JP5189054B2 - 画像の復号方法 - Google Patents
画像の復号方法 Download PDFInfo
- Publication number
- JP5189054B2 JP5189054B2 JP2009200786A JP2009200786A JP5189054B2 JP 5189054 B2 JP5189054 B2 JP 5189054B2 JP 2009200786 A JP2009200786 A JP 2009200786A JP 2009200786 A JP2009200786 A JP 2009200786A JP 5189054 B2 JP5189054 B2 JP 5189054B2
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- layer image
- image
- calculating
- base layer
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 54
- 230000010363 phase shift Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 56
- 238000001914 filtration Methods 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 6
- 238000003491 array Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 101100125495 Schizosaccharomyces pombe (strain 972 / ATCC 24843) iec1 gene Proteins 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
-
- 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
- H04N19/10—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
- H04N19/186—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 a colour or a chrominance component
-
- 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
- H04N19/187—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 a scalable video layer
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Analysis (AREA)
Description
テクスチャ補間処理の入力は、以下に示す通りである。
・ベース画像(baseL[x, y]) (=-2+xB..(xB1+2), y=-2+ yB..(yB1+2))
・chroma_format_idcがゼロでない場合、
・ベース画像((xCB,yCB),(xCB1,yCB1))の整数色度サンプル位置、
・ベース画像(baseCb[x,y], baseCr[x,y])(=-2 + xCB..(xCB1+2), y=-2 + yCB..(yCB1+2))
テクスチャ補間処理の出力は、以下に示す通りである。
・chroma_format_idcがゼロでない場合、
・2つの輝度サンプルマクロブロックアレイpredCb[x, y]・predCr[x, y] (x=0..MbWidthC-1, y=0..MbHeightC-1)
上記輝度サンプルマクロブロックアレイPredL[x,y] (x=0..15, y = 0..15) は、以下のように算出する。
・色度サンプル(predC[x, y]) (Cは、Cb, Cr を示し、x = 0..MbWidthC-1, y=0..MbHeightC-1を満たす)は、以下のように算出する。
〔テクスチャ補間処理工程:残差(RESIDUAL)〕
テクスチャ補間処理の入力は、以下に示す通りである。
・輝度残差サンプルアレイ(resBaseL[x, y])(x=-xB..xB1, y=yB..yB1)
・chroma_format_idcがゼロでない場合、
・ベース画像 (basePic(xCB, yCB), (xCB1, yCB1))の整数色度サンプル位置
・2つの色度サンプルアレイresBaseCb[x, y]およびresBaseCr[x, y] (x=-2 + xCB..(xCB1+2), y=yCB..yCB1。
・chroma_format_idcがゼロでない場合、
・2つの色度サンプルアレイ(resPredCb[x, y],pesPredCr[x, y]) (x=0..MbWidthC-1, y=0..MbHeightC-1))。
20 低域空間解像度画像
30 パス
33 y位置位相
34 x位置位相
40 ブロック(マクロブロック)
50 ベース空間レイヤ
51 ブロック(マクロブロック)
52 ブロック(マクロブロック)
53 ブロック(マクロブロック)
54 ブロック(マクロブロック)
55 ブロック(マクロブロック)
56 ブロック(マクロブロック)
57 ブロック(マクロブロック)
58 ブロック(マクロブロック)
59 ブロック(マクロブロック)
100 高域空間画像(エンハンスメント空間画像・エンハンスメントレイヤ画像・強調空間レイヤ)
110 Crop領域(空間領域)
140 マクロブロック
200 高低域空間解像度画像
300 パス
Claims (4)
- 複数の画像ブロックから構成されるエンハンスメントレイヤ画像の画素値を、複数の画像ブロックから構成されるベースレイヤ画像を用いて予測する画像の復号方法であって、
前記エンハンスメントレイヤ画像の予測対象ブロックを決定する工程(a)と、
前記エンハンスメントレイヤ画像における前記予測対象ブロックの左上画素(xC, yC)と右下画素に対応する、前記ベースレイヤ画像における左上画素(xCB, yCB)と右下画素(xCB1, yCB1)を算出する工程(b)と、
