MOVING IMAGE ENCODER AND DECODER AND MOVING IMAGE ENCODING METHOD AND DECODING METHOD

Japanese Patent JP3844844

B2

PROBLEM TO BE SOLVED: To prevent the image quality of the images of a standstill area such as a background from being lowered at the time of changeover from a high resolution to a low resolution relating to moving image encoder and decoder and the moving image encoding method and decoding method of the devices.
SOLUTION: A low resolution time high resolution image updating means 13 converts the resolution of the images of a corresponding block stored in a low resolution image storage means 4 into the high resolution and updates the images of the corresponding block stored in a high resolution image storage means in the case that an encoded block is processed. In the case that a non- encoded block is processed, such updating is not performed. Thus, among the images stored in the high resolution image storage means, only the images of the encoded block with the change of the images are updated and the block for constituting the images such as the background without the change of the images is maintained as it is.

JPH09116855	DIGITAL CAMERA
JP3483411	IMAGE PICKUP DEVICE AND MEMORY CONTROLLING IN THE DEVICE

Akira Nakagawa
Eri Morimatsu
Kiichi Matsuda

JP14969197A

November 15, 2006

June 06, 1997

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富士通株式会社

H04N5/907; F16B31/00; G06T9/00; H04N5/92; H04N7/01; H04N19/132; H04N19/149; H04N19/15; H04N19/172; H04N19/423; H04N19/46; H04N19/50; H04N19/503; H04N19/51; H04N19/59; H04N19/60; H04N19/61; H04N19/625; H04N19/70; H04N19/85; H04N19/91; (IPC1-7): H04N7/32; H04N5/907; H04N5/92; H04N7/01; H04N7/30

JP6508014A
JP7111655A
JP7030901A
JP9271026A
JP7095566A
JP63155896A

WO1996017478A1
WO1996014711A1

Takeshi Hattori

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