SE9703233D0 - Image signal processing method and apparatus - Google Patents
Image signal processing method and apparatusInfo
- Publication number
- SE9703233D0 SE9703233D0 SE9703233A SE9703233A SE9703233D0 SE 9703233 D0 SE9703233 D0 SE 9703233D0 SE 9703233 A SE9703233 A SE 9703233A SE 9703233 A SE9703233 A SE 9703233A SE 9703233 D0 SE9703233 D0 SE 9703233D0
- Authority
- SE
- Sweden
- Prior art keywords
- image
- image signal
- image quality
- pixel coefficients
- signal
- Prior art date
Links
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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- H04N19/10—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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/18—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 set of transform coefficients
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703233A SE512832C2 (sv) | 1997-09-08 | 1997-09-08 | Anordning och förfarande för bearbetning av en bildsignal |
EP98943163A EP1013095A2 (en) | 1997-09-08 | 1998-09-08 | Image signal processing method and apparatus |
AU91015/98A AU9101598A (en) | 1997-09-08 | 1998-09-08 | Image signal processing method and apparatus |
PCT/SE1998/001597 WO1999013646A2 (en) | 1997-09-08 | 1998-09-08 | Image signal processing method and apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9703233A SE512832C2 (sv) | 1997-09-08 | 1997-09-08 | Anordning och förfarande för bearbetning av en bildsignal |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9703233D0 true SE9703233D0 (sv) | 1997-09-08 |
SE9703233L SE9703233L (sv) | 1999-03-09 |
SE512832C2 SE512832C2 (sv) | 2000-05-22 |
Family
ID=20408177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9703233A SE512832C2 (sv) | 1997-09-08 | 1997-09-08 | Anordning och förfarande för bearbetning av en bildsignal |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1013095A2 (sv) |
AU (1) | AU9101598A (sv) |
SE (1) | SE512832C2 (sv) |
WO (1) | WO1999013646A2 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI367457B (en) * | 2006-07-03 | 2012-07-01 | Nippon Telegraph & Telephone | Image processing method and apparatus, image processing program, and storage medium for storing the program |
ES2698826T3 (es) * | 2006-12-28 | 2019-02-06 | Nippon Telegraph & Telephone | Método y dispositivo de procesamiento de vídeo, programa de procesamiento de vídeo y medio de almacenamiento que contiene el programa |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5079621A (en) * | 1990-06-29 | 1992-01-07 | Eastman Kodak Company | Dct transform compression, transmission and recovery of digital color using virtual filtering mechanism |
JPH04356886A (ja) * | 1991-05-20 | 1992-12-10 | Seiko Epson Corp | 画像データ圧縮装置 |
EP0514663A3 (en) * | 1991-05-24 | 1993-07-14 | International Business Machines Corporation | An apparatus and method for motion video encoding employing an adaptive quantizer |
JPH04368088A (ja) * | 1991-06-14 | 1992-12-21 | Kokusai Denshin Denwa Co Ltd <Kdd> | 動画像直交変換方式における交流成分の適応符号化方式 |
AU3274593A (en) * | 1991-12-13 | 1993-07-19 | Avid Technology, Inc. | Quantization table adjustment |
US5706216A (en) * | 1995-07-28 | 1998-01-06 | Reisch; Michael L. | System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain |
-
1997
- 1997-09-08 SE SE9703233A patent/SE512832C2/sv not_active IP Right Cessation
-
1998
- 1998-09-08 WO PCT/SE1998/001597 patent/WO1999013646A2/en active Search and Examination
- 1998-09-08 EP EP98943163A patent/EP1013095A2/en not_active Withdrawn
- 1998-09-08 AU AU91015/98A patent/AU9101598A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1999013646A3 (en) | 1999-05-27 |
AU9101598A (en) | 1999-03-29 |
SE9703233L (sv) | 1999-03-09 |
SE512832C2 (sv) | 2000-05-22 |
WO1999013646A2 (en) | 1999-03-18 |
EP1013095A2 (en) | 2000-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |