords, erroneous keywords, additional keywords, or the like. Finally, the keyword registration processing 404 registers the keyword confirmed in the keyword confirmation processing 403. If there is no error in the processing results of the character recognition processing 306 and the keyword extraction processing 402, the erroneously recognized character correction processing 401 and the keyword confirmation processing 40 surrounded by a dotted line.
Process 3 is an unnecessary process.

[0017]

As described above, according to the electronic filing system of the present invention, a character string serving as a keyword is always written at the same position like a title or an outline of a paper, an in-house document, or the like. When handling a document of a fixed format like this, when storing a plurality of image information and keywords corresponding to each of them in a storage medium,
The operator can specify the document type when reading the image of the document image without inputting the keyword for each character with the keyboard, and the characters of the key part based on the pre-registered standard format data. It recognizes and automatically extracts keywords. Therefore, the keywords are collectively extracted by the image reading process, and the operation for registering the keywords corresponding to the image information is reduced, and the keyword registration process can be performed at high speed.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of a control system for executing an electronic filing system of the present invention and a process control state.

FIG. 2 is a configuration diagram of a keyword registration / search device 103.

FIG. 3 is a flowchart showing an outline of processing of this embodiment.

FIG. 4 is a flowchart illustrating an outline of keyword extraction / registration processing 307 of FIG.

[Explanation of symbols]

 101 ... Document 102 ... Reading Device 103 ... Keyword Registration / Search Device 104 ... Storage Device 105 ... Display Device

Claims (1)

[Claims] 1. A reading unit for reading a document image, a fixed format registration unit for registering a document type and position information of a key portion in a storage device, and a document image read by the reading unit correspond to any document type. A document type designating means for designating whether or not, a character recognition means for performing character recognition of a key portion of a document image read by the reading means in accordance with the document type designated by the document type designating means, and the character An extraction unit that extracts a keyword from the result of character recognition by the recognition unit, and a registration unit that registers the keyword extracted by the keyword extraction unit and the document image read by the reading unit in a storage device in association with each other. An electronic filing system characterized by being provided.