前記ベースレイヤ画像の画素値のアレイ(baseC[x, y])に基づいて、前記エンハンスメントレイヤ画像の画素値のアレイ(predC[x, y])における前記予測対象ブロックの各画素に対応するエントリを算出する工程(c)と、を含み、
前記工程(c)は、前記エンハンスメントレイヤ画像における前記予測対象ブロックの各画素に対して、一時的な画素値のアレイ(tempC[x, y])のエントリを算出する工程i)として、
前記予測対象ブロックの各画素に対応する前記ベースレイヤ画像のy位置(yfC)を解像度の分数間隔で算出する工程(1)と、
前記y位置(yfC)から、y位置補間中心(yIntC)及びy位置位相(yFracC)を算出する工程(2)と、
前記y位置位相(yFracC)に基づいて第1のフィルタ係数セットを決定する工程(3)と、
前記ベースレイヤ画像の画素値のアレイ(baseC[x, y])におけるy座標が前記y位置補間中心(yIntC)であるエントリを中心として、前記第1のフィルタ係数セットに基づく補間フィルタ処理を適用して、前記一時的な画素値のアレイ(tempC[x, y])のエントリを算出する工程(4)と、を含み、
前記工程(c)は、さらに、前記エンハンスメントレイヤ画像における前記予測対象ブロックの各画素に対応して、前記エンハンスメントレイヤ画像の画素値のアレイ(predC[x, y])のエントリを算出する工程ii)として、
前記予測対象ブロックの各画素に対応する前記ベースレイヤ画像のx位置(xfC)を解像度の分数間隔で算出する工程(1)と、
前記x位置(xfC)から、x位置補間中心(xIntC)及びx位置位相(xFracC)を算出する工程(2)と、
前記x位置位相(xFracC)に基づいて第2のフィルタ係数セットを決定する工程(3)と、
前記一時的な画素値のアレイ(tempC[x, y])におけるx座標が前記x位置補間中心(xIntC)であるエントリを中心として、前記第2のフィルタ係数セットに基づく補間フィルタ処理を適用して、前記エンハンスメントレイヤ画像の画素値のアレイ(predC[x, y])のエントリを算出する工程(4)と、を含み、
前記画素値は画素の色度成分であって、前記工程(b)の算出処理は、前記ベースレイヤ画像の1/4色度サンプルユニットにおける前記ベースレイヤ画像の相対色度位相ずれの補正を含むことを特徴とする画像の復号方法。 - 前記補間フィルタ処理は、前記予測対象ブロックの境界画素の値を計算するときに、前記ベースレイヤ画像における左上画素(xCB, yCB)と右下画素(xCB1, yCB1)で構成される矩形外の画素値を入力として用いることを特徴とする請求項1に記載の画像の復号方法。
- 前記分数間隔は解像度の1/16であって、前記第1及び第2のフィルタ係数セットを決定する工程は、位相に対応づけられる16のインデックスに基づいて、予め計算されたフィルタ係数の表を参照することで行うことを特徴とする請求項2に記載の画像の復号方法。
- 複数の画像ブロックから構成されるベースレイヤ画像の予測値に対する残差に基づいて、複数の画像ブロックから構成されるエンハンスメントレイヤ画像の予測値に対する残差を算出する画像の復号方法であって、
前記エンハンスメントレイヤ画像の予測対象ブロックを決定する工程(a)と、
前記エンハンスメントレイヤ画像における前記予測対象ブロックの左上画素(xC, yC)と右下画素に対応する、前記ベースレイヤ画像における左上画素(xCB, yCB)と右下画素(xCB1, yCB1)を算出する工程(b)と、
前記ベースレイヤ画像の残差のアレイ(resBaseC[x, y])に基づいて、前記エンハンスメントレイヤ画像の残差のアレイ(resPredC[x, y])における前記予測対象ブロックの各画素に対応するエントリを算出する工程(c)と、を含み、
前記工程(c)は、前記エンハンスメントレイヤ画像における前記予測対象ブロックの各画素に対して、一時的な残差のアレイ(tempC[x, y])のエントリを算出する工程i)として、
前記予測対象ブロックの各画素に対応する前記ベースレイヤ画像のy位置(yfC)を解像度の分数間隔で算出する工程(1)と、
前記y位置(yfC)から、y位置補間中心(yIntC)及びy位置位相(yFracC)を算出する工程(2)と、
前記ベースレイヤ画像の残差のアレイ(resBaseC[x, y])におけるy座標が前記y位置補間中心(yIntC)であるエントリを中心として、前記y位置位相(yFracC)に基づく補間フィルタ処理を適用して、前記一時的な残差のアレイ(tempC[x, y])のエントリを算出する工程(3)と、を含み、
前記工程(c)は、さらに、前記エンハンスメントレイヤ画像における前記予測対象ブロックの各画素に対応して、前記エンハンスメントレイヤ画像の残差のアレイ(resPredC[x, y])のエントリを算出する工程ii)として、
前記予測対象ブロックの各画素に対応する前記ベースレイヤ画像のx位置(xfC)を解像度の分数間隔で算出する工程(1)と、
前記x位置(xfC)から、x位置補間中心(xIntC)及びx位置位相(xFracC)を算出する工程(2)と、
前記一時的な残差のアレイ(tempC[x, y])におけるx座標が前記x位置補間中心(xIntC)であるエントリを中心として、前記x位置位相(xFracC)に基づく補間フィルタ処理を適用して、前記エンハンスメントレイヤ画像の残差のアレイ(resPredC[x, y])のエントリを算出する工程(3)と、を含み、
前記残差は画素の色度成分の残差であって、前記工程(b)の算出処理は、前記ベースレイヤ画像の1/4色度サンプルユニットにおける前記ベースレイヤ画像の相対色度位相ずれの補正を含むことを特徴とする画像の復号方法。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66316105P | 2005-03-18 | 2005-03-18 | |
US60/663,161 | 2005-03-18 | ||
US68306005P | 2005-05-20 | 2005-05-20 | |
US60/683,060 | 2005-05-20 | ||
US68667605P | 2005-06-01 | 2005-06-01 | |
US60/686,676 | 2005-06-01 | ||
