CN1086071A - 自适应dpcm编码器 - Google Patents
自适应dpcm编码器 Download PDFInfo
- Publication number
- CN1086071A CN1086071A CN93116813A CN93116813A CN1086071A CN 1086071 A CN1086071 A CN 1086071A CN 93116813 A CN93116813 A CN 93116813A CN 93116813 A CN93116813 A CN 93116813A CN 1086071 A CN1086071 A CN 1086071A
- Authority
- CN
- China
- Prior art keywords
- quantizer
- fallout predictor
- level
- threshold
- value
- 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.)
- Pending
Links
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
- H04N19/124—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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
- H04N19/50—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
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)
- Image Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4230728A DE4230728A1 (de) | 1992-09-14 | 1992-09-14 | Adaptiver DPCM-Kodierer |
| DEP4230728.7 | 1992-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1086071A true CN1086071A (zh) | 1994-04-27 |
Family
ID=6467928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93116813A Pending CN1086071A (zh) | 1992-09-14 | 1993-09-11 | 自适应dpcm编码器 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0588419A2 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH06217297A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1086071A (cg-RX-API-DMAC7.html) |
| AU (1) | AU4731893A (cg-RX-API-DMAC7.html) |
| DE (1) | DE4230728A1 (cg-RX-API-DMAC7.html) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343879C (zh) * | 2001-11-27 | 2007-10-17 | 三星电子株式会社 | 编码和解码坐标内插符的关键字值数据的方法和装置 |
| CN100585581C (zh) * | 2006-03-24 | 2010-01-27 | 国际商业机器公司 | 用于提供数据流中数据的谱估计的方法及设备 |
| CN1941910B (zh) * | 2001-11-27 | 2015-03-11 | 三星电子株式会社 | 编码坐标内插符、解码比特数据流的装置及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555682A (en) * | 1978-10-20 | 1980-04-23 | Nec Corp | Coding unit for television signal |
| DE3511713A1 (de) * | 1985-03-29 | 1986-10-02 | Siemens AG, 1000 Berlin und 8000 München | Adaptiv gesteuerter dpcm-coder/decoder |
| GB8703354D0 (en) * | 1987-02-13 | 1987-03-18 | British Telecomm | Coder |
-
1992
- 1992-09-14 DE DE4230728A patent/DE4230728A1/de not_active Withdrawn
-
1993
- 1993-09-07 EP EP93202605A patent/EP0588419A2/de not_active Withdrawn
- 1993-09-09 JP JP5224253A patent/JPH06217297A/ja active Pending
- 1993-09-11 CN CN93116813A patent/CN1086071A/zh active Pending
- 1993-09-13 AU AU47318/93A patent/AU4731893A/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100343879C (zh) * | 2001-11-27 | 2007-10-17 | 三星电子株式会社 | 编码和解码坐标内插符的关键字值数据的方法和装置 |
| CN1941910B (zh) * | 2001-11-27 | 2015-03-11 | 三星电子株式会社 | 编码坐标内插符、解码比特数据流的装置及方法 |
| CN100585581C (zh) * | 2006-03-24 | 2010-01-27 | 国际商业机器公司 | 用于提供数据流中数据的谱估计的方法及设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0588419A2 (de) | 1994-03-23 |
| DE4230728A1 (de) | 1994-03-17 |
| AU4731893A (en) | 1994-03-24 |
| EP0588419A3 (cg-RX-API-DMAC7.html) | 1994-08-31 |
| JPH06217297A (ja) | 1994-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0414193B1 (en) | Adaptive quantization coder/decoder | |
| CN1101108C (zh) | 判定量化参数的方法及装置 | |
| JP2661738B2 (ja) | ビデオコーダ | |
| EP0717567A2 (en) | Video coder with data rate control | |
| EP0613306A2 (en) | Apparatus for controlling quantizing in a video signal compressor | |
| JP5209394B2 (ja) | 符号化方法および符号器 | |
| KR940017252A (ko) | 적응형 다이내믹레인지 부호화장치 | |
| JPS6226633B2 (cg-RX-API-DMAC7.html) | ||
| US5689307A (en) | Encoding and decoding systems for transmitting moving pictures | |
| EP0825779A1 (en) | Moving picture cosing apparatus/method with output buffer memory control | |
| US5521643A (en) | Adaptively coding method and apparatus utilizing variation in quantization step size | |
| CN1158050A (zh) | 图像数据压缩系统和方法 | |
| JPH05344490A (ja) | 符号化方法および符号化装置 | |
| CN1086071A (zh) | 自适应dpcm编码器 | |
| US5900946A (en) | Image information encoding/decoding apparatus assuring a minimum compression ratio and limiting a transfer rate | |
| EP1691560A2 (en) | Video coder providing implicit coefficient prediction and scan adaption for image coding and intra coding of video | |
| JP2523876B2 (ja) | 動画像符号化装置 | |
| EP0975178A2 (en) | Moving picture decoding apparatus and moving picture decoding method | |
| JPH0541860A (ja) | 画像圧縮符号化装置 | |
| CN1404310A (zh) | 运动图象编码装置和方法 | |
| CN1197370C (zh) | 在视频压缩系统中缓冲视频数据的方法 | |
| JPH07147679A (ja) | 動画像圧縮符号化方法 | |
| JP2553712B2 (ja) | 動画像符号化装置 | |
| JPH06113271A (ja) | 画像信号符号化装置 | |
| US6553146B1 (en) | Method and arrangement for encoding video images |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: N.V. Philips' Gloeipenfabrieken Applicant before: Philips Electronics N. V. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: N.V. PHILIPS OPTICAL LAMP LTD., CO. TO: N.V. PHILIPS OPTICAL LAMP MANUFACTURING COMPANY |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |