Image analysis – Image compression or coding
Patent
1998-01-22
2000-08-01
Couso, Jose L.
Image analysis
Image compression or coding
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:
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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.
Shiraga Mitsuaki
Takashima Masatoshi
Couso Jose L.
Dang Duy M.
Sony Corporation
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