ES2376540T3 - Compresión de imagen por dct de tamaño de bloque adaptativo en base a la varianza. - Google Patents

Compresión de imagen por dct de tamaño de bloque adaptativo en base a la varianza. Download PDF

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Publication number
ES2376540T3
ES2376540T3 ES00977131T ES00977131T ES2376540T3 ES 2376540 T3 ES2376540 T3 ES 2376540T3 ES 00977131 T ES00977131 T ES 00977131T ES 00977131 T ES00977131 T ES 00977131T ES 2376540 T3 ES2376540 T3 ES 2376540T3
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ES
Spain
Prior art keywords
block
variance
data
pixel data
pixel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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ES00977131T
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English (en)
Spanish (es)
Inventor
Kadayam Thyagarajan
Michael J. Merritt
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Qualcomm Inc
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Qualcomm Inc
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Publication of ES2376540T3 publication Critical patent/ES2376540T3/es
Anticipated expiration legal-status Critical
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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES00977131T 1999-11-08 2000-11-08 Compresión de imagen por dct de tamaño de bloque adaptativo en base a la varianza. Expired - Lifetime ES2376540T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/436,085 US6529634B1 (en) 1999-11-08 1999-11-08 Contrast sensitive variance based adaptive block size DCT image compression
US436085 1999-11-08
PCT/US2000/030883 WO2001035673A1 (en) 1999-11-08 2000-11-08 Variance based adaptive block size dct image compression

Publications (1)

Publication Number Publication Date
ES2376540T3 true ES2376540T3 (es) 2012-03-14

Family

ID=23731055

Family Applications (1)

Application Number Title Priority Date Filing Date
ES00977131T Expired - Lifetime ES2376540T3 (es) 1999-11-08 2000-11-08 Compresión de imagen por dct de tamaño de bloque adaptativo en base a la varianza.

Country Status (17)

Country Link
US (1) US6529634B1 (enExample)
EP (1) EP1230804B1 (enExample)
JP (2) JP5289659B2 (enExample)
KR (1) KR100740818B1 (enExample)
CN (1) CN1186942C (enExample)
AR (1) AR033655A1 (enExample)
AT (1) ATE538598T1 (enExample)
AU (1) AU782176B2 (enExample)
BR (1) BR0015341B1 (enExample)
CA (1) CA2389410C (enExample)
ES (1) ES2376540T3 (enExample)
IL (2) IL149455A0 (enExample)
MX (1) MXPA02004577A (enExample)
RU (1) RU2273112C2 (enExample)
TW (1) TW517500B (enExample)
WO (1) WO2001035673A1 (enExample)
ZA (1) ZA200203276B (enExample)

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Also Published As

Publication number Publication date
JP5384696B2 (ja) 2014-01-08
CA2389410C (en) 2011-06-28
BR0015341A (pt) 2003-07-15
JP2003523652A (ja) 2003-08-05
EP1230804A1 (en) 2002-08-14
AR033655A1 (es) 2004-01-07
AU1481101A (en) 2001-06-06
HK1053565A1 (en) 2003-10-24
MXPA02004577A (es) 2002-11-29
EP1230804B1 (en) 2011-12-21
KR20030036129A (ko) 2003-05-09
WO2001035673A1 (en) 2001-05-17
BR0015341B1 (pt) 2015-01-06
KR100740818B1 (ko) 2007-07-19
US6529634B1 (en) 2003-03-04
CA2389410A1 (en) 2001-05-17
CN1421102A (zh) 2003-05-28
AU782176B2 (en) 2005-07-07
JP2012199963A (ja) 2012-10-18
TW517500B (en) 2003-01-11
ZA200203276B (en) 2003-07-24
IL149455A (en) 2007-07-04
RU2273112C2 (ru) 2006-03-27
CN1186942C (zh) 2005-01-26
ATE538598T1 (de) 2012-01-15
JP5289659B2 (ja) 2013-09-11
IL149455A0 (en) 2002-11-10

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