US11/347,539 | 2006-02-03 | ||
US11/347,539 US8175168B2 (en) | 2005-03-18 | 2006-02-03 | Methods and systems for picture up-sampling |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008501901A Division JP2008533908A (ja) | 2005-03-18 | 2006-02-28 | 画像アップサンプリング方法およびシステム |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010022020A JP2010022020A (ja) | 2010-01-28 |
JP2010022020A5 JP2010022020A5 (ja) | 2010-09-16 |
JP5189054B2 true JP5189054B2 (ja) | 2013-04-24 |
Family
ID=37010409
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008501901A Pending JP2008533908A (ja) | 2005-03-18 | 2006-02-28 | 画像アップサンプリング方法およびシステム |
JP2009200786A Active JP5189054B2 (ja) | 2005-03-18 | 2009-08-31 | 画像の復号方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008501901A Pending JP2008533908A (ja) | 2005-03-18 | 2006-02-28 | 画像アップサンプリング方法およびシステム |
Country Status (6)
Country | Link |
---|---|
US (2) | US8175168B2 (ja) |
EP (1) | EP1859388A4 (ja) |
JP (2) | JP2008533908A (ja) |
KR (1) | KR100937272B1 (ja) |
CN (2) | CN102075755A (ja) |
WO (1) | WO2006101681A2 (ja) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9071847B2 (en) | 2004-10-06 | 2015-06-30 | Microsoft Technology Licensing, Llc | Variable coding resolution in video codec |
US8243820B2 (en) * | 2004-10-06 | 2012-08-14 | Microsoft Corporation | Decoding variable coded resolution video with native range/resolution post-processing operation |
JP4839035B2 (ja) * | 2005-07-22 | 2011-12-14 | オリンパス株式会社 | 内視鏡用処置具および内視鏡システム |
CN1859576A (zh) * | 2005-10-11 | 2006-11-08 | 华为技术有限公司 | 对空间分层编码视频图象的上采样方法及其系统 |
US7956930B2 (en) | 2006-01-06 | 2011-06-07 | Microsoft Corporation | Resampling and picture resizing operations for multi-resolution video coding and decoding |
US20070160134A1 (en) * | 2006-01-10 | 2007-07-12 | Segall Christopher A | Methods and Systems for Filter Characterization |
CN1794821A (zh) * | 2006-01-11 | 2006-06-28 | 浙江大学 | 可分级视频压缩中插值的方法与装置 |
US8014445B2 (en) * | 2006-02-24 | 2011-09-06 | Sharp Laboratories Of America, Inc. | Methods and systems for high dynamic range video coding |
US8194997B2 (en) * | 2006-03-24 | 2012-06-05 | Sharp Laboratories Of America, Inc. | Methods and systems for tone mapping messaging |
US8130822B2 (en) * | 2006-07-10 | 2012-03-06 | Sharp Laboratories Of America, Inc. | Methods and systems for conditional transform-domain residual accumulation |
US8059714B2 (en) * | 2006-07-10 | 2011-11-15 | Sharp Laboratories Of America, Inc. | Methods and systems for residual layer scaling |
US7840078B2 (en) * | 2006-07-10 | 2010-11-23 | Sharp Laboratories Of America, Inc. | Methods and systems for image processing control based on adjacent block characteristics |
US8422548B2 (en) * | 2006-07-10 | 2013-04-16 | Sharp Laboratories Of America, Inc. | Methods and systems for transform selection and management |
