JP4495743B2 - 映像の復号化方法 - Google Patents
映像の復号化方法 Download PDFInfo
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- JP4495743B2 JP4495743B2 JP2007098922A JP2007098922A JP4495743B2 JP 4495743 B2 JP4495743 B2 JP 4495743B2 JP 2007098922 A JP2007098922 A JP 2007098922A JP 2007098922 A JP2007098922 A JP 2007098922A JP 4495743 B2 JP4495743 B2 JP 4495743B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
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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
- H04N19/102—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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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
- H04N19/102—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
- H04N19/124—Quantisation
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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
- H04N19/102—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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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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
- H04N19/134—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
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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
- H04N19/134—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
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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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
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- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
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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
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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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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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
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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
- H04N19/179—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 scene or a shot
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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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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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
- H04N19/46—Embedding additional information in the video signal during the compression process
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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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
- H04N19/60—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
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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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
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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
- H04N19/90—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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Discrete Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Description
145 予測符号化部
150 変換符号化部
155 適応的量子化部
160 エントロピ符号化部
250 注目領域
260 背景領域
300’ 補間領域
300 画質構成部(画質モデリング部)
310 エントロピ復号化部
320 適応的逆量子化部
330 映像復元部
340 映像構成部
500 映像
502、503 四角形領域
504 背景領域
510、520 左上位置情報
511、521 右下位置情報
600 映像
603、604、605 四角形領域
606 背景領域
610、620、630 左上位置情報
611、621、631 右下位置情報
1000 発明に係る映像の符号化装置
1100 スライスモデリング部
1200 ピクチュアヘッダ符号化部
1300 スライス符号化部
1310 空間/時間予測符号化部
1320 変換及び量子化部
1330 エントロピ符号化部
2000 ピクチュアヘッダ復号化部
2100 スライス構成部
2200 スライス復号化部
2300 映像構成部
2210 エントロピ復号化部
2220 逆量子化及び逆変換部
2230 映像復元部
Claims (1)
- ビット列でピクチュアヘッダを復号化するピクチュアヘッダ復号化部と、
復号化された前記ピクチュアヘッダに含まれた前記各スライスの位置情報を利用して前記各スライスを構成するスライス構成部と、
復号化された前記ピクチュアヘッダを参照してスライス単位で映像を順次に復号化するスライス復号化部と、
復号化された前記スライス単位の映像を一枚の映像に生成する映像構成部と、を備え、
前記ビット列は、各映像に対して注目領域は重なる領域を有する少なくとも2つの四角形領域を含み、各四角形領域は少なくとも1つの独立したスライスで構成し、前記映像で前記少なくとも2つの四角形領域に含まれていない残りの領域を少なくとも1つの独立したスライスで構成し、前記映像をスライス単位で符号化して生成し、前記重なる領域は、重複して復号化されないことを特徴とする映像復号化装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020000602A KR100624404B1 (ko) | 2002-01-05 | 2002-01-05 | 사람의 시각적 특성을 고려한 적응적 부호화 방법 및 장치 |
KR10-2002-0051883A KR100528324B1 (ko) | 2002-08-30 | 2002-08-30 | 겹치는 사각 슬라이스 구조를 이용한 영상 부호화 및 복호화 장치 및 방법 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003000409A Division JP4488679B2 (ja) | 2002-01-05 | 2003-01-06 | 人間の視覚特性を考慮した映像の符号化方法及び復号化方法並びにその装置 |
Publications (2)
Publication Number | Publication Date |
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JP2007228614A JP2007228614A (ja) | 2007-09-06 |
JP4495743B2 true JP4495743B2 (ja) | 2010-07-07 |
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Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
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JP2003000409A Expired - Fee Related JP4488679B2 (ja) | 2002-01-05 | 2003-01-06 | 人間の視覚特性を考慮した映像の符号化方法及び復号化方法並びにその装置 |
JP2006210024A Expired - Fee Related JP4495702B2 (ja) | 2002-01-05 | 2006-08-01 | 人間の視覚特性を考慮した映像の復号化方法 |
JP2006210023A Expired - Fee Related JP4495701B2 (ja) | 2002-01-05 | 2006-08-01 | 人間の視覚特性を考慮した映像の符号化方法、及び、記録媒体 |
JP2007098922A Expired - Lifetime JP4495743B2 (ja) | 2002-01-05 | 2007-04-04 | 映像の復号化方法 |
JP2008000214A Pending JP2008125118A (ja) | 2002-01-05 | 2008-01-04 | 人間の視覚特性を考慮した映像の符号化装置、復号化装置、符号化方法、及び、復号化方法 |
JP2009235782A Expired - Fee Related JP5284920B2 (ja) | 2002-01-05 | 2009-10-09 | 人間の視覚特性を考慮した映像の符号化装置、復号化装置、符号化方法、及び、復号化方法 |
Family Applications Before (3)
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JP2003000409A Expired - Fee Related JP4488679B2 (ja) | 2002-01-05 | 2003-01-06 | 人間の視覚特性を考慮した映像の符号化方法及び復号化方法並びにその装置 |
JP2006210024A Expired - Fee Related JP4495702B2 (ja) | 2002-01-05 | 2006-08-01 | 人間の視覚特性を考慮した映像の復号化方法 |
JP2006210023A Expired - Fee Related JP4495701B2 (ja) | 2002-01-05 | 2006-08-01 | 人間の視覚特性を考慮した映像の符号化方法、及び、記録媒体 |
Family Applications After (2)
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JP2008000214A Pending JP2008125118A (ja) | 2002-01-05 | 2008-01-04 | 人間の視覚特性を考慮した映像の符号化装置、復号化装置、符号化方法、及び、復号化方法 |
JP2009235782A Expired - Fee Related JP5284920B2 (ja) | 2002-01-05 | 2009-10-09 | 人間の視覚特性を考慮した映像の符号化装置、復号化装置、符号化方法、及び、復号化方法 |
Country Status (4)
Country | Link |
---|---|
US (29) | US7277484B2 (ja) |
JP (6) | JP4488679B2 (ja) |
CN (1) | CN1250008C (ja) |
DE (1) | DE10300048B4 (ja) |
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