Compression encoding apparatus, encoding method, decoding appara

Image analysis – Image compression or coding

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382236, G06K 936

Patent

active

060978430

ABSTRACT:
In an encoder as a compression encoding apparatus for compression encoding an inputted image signal in accordance with a rule of the MPEG or the like, other compression and decompression different from a main compression encoding which is executed by a motion detection/compensation processing circuit, a discrete cosine transforming/quantizing circuit, and a Huffman encoding circuit are executed. The compression and decompression are executed by a signal compressing circuit and a signal decompressing circuit. As mentioned above, by reducing an amount of information that is written into a memory provided in association with the compression encoding apparatus, a capacity of the memory can be decreased. By executing other compression and decompression different from a decoding process corresponding to the compression encoding to a decoding apparatus according to the rule of the MPEG or the like, a capacity of a memory provided in association with the decoding apparatus can be reduced.

REFERENCES:
patent: 5249048 (1993-09-01), Sugiyama
patent: 5253078 (1993-10-01), Balkanski et al.
patent: 5418569 (1995-05-01), Ando
patent: 5428693 (1995-06-01), Murakami et al.
patent: 5497435 (1996-03-01), Berger
patent: 5598483 (1997-01-01), Purcell et al.

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