Inventor
ASAI KOHTARO
JP153 patents
⚠️ This page may combine multiple inventors who share the name “ASAI KOHTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
49 patentsUS7302117B2Nov 27, 2007
Method of image feature coding and method of image search
MITSUBISHI ELECTRIC CORP144 citations99
US7095344B2Aug 22, 2006
Digital signal encoding device, digital signal decoding device, digital signal arithmetic encoding method and digital signal arithmetic decoding method
MITSUBISHI ELECTRIC CORP67 citations99
US7013051B2Mar 14, 2006
Method of image feature coding and method of image search
MITSUBISHI ELECTRIC CORP150 citations99
US6862320B1Mar 1, 2005
Image decoder, image encoder, image communication system, and encoded bit stream converter
MITSUBISHI ELECTRIC CORP119 citations99
US6798834B1Sep 28, 2004
Image coding apparatus with segment classification and segmentation-type motion prediction circuit
MITSUBISHI ELECTRIC CORP175 citations99
US6611628B1Aug 26, 2003
Method of image feature coding and method of image search
MITSUBISHI ELECTRIC CORP260 citations99
US6493385B1Dec 10, 2002
Image encoding method, image encoder, image decoding method, and image decoder
MITSUBISHI ELECTRIC CORP150 citations99
US6381275B1Apr 30, 2002
Image coding apparatus and image decoding apparatus
MITSUBISHI ELECTRIC CORP174 citations99
US6188794B1Feb 13, 2001
Image signal coding system
MITSUBISHI ELECTRIC CORP101 citations99
US6097759AAug 1, 2000
Image signal coding system
MITSUBISHI ELECTRIC CORP120 citations99
US6018366AJan 25, 2000
Video coding and decoding system and method
MITSUBISHI ELECTRIC CORP464 citations99
US6002439ADec 14, 1999
Image signal coding system
MITSUBISHI ELECTRIC CORP115 citations99
US5990960ANov 23, 1999
Image signal coding system
MITSUBISHI ELECTRIC CORP95 citations99
US4954892ASep 4, 1990
Buffer controlled picture signal encoding and decoding system
MITSUBISHI ELECTRIC CORP173 citations99
US4670851AJun 2, 1987
Vector quantizer
MITSUBISHI ELECTRIC CORP185 citations99
US7826709B2Nov 2, 2010
Metadata editing apparatus, metadata reproduction apparatus, metadata delivery apparatus, metadata search apparatus, metadata re-generation condition setting apparatus, metadata delivery method and hint information description method
MITSUBISHI ELECTRIC CORP52 citations98
US7031965B1Apr 18, 2006
Image retrieving and delivering system and image retrieving and delivering method
MITSUBISHI ELECTRIC CORP136 citations98
US6665442B2Dec 16, 2003
Image retrieval system and image retrieval method
MITSUBISHI ELECTRIC CORP78 citations98
US6108449AAug 22, 2000
Motion picture encoding system and motion picture decoding system
MITSUBISHI ELECTRIC CORP100 citations98
US5926225AJul 20, 1999
Image coder which includes both a short-term frame memory and long-term frame memory in the local decoding loop
MITSUBISHI ELECTRIC CORP145 citations98
US8345968B2Jan 1, 2013
Image encoding device, image decoding device, image encoding method and image decoding method
MITSUBISHI ELECTRIC CORP54 citations97
US7408488B2Aug 5, 2008
Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method
MITSUBISHI ELECTRIC CORP52 citations97
US6307973B2Oct 23, 2001
Image signal coding system
MITSUBISHI ELECTRIC CORP76 citations97
US5970175AOct 19, 1999
Image signal coding system
MITSUBISHI ELECTRIC CORP66 citations97
US5963258AOct 5, 1999
Image signal coding system
MITSUBISHI ELECTRIC CORP67 citations97
US5949489ASep 7, 1999
Image signal coding system
MITSUBISHI ELECTRIC CORP67 citations97
US5274442ADec 28, 1993
Adaptive blocking image signal coding system
MITSUBISHI ELECTRIC CORP82 citations97
US5010401AApr 23, 1991
Picture coding and decoding apparatus using vector quantization
MITSUBISHI ELECTRIC CORP203 citations97
US7991237B2Aug 2, 2011
Image encoding device, image decoding device, image encoding method and image decoding method
MITSUBISHI ELECTRIC CORP33 citations96
US7321323B2Jan 22, 2008
Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method
MITSUBISHI ELECTRIC CORP39 citations96
US6775326B2Aug 10, 2004
Moving image estimating system
MITSUBISHI ELECTRIC CORP61 citations96
US6442207B1Aug 27, 2002
Image coded data re-encoding apparatus without once decoding the original image coded data
MITSUBISHI ELECTRIC CORP46 citations96
US6404815B1Jun 11, 2002
Image encoder, image decoder, image encoding method, image decoding method and image encoding/decoding system
MITSUBISHI ELECTRIC CORP42 citations96
US6385343B1May 7, 2002
Image decoding device and image encoding device
MITSUBISHI ELECTRIC CORP58 citations96
US5715008AFeb 3, 1998
Motion image decoding method and apparatus for judging contamination regions
MITSUBISHI ELECTRIC CORP59 citations96
US5638127AJun 10, 1997
Adaptive blocking image signal coding system
MITSUBISHI ELECTRIC CORP21 citations96
US5428693AJun 27, 1995
Motion compensation predicting coding method and apparatus
MITSUBISHI ELECTRIC CORP51 citations96
US5086439AFeb 4, 1992
Encoding/decoding system utilizing local properties
MITSUBISHI ELECTRIC CORP75 citations96
US5025482AJun 18, 1991
Image transformation coding device with adaptive quantization characteristic selection
MITSUBISHI ELECTRIC CORP90 citations96
US4560977ADec 24, 1985
Vector quantizer
MITSUBISHI ELECTRIC CORP86 citations96
US8369404B2Feb 5, 2013
Moving image decoding device and moving image decoding method
MITSUBISHI ELECTRIC CORP34 citations93
US8054889B2Nov 8, 2011
Image decoding apparatus
MITSUBISHI ELECTRIC CORP11 citations93
US7928869B2Apr 19, 2011
Digital signal coding method and apparatus, digital signal decoding apparatus, ditigal signal arithmetic coding method and digital signal arithmetic decoding method
MITSUBISHI ELECTRIC CORP12 citations93
US7518537B2Apr 14, 2009
Decoding apparatus and decoding method
MITSUBISHI ELECTRIC CORP16 citations93
US7388526B2Jun 17, 2008
Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding method
MITSUBISHI ELECTRIC CORP16 citations93
US7110456B2Sep 19, 2006
Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding system
MITSUBISHI ELECTRIC CORP11 citations93
US6633611B2Oct 14, 2003
Method and apparatus for region-based moving image encoding and decoding
MITSUBISHI ELECTRIC CORP46 citations93
USRE37858ESep 24, 2002
Motion compensation predicting encoding method and apparatus
MITSUBISHI ELECTRIC CORP25 citations93
US6301301B1Oct 9, 2001
Apparatus and method for coding and decoding a moving image
MITSUBISHI ELECTRIC CORP44 citations93
SEKIGUCHI SHUNICHI
1 patentShowing the top 50 of 153 patents by PatentIndex Score.