US8532176B2 (en) * | 2006-07-10 | 2013-09-10 | Sharp Laboratories Of America, Inc. | Methods and systems for combining layers in a multi-layer bitstream |
US7885471B2 (en) * | 2006-07-10 | 2011-02-08 | Sharp Laboratories Of America, Inc. | Methods and systems for maintenance and use of coded block pattern information |
US8548056B2 (en) * | 2007-01-08 | 2013-10-01 | Qualcomm Incorporated | Extended inter-layer coding for spatial scability |
US8233536B2 (en) | 2007-01-23 | 2012-07-31 | Sharp Laboratories Of America, Inc. | Methods and systems for multiplication-free inter-layer image prediction |
US8503524B2 (en) * | 2007-01-23 | 2013-08-06 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction |
US8665942B2 (en) * | 2007-01-23 | 2014-03-04 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction signaling |
US7826673B2 (en) * | 2007-01-23 | 2010-11-02 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction with color-conversion |
US7760949B2 (en) | 2007-02-08 | 2010-07-20 | Sharp Laboratories Of America, Inc. | Methods and systems for coding multiple dynamic range images |
US8767834B2 (en) | 2007-03-09 | 2014-07-01 | Sharp Laboratories Of America, Inc. | Methods and systems for scalable-to-non-scalable bit-stream rewriting |
US8107571B2 (en) * | 2007-03-20 | 2012-01-31 | Microsoft Corporation | Parameterized filters and signaling techniques |
US8014613B2 (en) * | 2007-04-16 | 2011-09-06 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image parameter prediction |
US8175158B2 (en) * | 2008-01-04 | 2012-05-08 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction parameter determination |
WO2009104639A1 (ja) * | 2008-02-20 | 2009-08-27 | 日本電気株式会社 | 映像配信装置、映像配信システム及び映像配信方法 |
WO2009116619A1 (ja) * | 2008-03-21 | 2009-09-24 | 日本電気株式会社 | 映像再生装置、映像配信装置、映像配信システムおよびプログラム |
CN101715125B (zh) * | 2009-09-11 | 2011-09-28 | 中山大学 | 一种用于h.264视频编码的联合分数点运动估计和插值方法 |
US8805100B2 (en) * | 2010-06-03 | 2014-08-12 | Sharp Kabushiki Kaisha | Filter device, image decoding device, image encoding device, and filter parameter data structure |
US8948248B2 (en) * | 2011-07-21 | 2015-02-03 | Luca Rossato | Tiered signal decoding and signal reconstruction |
JP2014531807A (ja) | 2011-09-09 | 2014-11-27 | パナモーフ, インコーポレイテッドPanamorph, Inc. | 画像処理システム及び方法 |
CN108696752B (zh) | 2011-09-20 | 2021-07-27 | Lg 电子株式会社 | 用于编码/解码图像信息的方法和装置 |
US9860530B2 (en) * | 2011-10-14 | 2018-01-02 | Hfi Innovation Inc. | Method and apparatus for loop filtering |
US20150326886A1 (en) * | 2011-10-14 | 2015-11-12 | Mediatek Inc. | Method and apparatus for loop filtering |
HUE064046T2 (hu) | 2011-11-04 | 2024-02-28 | Lg Electronics Inc | Eljárás és berendezés video információ kódolására/dekódolására |
