KR100740818B1 - 분산 기반의 적응형 블록 사이즈 ｄｃｔ 이미지 압축 - Google Patents

분산 기반의 적응형 블록 사이즈 ｄｃｔ 이미지 압축 Download PDF

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KR100740818B1
KR100740818B1 KR1020027005962A KR20027005962A KR100740818B1 KR 100740818 B1 KR100740818 B1 KR 100740818B1 KR 1020027005962 A KR1020027005962 A KR 1020027005962A KR 20027005962 A KR20027005962 A KR 20027005962A KR 100740818 B1 KR100740818 B1 KR 100740818B1
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block
variance
determining
subdivision
pixel
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KR1020027005962A
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Korean (ko)
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KR20030036129A (ko
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싸이아가라잔카다얌
메리트마이클제이
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
KR1020027005962A 1999-11-08 2000-11-08 분산 기반의 적응형 블록 사이즈 ｄｃｔ 이미지 압축 KR100740818B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/436,085 1999-11-08
US09/436,085 US6529634B1 (en) 1999-11-08 1999-11-08 Contrast sensitive variance based adaptive block size DCT image compression
PCT/US2000/030883 WO2001035673A1 (en) 1999-11-08 2000-11-08 Variance based adaptive block size dct image compression

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KR20030036129A KR20030036129A (ko) 2003-05-09
KR100740818B1 true KR100740818B1 (ko) 2007-07-19

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KR (1) KR100740818B1 (US06529634-20030304-M00007.png)
CN (1) CN1186942C (US06529634-20030304-M00007.png)
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AT (1) ATE538598T1 (US06529634-20030304-M00007.png)
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CA (1) CA2389410C (US06529634-20030304-M00007.png)
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HK (1) HK1053565A1 (US06529634-20030304-M00007.png)
IL (2) IL149455A0 (US06529634-20030304-M00007.png)
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CA2389410A1 (en) 2001-05-17
JP2012199963A (ja) 2012-10-18
CN1421102A (zh) 2003-05-28
EP1230804A1 (en) 2002-08-14
WO2001035673A1 (en) 2001-05-17
HK1053565A1 (en) 2003-10-24
CA2389410C (en) 2011-06-28
AR033655A1 (es) 2004-01-07
JP5384696B2 (ja) 2014-01-08
ES2376540T3 (es) 2012-03-14
IL149455A (en) 2007-07-04
ATE538598T1 (de) 2012-01-15
RU2273112C2 (ru) 2006-03-27
ZA200203276B (en) 2003-07-24
BR0015341B1 (pt) 2015-01-06
IL149455A0 (en) 2002-11-10
EP1230804B1 (en) 2011-12-21
US6529634B1 (en) 2003-03-04
CN1186942C (zh) 2005-01-26
JP2003523652A (ja) 2003-08-05
AU782176B2 (en) 2005-07-07
AU1481101A (en) 2001-06-06
BR0015341A (pt) 2003-07-15
MXPA02004577A (es) 2002-11-29
KR20030036129A (ko) 2003-05-09
JP5289659B2 (ja) 2013-09-11
TW517500B (en) 2003-01-11

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