DE2225652C3 - Verfahren und Einrichtung zur Codierung und Decodierung von Videosignalen - Google Patents
Verfahren und Einrichtung zur Codierung und Decodierung von VideosignalenInfo
- Publication number
- DE2225652C3 DE2225652C3 DE2225652A DE2225652A DE2225652C3 DE 2225652 C3 DE2225652 C3 DE 2225652C3 DE 2225652 A DE2225652 A DE 2225652A DE 2225652 A DE2225652 A DE 2225652A DE 2225652 C3 DE2225652 C3 DE 2225652C3
- Authority
- DE
- Germany
- Prior art keywords
- coding
- delta
- dpcm
- bits
- bit
- 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
Links
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- 230000006870 function Effects 0.000 claims description 2
- 238000013139 quantization Methods 0.000 description 8
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- 238000007906 compression Methods 0.000 description 3
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- 235000001892 vitamin D2 Nutrition 0.000 description 3
- DTTPWCNKTMQMTE-TYNNPWLESA-N [(1R,2S,3S,4S,5R,6S,8R,12S,13S,16R,19S,20R,21S)-14-ethyl-2-hydroxy-4,6,19-trimethoxy-16-methyl-9,11-dioxa-14-azaheptacyclo[10.7.2.12,5.01,13.03,8.08,12.016,20]docosan-21-yl] acetate Chemical compound CCN1C[C@]2(C)CC[C@H](OC)[C@]34[C@@H]2[C@H](OC(C)=O)[C@@]2(OCO[C@@]22C[C@H](OC)[C@H]5C[C@]3(O)[C@@H]2[C@H]5OC)[C@@H]14 DTTPWCNKTMQMTE-TYNNPWLESA-N 0.000 description 2
- DTTPWCNKTMQMTE-UHFFFAOYSA-N delphelatine Natural products O1COC2(C3C4OC)CC(OC)C4CC3(O)C34C(OC)CCC5(C)CN(CC)C4C21C(OC(C)=O)C53 DTTPWCNKTMQMTE-UHFFFAOYSA-N 0.000 description 2
- WNIGHBYIOLQQSJ-UHFFFAOYSA-N deltaline Natural products CCN1CC2(COC)CCC(O)C34C2C(OC(=O)C)C5(OCOC56CC(OC)C7CC3(O)C6C7O)C14 WNIGHBYIOLQQSJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH811371A CH522330A (de) | 1971-06-03 | 1971-06-03 | Verfahren und Einrichtung zur Codierung und Decodierung von Videosignalen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2225652A1 DE2225652A1 (de) | 1972-12-14 |
| DE2225652B2 DE2225652B2 (de) | 1980-09-04 |
| DE2225652C3 true DE2225652C3 (de) | 1981-07-02 |
Family
ID=4335371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2225652A Expired DE2225652C3 (de) | 1971-06-03 | 1972-05-26 | Verfahren und Einrichtung zur Codierung und Decodierung von Videosignalen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3825832A (enExample) |
| CA (1) | CA996276A (enExample) |
| CH (1) | CH522330A (enExample) |
| DE (1) | DE2225652C3 (enExample) |
| FR (1) | FR2140245B1 (enExample) |
| GB (1) | GB1341179A (enExample) |
| IT (1) | IT955538B (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587109B2 (ja) * | 1974-09-09 | 1983-02-08 | ケイディディ株式会社 | フアクシミリシンゴウ ノ ジヨウホウヘンカガソアドレスフゴウカホウシキ |
| US4017849A (en) * | 1975-08-28 | 1977-04-12 | Bell Telephone Laboratories, Incorporated | Apparatus for analog to digital conversion |
| US3991269A (en) * | 1975-09-18 | 1976-11-09 | Bell Telephone Laboratories, Incorporated | Digital coding without additional bits to provide sign information |
| US4179710A (en) * | 1976-02-23 | 1979-12-18 | Nippon Electric Co., Ltd. | Predictive encoder with a non-linear quantizing characteristic |
| JPS6016777B2 (ja) * | 1976-12-25 | 1985-04-27 | 株式会社東芝 | 信号伝送方式 |
| US4314105A (en) * | 1977-01-21 | 1982-02-02 | Mozer Forrest Shrago | Delta modulation method and system for signal compression |
| US4150397A (en) * | 1977-09-13 | 1979-04-17 | Eli S. Jacobs | Repetition reduced digital data record and playback system |
| FR2460580A1 (fr) * | 1979-06-29 | 1981-01-23 | France Etat | Dispositif pour le suivi et l'estimation recursive de l'etat local des contours d'images et application a la prediction adaptative en codage differentiel de signaux de television |
| US4339823A (en) * | 1980-08-15 | 1982-07-13 | Motorola, Inc. | Phase corrected clock signal recovery circuit |
| US4369463A (en) * | 1981-06-04 | 1983-01-18 | International Business Machines Corporation | Gray scale image data compression with code words a function of image history |
| FR2532138B1 (fr) * | 1982-08-20 | 1986-10-10 | Thomson Csf | Procede de compression de debit de donnees successivement transmises entre un emetteur et un recepteur de television et systeme mettant en oeuvre le procede |
| FR2546700B1 (fr) * | 1983-05-27 | 1986-12-05 | Thomson Csf | Procede et dispositif de codage a faible cout en debit de donnees pour systemes de television a rafraichissement conditionnel |
| US4661862A (en) * | 1984-04-27 | 1987-04-28 | Rca Corporation | Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions |
| DE3574655D1 (de) * | 1984-05-15 | 1990-01-11 | Bbc Brown Boveri & Cie | Analog-digital-wandler. |
