Image information encoding/decoding device

Details Image information encoding/decoding device Image information encoding/decoding device

1989-08-29

1991-04-16

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

3582611, G06K 936

Patent

active

050089510

ABSTRACT:
An image information processing device for performing two-dimensional encoding and decoding processings comprises an image data buffer memory, an image/run-length converting circuit, two run-length buffers, an encoding/decoding line shift-point address generating circuit, a reference line shift-point address generating circuit, pipeline-connected a.sub.2, a.sub.1 and a.sub.0 registers, pipeline connected b.sub.2, b.sub.1 and b.sub.0 registers, a mode/run-length detecting logic circuit, a control circuit, and a code word assigning/detecting circuit. Each of the two run-length buffers may consist of a first-in-first-out circuit.

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patent: 4888645 (1989-12-01), Mitchell et al.
patent: 4926266 (1990-05-01), Kurosawa

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