JPWO2013150838A1 (ja) * | 2012-04-05 | 2015-12-17 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
JP2013243636A (ja) * | 2012-04-24 | 2013-12-05 | Sharp Corp | 画像復号装置および画像符号化装置 |
CN104620587B (zh) | 2012-07-06 | 2018-04-03 | 三星电子株式会社 | 用于对多层视频进行编码的方法和设备以及用于对多层视频进行解码的方法和设备 |
US10448032B2 (en) | 2012-09-04 | 2019-10-15 | Qualcomm Incorporated | Signaling of down-sampling location information in scalable video coding |
US9350899B2 (en) | 2012-09-14 | 2016-05-24 | Qualcomm Incorporated | Methods and device for efficient resampling and resizing of digital images |
US9124899B2 (en) | 2012-09-28 | 2015-09-01 | Sharp Laboratories Of America, Inc. | Motion derivation and coding for scaling video |
TWI521946B (zh) * | 2012-12-21 | 2016-02-11 | 杜比實驗室特許公司 | 在高位元深度視訊的可適性編碼中,高精度升取樣 |
CN103916649B (zh) * | 2012-12-31 | 2017-03-15 | 展讯通信(上海)有限公司 | 一种图像处理方法和装置、系统 |
CN104885457B (zh) | 2013-01-02 | 2017-03-29 | 杜比实验室特许公司 | 用于视频信号的向后兼容编码和解码的方法和装置 |
US9961365B2 (en) | 2013-01-04 | 2018-05-01 | Samsung Electronics Co., Ltd. | Scalable video encoding method and apparatus using image up-sampling in consideration of phase-shift and scalable video decoding method and apparatus |
US9584808B2 (en) * | 2013-02-22 | 2017-02-28 | Qualcomm Incorporated | Device and method for scalable coding of video information |
EP2961167A4 (en) * | 2013-02-25 | 2016-08-10 | Samsung Electronics Co Ltd | DEVICE AND METHOD FOR EVOLVING VIDEO ENCODING USING MEMORY BANDWIDTH AND QUANTITY OF CALCULATION, AND DEVICE AND METHOD FOR EVOLVING VIDEO DECODING |
WO2014189300A1 (ko) * | 2013-05-24 | 2014-11-27 | 주식회사 케이티 | 복수의 레이어를 지원하는 비디오 코딩 방법 및 장치 |
KR20140138538A (ko) | 2013-05-24 | 2014-12-04 | 주식회사 케이티 | 복수의 레이어를 지원하는 비디오 코딩 방법 및 장치 |
US9635371B2 (en) * | 2013-05-31 | 2017-04-25 | Qualcomm Incorporated | Determining rounding offset using scaling factor in picture resampling |
KR101712108B1 (ko) * | 2013-07-16 | 2017-03-03 | 삼성전자 주식회사 | 비트 뎁스 및 컬러 포맷의 변환을 동반하는 업샘플링 필터를 이용하는 스케일러블 비디오 부호화 방법 및 장치, 스케일러블 비디오 복호화 방법 및 장치 |
US10136147B2 (en) | 2014-06-11 | 2018-11-20 | Dolby Laboratories Licensing Corporation | Efficient transcoding for backward-compatible wide dynamic range codec |
GB201500719D0 (en) * | 2015-01-15 | 2015-03-04 | Barco Nv | Method for chromo reconstruction |
KR102440941B1 (ko) | 2015-03-03 | 2022-09-05 | 삼성전자주식회사 | 이미지 처리 정보에 따라 크기와 방향을 갖는 초기 위상을 계산할 수 있는 이미지 처리 장치들 |
US10609372B2 (en) * | 2017-09-29 | 2020-03-31 | Dolby Laboratories Licensing Corporation | Up-conversion to content adaptive perceptual quantization video signals |
MX2021002093A (es) | 2018-08-24 | 2021-04-28 | Samsung Electronics Co Ltd | Metodo y aparato de decodificacion de videos y metodo y aparato de codificacion de video. |
CN111200755A (zh) * | 2018-11-20 | 2020-05-26 | 晨星半导体股份有限公司 | 影像像素提升装置与方法 |