| JPS61283967A (ja) * | 1985-06-10 | 1986-12-13 | Toshiba Corp | 画像記録再生装置 |
| BE904913A (nl) * | 1986-06-13 | 1986-12-15 | Bell Telephone Mfg | Data overdrachtsysteem. |
| US5172237A (en) * | 1989-05-17 | 1992-12-15 | Ricoh Corporation | High quality color image compression system |
| US6181822B1 (en) * | 1993-05-12 | 2001-01-30 | The Duck Corporation | Data compression apparatus and method |
| US6314140B1 (en) * | 1995-12-28 | 2001-11-06 | Lucent Technologies Inc. | Dynamic video focus control |
| US20080205521A1 (en) * | 2005-04-27 | 2008-08-28 | Koninklijke Philips Electronics, N.V. | Dpcm Coding Method of Video Signals |
| US8325796B2 (en) * | 2008-09-11 | 2012-12-04 | Google Inc. | System and method for video coding using adaptive segmentation |
| US8311111B2 (en) | 2008-09-11 | 2012-11-13 | Google Inc. | System and method for decoding using parallel processing |
| US8326075B2 (en) * | 2008-09-11 | 2012-12-04 | Google Inc. | System and method for video encoding using adaptive loop filter |
| US9031241B2 (en) * | 2009-02-05 | 2015-05-12 | D.E. Shaw Research, Llc | Link and physical coding sub-layer protocols |
| US8780996B2 (en) | 2011-04-07 | 2014-07-15 | Google, Inc. | System and method for encoding and decoding video data |
| US8781004B1 (en) | 2011-04-07 | 2014-07-15 | Google Inc. | System and method for encoding video using variable loop filter |
| US8780971B1 (en) | 2011-04-07 | 2014-07-15 | Google, Inc. | System and method of encoding using selectable loop filters |
| US9154799B2 (en) | 2011-04-07 | 2015-10-06 | Google Inc. | Encoding and decoding motion via image segmentation |
| US8885706B2 (en) | 2011-09-16 | 2014-11-11 | Google Inc. | Apparatus and methodology for a video codec system with noise reduction capability |
| US9100657B1 (en) | 2011-12-07 | 2015-08-04 | Google Inc. | Encoding time management in parallel real-time video encoding |
| US9262670B2 (en) | 2012-02-10 | 2016-02-16 | Google Inc. | Adaptive region of interest |
| US9131073B1 (en) | 2012-03-02 | 2015-09-08 | Google Inc. | Motion estimation aided noise reduction |
| US9344729B1 (en) | 2012-07-11 | 2016-05-17 | Google Inc. | Selective prediction signal filtering |
| US11425395B2 (en) | 2013-08-20 | 2022-08-23 | Google Llc | Encoding and decoding using tiling |
| US9392272B1 (en) | 2014-06-02 | 2016-07-12 | Google Inc. | Video coding using adaptive source variance based partitioning |
| US9578324B1 (en) | 2014-06-27 | 2017-02-21 | Google Inc. | Video coding using statistical-based spatially differentiated partitioning |
| US10102613B2 (en) | 2014-09-25 | 2018-10-16 | Google Llc | Frequency-domain denoising |
| US9794574B2 (en) | 2016-01-11 | 2017-10-17 | Google Inc. | Adaptive tile data size coding for video and image compression |
| US10542258B2 (en) | 2016-01-25 | 2020-01-21 | Google Llc | Tile copying for video compression |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3071727A (en) * | 1961-05-08 | 1963-01-01 | Bell Telephone Labor Inc | Bandwidth reduction system |
| US3422227A (en) * | 1965-09-30 | 1969-01-14 | Bell Telephone Labor Inc | Dual code differential encoding scheme for video signals |
| US3403226A (en) * | 1965-09-30 | 1968-09-24 | Bell Telephone Labor Inc | Reduced bandwidth dual mode encoding of video signals |
| US3439753A (en) * | 1966-04-19 | 1969-04-22 | Bell Telephone Labor Inc | Reduced bandwidth pulse modulation scheme using dual mode encoding in selected sub-block sampling periods |
| JPS5114846B1 (enExample) * | 1968-08-08 | 1976-05-12 | ||
| US3688029A (en) * | 1968-09-23 | 1972-08-29 | Otto E Bartoe Jr | Cableless acoustically linked underwater television system |
-
1971
- 1971-06-03 CH CH811371A patent/CH522330A/de not_active IP Right Cessation
-
1972
- 1972-05-16 IT IT24378/72A patent/IT955538B/it active
- 1972-05-22 US US00255489A patent/US3825832A/en not_active Expired - Lifetime
- 1972-05-25 GB GB2455872A patent/GB1341179A/en not_active Expired
- 1972-05-26 DE DE2225652A patent/DE2225652C3/de not_active Expired
- 1972-06-01 FR FR7220514A patent/FR2140245B1/fr not_active Expired
- 1972-06-01 CA CA143,608A patent/CA996276A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2140245A1 (enExample) | 1973-01-12 |
| US3825832A (en) | 1974-07-23 |
| FR2140245B1 (enExample) | 1976-09-10 |
| CH522330A (de) | 1972-06-15 |
| GB1341179A (en) | 1973-12-19 |
| DE2225652B2 (de) | 1980-09-04 |
| IT955538B (it) | 1973-09-29 |
| CA996276A (en) | 1976-08-31 |
| DE2225652A1 (de) | 1972-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |