JPS5816219B2 - Shape recognition device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a graphic recognition device, in particular, a plurality of work processor devices and at least one control processor device, and the control processor device controls each work processor device according to the mode of processing. Programs and programs for processing
In addition to allocating the modules, each work processor is controlled by issuing commands such as start, stop, processing start point instruction, processing end point instruction, etc. to each work processor device, and each work processor device executes the given processing program module. The present invention relates to a figure recognition device capable of executing processing at high speed according to the following.

The figure recognition device first scans the figures on the document, converts them into video information, and stores them in the video memory.
Processing is executed while checking the contents of a dictionary memory that has been created in advance.

In order to execute such processing within a predetermined time, the amount of processing becomes enormous.

In other words, for example, if the video information for one character is approximately 40x64 bits, and the video information is processed and preprocessing and various feature extraction processes are sequentially executed, and recognition processing is performed, multiple microprocessor devices are required. Therefore, it is necessary to share the processing duties with each other.

That is, it is necessary for a plurality of microprocessor strawberry devices to mutually execute the same stage of processing in parallel, or to share and execute multiple stages of processing.

When considering such a processing device, there is a control processor device that appropriately distributes the processing by each task processor device according to the processing mode and process, and a task that exclusively executes the given processing. It is necessary to clarify the division of duties between the processor and the processor.

In addition, each work processor needs to access a common memory, but if the access route for each work processor to fetch instructions conflicts with the access route for fetching operand data, undesired wait times may occur. The set time becomes a dog.

An object of the present invention is to provide a figure recognition device that solves the above-mentioned problems.

The graphic recognition device of the present invention includes a plurality of work processor devices and at least one control processor device that distributes processing tasks to each of the work processor devices, and is capable of processing graphic information on a given document. The control processor device and the control processor device are connected in a figure recognition processing device that scans and converts the video information into video information, and then performs figure recognition processing based on the contents of a dictionary memory prepared in advance. a common control unit including a common control unit internal bus; and a recognition processing unit including a recognition processing unit internal bus to which the plurality of work processor devices and the plurality of work processor devices are connected, and the recognition processing unit includes a common control unit internal bus. A control memory provided corresponding to each of the work processor devices and connected to the work processor device and the common control unit internal bus, and a control memory that is connected to the work processor device and the common control unit internal bus; a video memory to be accessed; a high-speed work memory to be commonly accessed by each of the work processor devices via the recognition processing section internal bus; a dictionary memory is provided, the control processor device comprising:
As part of its own processing, the common control unit distributes program modules to be executed by each of the corresponding work processors onto each of the control memories via the internal bus, and also distributes the program modules to be executed by each of the corresponding work processors via the recognition control unit. The graphics scanner is configured to send commands including start and stop to the computer and read internal status information of each of the work processors, and the graphics information on the given document is scanned by the graphics scanner l. and stored on the video memory via the recognition processing section internal bus, and processing result information including processing intermediate results by the respective work processor devices is stored on the high speed work memory via the recognition processing section internal bus. It is characterized by being stored.

The figure shows the configuration of an embodiment of the present invention.

In the figure, 1 represents a recognition processing section, and 2 represents a common control section.

In the recognition processing unit 1, 3-1 to 3-3 are respectively work processor devices constituted by microprocessors, and 4-1 to 4-3 are open memories, respectively, which are connected to the corresponding microprocessor devices 3. -1 to 3
5 is a dictionary memory in which figure information corresponding to a plurality of standard figures is stored, and 6 is a video memory which is read by an optical scanning unit as described later. where video information is stored,
Reference numeral 7 denotes a high-speed work memory, which is used as a temporary storage unit when each of the above-mentioned work processor devices 3-1 to 3-3 executes processing; 8, a dummy memory;
9 is a video adapter which stores the video signal read by the optical scanning unit in the video memory 6 as, for example, 8-bit video information, as will be described later;
0 is a bus control unit that stores information from the common control unit 2 side in the memo IJs 5, 6, and 7, or transfers information on the memories 5, 6, and 7 to the common control unit 2 side. MC0NTL is a recognition control section 11 that mediates control information between a control processor device (described later) in the common control section 2 and each of the work processor devices 3-1 to 3-3. This represents a memory control device that performs bus control and the like during memory access.

Further, in the common control unit 2, 12 is a control processor device constituted by a microprocessor;
13 is a work memory in which instructions for the control processor 12 are stored; 14 is an optical scanning unit that scans figures on a document to obtain a video signal; 15 is an operator panel; , 16 is message display, 17 is paper (document)
18 is a character correction section, 19 is a data transfer input/output section with the host data processing device, 20 is a typewriter, 21 is a floppy disk, and 22 to 28 are control mechanisms for the corresponding devices. ing.

A control processor device 12 in the common control section 2 scans figures on a document while controlling, for example, a paper feed mechanism 17 and an optical scanning section 14 by executing instructions prepared in a work memory 13.

Also, if necessary, the microprogram stored on the floppy disk 21 may be loaded into the control memories 4-1 to 4-3 located in the recognition processing section 11,
Alternatively, standard graphic information may be loaded onto the dictionary memory 5 via the bus control unit 10.

Furthermore, as will be described later, each work processor device 3-1 to 3-3 is activated via the recognition control unit 11,
It instructs a stop or start point, or reads the status information and makes a decision when a parity error occurs in a work processor.

□ Optical scanning 1049 The video signal resulting from scanning the figure is converted into, for example, 8-bit video information by the video adapter 9 and stored in the video memory 6.

