Inventor
CHANG CHING FANG
JP20 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHING FANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
14 patentsUS6671319B1Dec 30, 2003
Methods and apparatus for motion estimation using neighboring macroblocks
SONY CORP75 citations98
US5974196AOct 26, 1999
Method and apparatus for blocking effect reduction in images
SONY CORP116 citations98
US6483876B1Nov 19, 2002
Methods and apparatus for reduction of prediction modes in motion estimation
SONY CORP63 citations96
US6128047AOct 3, 2000
Motion estimation process and system using sparse search block-matching and integral projection
SONY CORP82 citations96
US5933542AAug 3, 1999
Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain
SONY CORP80 citations96
US5881180AMar 9, 1999
Method and apparatus for the reduction of blocking effects in images
SONY CORP54 citations96
US5543932AAug 6, 1996
Digital video signal recording apparatus and digital video signal reproducing apparatus
SONY CORP55 citations96
US6690728B1Feb 10, 2004
Methods and apparatus for motion estimation in compressed domain
SONY CORP50 citations92
US5684917ANov 4, 1997
Apparatus and method for recording and reproducing digital video data in a variable-speed mode
SONY CORP34 citations92
US6266375B1Jul 24, 2001
Method and apparatus for selecting a quantization table for encoding a digital image
SONY CORP18 citations84
US6111989AAug 29, 2000
1/4 size real time decoding of digital video
SONY CORP16 citations84
US5926604AJul 20, 1999
Apparatus and method for recording and reproducing digital video data
SONY CORP6 citations74
US6104838AAug 15, 2000
1/16 size real time decoding of digital video
SONY CORP6 citations63
US6377627B1Apr 23, 2002
Method and apparatus for decoding MPEG video data
SONY CORP2 citations58
SONY ELECTRONICS INC
4 patentsUS6130912AOct 10, 2000
Hierarchical motion estimation process and system using block-matching and integral projection
SONY ELECTRONICS INC105 citations98
US6996176B1Feb 7, 2006
Motion estimation process and system using sparse search block-matching and integral protection
SONY ELECTRONICS INC34 citations92
US6137916AOct 24, 2000
Method and system for improved digital video data processing using 8-point discrete cosine transforms
SONY ELECTRONICS INC26 citations92
US6215909B1Apr 10, 2001
Method and system for improved digital video data processing using 4-point discrete cosine transforms
SONY ELECTRONICS INC8 citations71