US11620775B2 (en) | 2020-03-30 | 2023-04-04 | Panamorph, Inc. | Method of displaying a composite image on an image display |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69028772T2 (de) * | 1990-07-11 | 1997-04-03 | Philips Electronics Nv | Vorrichtung zur Ableitung eines kompatiblen Zeilensprungfernsehsignals mit geringer Auflösung und anderen Komponenten eines hochauflösenden Zeilensprungfernsehsignals sowie Vorrichtung zur Wiederherstellung des Originalsignals |
JPH07107464A (ja) | 1993-10-01 | 1995-04-21 | Hitachi Ltd | 画像符号化装置および復号化装置 |
JPH07212761A (ja) | 1994-01-17 | 1995-08-11 | Toshiba Corp | 階層符号化装置及び階層復号化装置 |
US6957350B1 (en) * | 1996-01-30 | 2005-10-18 | Dolby Laboratories Licensing Corporation | Encrypted and watermarked temporal and resolution layering in advanced television |
JP3596194B2 (ja) | 1996-10-29 | 2004-12-02 | ソニー株式会社 | 画像処理装置および方法 |
US6173013B1 (en) | 1996-11-08 | 2001-01-09 | Sony Corporation | Method and apparatus for encoding enhancement and base layer image signals using a predicted image signal |
EP0901734B1 (en) | 1997-03-12 | 2004-02-18 | Matsushita Electric Industrial Co., Ltd. | Mpeg decoder providing multiple standard output signals |
EP1152622B9 (en) | 1997-04-01 | 2009-09-09 | Sony Corporation | Image encoder, image encoding method, image decoder, image decoding method, and distribution media |
JPH1132287A (ja) | 1997-07-08 | 1999-02-02 | Fuji Photo Film Co Ltd | 画像ファイル作成方法および装置 |
JP2000075854A (ja) | 1998-06-18 | 2000-03-14 | Matsushita Electric Ind Co Ltd | 画像処理装置、およびこれを用いたディスプレイ装置 |
JP2000036032A (ja) | 1998-07-17 | 2000-02-02 | Fujitsu Ltd | 前景画像抽出方法、画像処理装置、自動トリミング装置、記録媒体及び肖像写真装置 |
EP1279111A4 (en) * | 2000-04-07 | 2005-03-23 | Dolby Lab Licensing Corp | IMPROVED TIME AND RESOLUTION STRUCTURE FOR ADVANCED TELEVISION |
US6873655B2 (en) | 2001-01-09 | 2005-03-29 | Thomson Licensing A.A. | Codec system and method for spatially scalable video data |
KR100783396B1 (ko) * | 2001-04-19 | 2007-12-10 | 엘지전자 주식회사 | 부호기의 서브밴드 분할을 이용한 시공간 스케일러빌러티방법 |
US6950469B2 (en) | 2001-09-17 | 2005-09-27 | Nokia Corporation | Method for sub-pixel value interpolation |
FI20012115A (fi) | 2001-11-01 | 2003-05-02 | Oplayo Oy | Kuvan interpolointi |
WO2004073312A1 (en) * | 2003-02-17 | 2004-08-26 | Koninklijke Philips Electronics N.V. | Video coding |
CN1272734C (zh) * | 2004-05-20 | 2006-08-30 | 上海交通大学 | 基于非负矩阵分解的相关反馈图像检索方法 |
WO2006087314A1 (en) | 2005-02-18 | 2006-08-24 | Thomson Licensing | Method for deriving coding information for high resolution images from low resoluton images and coding and decoding devices implementing said method |
-
2006
- 2006-02-03 US US11/347,539 patent/US8175168B2/en active Active
- 2006-02-28 KR KR1020077023189A patent/KR100937272B1/ko active IP Right Grant
- 2006-02-28 CN CN2011100294497A patent/CN102075755A/zh active Pending