Each of the work processor devices 3-1 to 3-3 reads data from the corresponding control memory 4-1 to 4-3 in response to startup, stop, process start point instructions, process end point instructions, etc. from the control processor device 12. Processing is executed according to the read instructions.

That is, the processing is executed based on the operand data stored in the video memory 6 and the dictionary memory 5, while the high-speed work memory 7 is used as a temporary information storage area. Then, the figure to be recognized is recognized.

Recognition results and shapes that were deemed unrecognizable during recognition are
After being transferred to the work memory 13 through processing by the control processor device, it is displayed on, for example, the message display 16, and is corrected as necessary by inputting correction data etc. from the operator by the character correction section 18, etc. .

The data processing system shown in FIG. According to the process, program modules for processing to be executed by each of the work processor devices 3-1 to 3-3 are allocated to each of the corresponding control memories 4-1 to 4-3; (B) control processor device; 12 individually supplies commands such as starting, stopping, processing start point instruction, processing end point instruction, etc. to each work processor device 3-1 to 3-3 via the recognition control unit 11, (q control The processor device 12 controls each work processor device 3-1 to 3- through the recognition control unit 11.
Read the internal state information of 3 or set the internal state information as necessary (b) Each work processor device 3-
1 to 3-3.

When the corresponding control memory 4-1 to 4-3 is accessed, the instructions of the given processing program module are fetched; During execution, the video memory 6, high-speed work memory 7, and dictionary memory 5 that constitute the common memory are used.
The control processor unit 12 accesses the memory IJ5, 6.7 directly via the bus control unit 10 to fetch operand data and store processing results, for example, the message display 16 or The control processor device 12 outputs the memo data to the input/output section 19, typewriter 20, etc. via the bus control section 10. J5,6
．． 7, for example, the message display 16, the character correction section 18, the input/output section 19, and the floppy disk.
It can be considered that data is stored from the disk 21.

That is, the control processor device 12 comprehensively manages the processing mode and process of the entire system, and each work processor device 3-1 to 3-3 becomes a complete task-specialized processing device and executes instructed processing. It can be thought of as a system that

By doing this, (1) the preprocessing results executed by each work processor device, for example 3-1, can be used as a high-speed work processor.
A handover process such as setting and storing a processing end bit in the memory γ, and having another work processor device 3-2 take over the processing result and execute the feature extraction process, (11) Each work processor device, for example 3-L3. Parallel processing in which 2 performs feature extraction processing in parallel at the same stage (1 rx work processor device performs various feature extractions in parallel), (1 rx work processor device 3-1 and 3-2 While executing the feature extraction process, the work processor device 3
-3 executes the recognition process, and when recognition is achieved based on the easily extracted feature quantity, the control processor performs cooperative processing between multiple stages of processing, such as stopping further feature extraction processing. This makes it possible to centrally execute the process under the control of 12 people.

In each work processor device 3-1 to 3-3, the instruction fetch route and the operand fetch/store route are independent from each other, and as much as possible, undesired It is possible to avoid competition.

As explained above, according to the present invention, each work processor device can exclusively execute a given process under the comprehensive management of the control processor device. It becomes possible to execute a huge amount of processing at high speed and effectively.

[Brief explanation of drawings]

The figure shows the configuration of an embodiment of the present invention. In the figure, 1 is a recognition processing unit, 2 is a common control unit, 3-1 to 3-3 are respectively work processor devices, and 4-1 to 4-3.
are respectively control memories, 5 is a dictionary memory, 6 is a video memory, 7 is a high-speed work memory, 9 is a video adapter,
10 is a bus control section, 11 is a recognition control section, 12 is a control processor, 13 is a work memory, 14 is an optical scanning section, 16 is a message display, and 21 is a floppy disk.

Claims (1)

[Scope of Claims] 1. A system comprising a plurality of work processor devices and at least one pedestal processor device that distributes processing tasks to each of the work processor devices, and capable of processing graphical information on a given document. After scanning and converting to video information,
A figure recognition processing device that performs figure recognition processing based on the contents of a dictionary memory prepared in advance, the plurality of common control units including the control processor unit and a common control unit internal bus to which the control processor units are connected; and a recognition processing section including a recognition processing section internal bus to which the plurality of work processor devices are connected. A control memory connected to the work processor device and the common-side/both-part internal bus, a video memory commonly accessed by each of the work processor devices via the recognition processing unit internal bus, A high-speed work memory is provided which is accessed in common by each of the work processors via the internal bus of the recognition processing unit, and a dictionary memory is commonly accessed by each of the work processor units via the internal bus of the recognition processing unit. , as part of its own processing, distributes program modules to be executed by each of the corresponding work processors onto each of the control memories via the internal bus of the common control unit, and also distributes program modules to be executed by each of the corresponding work processors via the recognition control unit. The apparatus is configured to send commands including start and stop to the apparatus and read internal state information of each of the work processor apparatuses, and the graphic information on the given document is scanned by the graphic scanner. Processing result information, including intermediate results of processing by each of the work processors, is stored in the video memory via the recognition processing unit internal bus, and processing result information is stored in the high-speed work memory via the recognition processing unit internal bus. A figure recognition device characterized by being stored. 2. The control processor device is configured to directly access the video memory, the high speed work memory, and the dictionary memory via the bus controller and the recognition processor internal bus as part of its processing. A figure recognition device according to claim 1, characterized in that: 3. The common control section at least includes the control processor device, a work memory which the control processor device accesses via the common control section internal bus as a processing wife, and a work memory which the control processor device accesses via the common control section internal bus. 3. The figure recognition device according to claim 1, further comprising a display for outputting the contents of the memory including the high-speed work memory.