DE69525313T2 - Verfahren zum Vermindern von während einer Bilddatendekodierung erzeugtem Mückenrauschen und Vorrichtung zur Dekodierung von ein solches Verfahren verwendenden Bilddaten - Google Patents
Verfahren zum Vermindern von während einer Bilddatendekodierung erzeugtem Mückenrauschen und Vorrichtung zur Dekodierung von ein solches Verfahren verwendenden BilddatenInfo
- Publication number
- DE69525313T2 DE69525313T2 DE69525313T DE69525313T DE69525313T2 DE 69525313 T2 DE69525313 T2 DE 69525313T2 DE 69525313 T DE69525313 T DE 69525313T DE 69525313 T DE69525313 T DE 69525313T DE 69525313 T2 DE69525313 T2 DE 69525313T2
- Authority
- DE
- Germany
- Prior art keywords
- frequency components
- image data
- high frequency
- control signal
- block
- 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
Links
- 238000000034 method Methods 0.000 title claims description 81
- 241000255925 Diptera Species 0.000 title description 19
- 238000013139 quantization Methods 0.000 claims description 149
- 230000000694 effects Effects 0.000 claims description 58
- 230000004048 modification Effects 0.000 claims description 36
- 238000012986 modification Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 13
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 6
- 230000008030 elimination Effects 0.000 claims 2
- 238000003379 elimination reaction Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 24
- 230000008569 process Effects 0.000 description 19
- 230000006835 compression Effects 0.000 description 16
- 238000007906 compression Methods 0.000 description 16
- 230000003044 adaptive effect Effects 0.000 description 12
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 10
- 101000969688 Homo sapiens Macrophage-expressed gene 1 protein Proteins 0.000 description 8
- 102100021285 Macrophage-expressed gene 1 protein Human genes 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- 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
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6314162A JP2900808B2 (ja) | 1994-11-24 | 1994-11-24 | 画像データの復号化時に生じるモスキートノイズの低減方法及び画像データの復号化装置 |
| JP3014495A JP2900815B2 (ja) | 1995-01-26 | 1995-01-26 | 適応コアリング方法及び適応コアリング装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69525313D1 DE69525313D1 (de) | 2002-03-21 |
| DE69525313T2 true DE69525313T2 (de) | 2002-11-14 |
Family
ID=26368430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69525313T Expired - Lifetime DE69525313T2 (de) | 1994-11-24 | 1995-11-23 | Verfahren zum Vermindern von während einer Bilddatendekodierung erzeugtem Mückenrauschen und Vorrichtung zur Dekodierung von ein solches Verfahren verwendenden Bilddaten |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100217148B1 (enrdf_load_stackoverflow) |
| DE (1) | DE69525313T2 (enrdf_load_stackoverflow) |
| TW (1) | TW279298B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3791003B2 (ja) * | 2001-05-21 | 2006-06-28 | ソニー株式会社 | 画像処理装置および方法、記録媒体、並びにプログラム |
-
1995
- 1995-11-22 TW TW084112432A patent/TW279298B/zh not_active IP Right Cessation
- 1995-11-23 DE DE69525313T patent/DE69525313T2/de not_active Expired - Lifetime
- 1995-11-24 KR KR1019950043476A patent/KR100217148B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| TW279298B (enrdf_load_stackoverflow) | 1996-06-21 |
| DE69525313D1 (de) | 2002-03-21 |
| KR100217148B1 (ko) | 1999-09-01 |
| KR960020538A (ko) | 1996-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69525312T2 (de) | Verfahren und Vorrichtung zum Dekodieren von Bilddaten | |
| DE69324958T2 (de) | Kompression und Dekompression von Bildern | |
| DE69226160T2 (de) | Vorrichtung zur Kompressionskodierung von Videosignalen | |
| DE69324090T2 (de) | Intraframefilter für Bildkompressionssysteme | |
| DE69228442T2 (de) | Verfahren und vorrichtung zur bilddatenkompression durch luminanz/chrominanz-kodierung | |
| DE69032177T2 (de) | Kodierungsgerät | |
| DE69222332T2 (de) | Kodierungsgerät zur Kompression von bewegten Bilddaten | |
| DE69321896T2 (de) | Gerät und Verfahren zur Verarbeitung von digitalen Bildsignalen | |
| DE69223560T2 (de) | Einrichtung zur Verminderung von Quantisierungsstörungen in einem Zwischenbild-Hybrid-Kodierungssystem mit Bewegungskompensation | |
| DE69326366T2 (de) | Verfahren und Vorrichtung zur Bildsignalkodierung mit merhstufigen Quantisierungnummernbestimmung | |
| DE69622518T2 (de) | Verfahren und Vorrichtung zur Nachbearbeitung von Bildern | |
| DE69936723T2 (de) | Verfahren zur Datenbearbeitung und zum Einfügen eines Wasserzeichens | |
| DE69415585T2 (de) | Vorrichtung zur weiteren Kompression und Aufzeichnung von kodierten digitalen Bilddatenströmen | |
| DE69608781T2 (de) | Hybride wellenform- und modellbasierte kodierung und dekodierung von bildsignalen | |
| DE69328602T2 (de) | Schaltungen zur Rauschunterdrückung | |
| DE69316439T2 (de) | Methode und Vorrichtung zur Kodierung und Dekodierung von Videodaten | |
| DE69837728T2 (de) | Adaptives Filter | |
| DE69226674T2 (de) | Kodierung von komprimierten Datenbildern mit hohem Wirkungsgrad | |
| DE69230704T2 (de) | Verfahren und Einrichtung zur Kompression von sich bewegenden Videobildern mit adaptiver Bitzuordnung und Quantisierung | |
| DE69332425T2 (de) | Vorrichtung und Verfahren zur Übertragung von Videosignalen | |
| DE69122595T2 (de) | Aufzeichnungs- und Abspielgerät | |
| DE69213511T2 (de) | Kodiervorrichtung zum Kodieren eines digitalen Bildsignals | |
| DE69224227T2 (de) | Verfahren und Anordnung zur Bestimmung eines Quantisierungsfaktors für Prozesse mit Datenkomprimierung und -dekomprimierung | |
| DE60307942T2 (de) | Digitale Rauschverminderungstechniken | |
| DE69608785T2 (de) | Verfahren zur verbesserung der vertikalen auflosung eines fernsehsignals mit verminderten vertikalen chominanzubergangen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN |
|
| R082 | Change of representative |
Ref document number: 714210 Country of ref document: EP Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN |