Data processing apparatus having function for retrieving abstrac

Details Data processing apparatus having function for retrieving abstrac Data processing apparatus having function for retrieving abstrac

1988-11-30

1991-04-23

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

3642254, 3642532, 3642557, 3649553, 3649555, G06K 900

Patent

active

050105817

ABSTRACT:
A data processing apparatus for electronically filing image date including reduced image data is disclosed. An operator sets up a retrieval mode in the filing apparatus, and enters a retrieval code for retrieving desired image data. These operations are made by using related keys on keyboard. A CPU makes a predetermined check, and stores the document number specified by the checked retrieval code into main memory. The CPU reads out a retrieval code table from magnetic disk, and displays it on the display on CRT display device. The operator checks if there is present or absent the abstract image data of A4 resulting from the original large image data of A1 or A2 as the already registered each document number. In a retrieval mode, the abstract image is retrieved, and the intended image data is pointed out by keyboard. In response to this, CPU reads out the corresponding image data from optical disk. The read out image data is passed through CODEC and enlarge/reduction circuit, and is displayed by CRT display device, in the form of an image of A1.

REFERENCES:
patent: 3810174 (1974-05-01), Heard et al.
patent: 4468755 (1984-08-01), Iida
patent: 4574395 (1986-03-01), Kato
patent: 4602333 (1986-07-01), Komori
patent: 4661988 (1987-04-01), Shimizu

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