- 2006-02-28 CN CN2006800086650A patent/CN101513053B/zh active Active
- 2006-02-28 EP EP06736424A patent/EP1859388A4/en not_active Withdrawn
- 2006-02-28 WO PCT/US2006/007104 patent/WO2006101681A2/en active Application Filing
- 2006-02-28 JP JP2008501901A patent/JP2008533908A/ja active Pending
-
2009
- 2009-08-31 JP JP2009200786A patent/JP5189054B2/ja active Active
-
2012
- 2012-05-01 US US13/461,538 patent/US8670489B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20070116872A (ko) | 2007-12-11 |
KR100937272B1 (ko) | 2010-01-18 |
US20120213296A1 (en) | 2012-08-23 |
EP1859388A2 (en) | 2007-11-28 |
WO2006101681A3 (en) | 2009-04-16 |
JP2008533908A (ja) | 2008-08-21 |
CN101513053B (zh) | 2011-04-06 |
US20060210185A1 (en) | 2006-09-21 |
WO2006101681A2 (en) | 2006-09-28 |
US8670489B2 (en) | 2014-03-11 |
US8175168B2 (en) | 2012-05-08 |
CN101513053A (zh) | 2009-08-19 |
CN102075755A (zh) | 2011-05-25 |
EP1859388A4 (en) | 2010-09-08 |
JP2010022020A (ja) | 2010-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5189054B2 (ja) | 画像の復号方法 | |
JP4751928B2 (ja) | 拡張された空間スケーラビティにおける画像レベルの適応化方法およびシステム | |
JP7323578B2 (ja) | ベース層からの予測のためのサブブロックのサブ分割の導出を使用するスケーラブルビデオ符号化 | |
US8264968B2 (en) | Inter-layer prediction method for video signal | |
US20070140354A1 (en) | Methods and Systems for Block-Based Residual Upsampling | |
US20110116549A1 (en) | Methods and systems for reducing blocking artifacts with reduced complexity for spatially-scalable video coding | |
US11102474B2 (en) | Devices and methods for intra prediction video coding based on a plurality of reference pixel values | |
US20070031065A1 (en) | Methods and Systems for Upsampling Filter Design | |
JP2012521735A (ja) | 多層映像配信のための適応補間フィルタ | |
JP2009502089A (ja) | 映像信号のエンコーディング及びデコーディング方法 | |
KR20130124539A (ko) | 화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법 및 화상 복호 방법 | |
WO2007042365A1 (en) | Method and apparatus for reconstructing the texture of a spatial enhancement-layer video picture | |
Lee et al. | A high performance and low complexity sampling-based intra coding method for H. 264/AVC | |
Bharanitharan | Efficient spatial scalability algorithm for H. 264/SVC encoders |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100802 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120131 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120416 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120828 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121025 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121225 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130123 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160201 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5189054 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |