ATE25177T1 - Bilduebertragung. - Google Patents
Bilduebertragung.Info
- Publication number
- ATE25177T1 ATE25177T1 AT83306067T AT83306067T ATE25177T1 AT E25177 T1 ATE25177 T1 AT E25177T1 AT 83306067 T AT83306067 T AT 83306067T AT 83306067 T AT83306067 T AT 83306067T AT E25177 T1 ATE25177 T1 AT E25177T1
- Authority
- AT
- Austria
- Prior art keywords
- blocks
- division
- reduce
- elements
- along
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8229420 | 1982-10-14 | ||
EP83306067A EP0107426B1 (de) | 1982-10-14 | 1983-10-06 | Bildübertragung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE25177T1 true ATE25177T1 (de) | 1987-02-15 |
Family
ID=10533602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT83306067T ATE25177T1 (de) | 1982-10-14 | 1983-10-06 | Bilduebertragung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4633296A (de) |
EP (1) | EP0107426B1 (de) |
JP (1) | JPH07118803B2 (de) |
AT (1) | ATE25177T1 (de) |
AU (1) | AU566509B2 (de) |
CA (1) | CA1227867A (de) |
DE (1) | DE3369451D1 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU570439B2 (en) * | 1983-03-28 | 1988-03-17 | Compression Labs, Inc. | A combined intraframe and interframe transform coding system |
EP0165488B1 (de) * | 1984-05-21 | 1990-04-11 | Siemens Aktiengesellschaft | Verfahren zur Übertragung von Fernsehbildern |
DE3513074A1 (de) * | 1985-04-12 | 1986-10-23 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Verfahren zur digitalen nachrichtenuebertragung |
JPS61294586A (ja) * | 1985-06-21 | 1986-12-25 | Nec Corp | 画像信号の変換符号化・復号化装置 |
JPS61294585A (ja) * | 1985-06-21 | 1986-12-25 | Nec Corp | 画像信号の変換符号化方式 |
US4774575A (en) * | 1985-08-07 | 1988-09-27 | Canon Kabushiki Kaisha | Video signal processing apparatus |
DE3670746D1 (de) * | 1985-12-04 | 1990-05-31 | Siemens Ag | Verfahren zur datenreduktion digitaler bildsignale durch vektorquantisierung. |
JPS62150475A (ja) * | 1985-12-24 | 1987-07-04 | Konishiroku Photo Ind Co Ltd | 画像処理装置 |
NL8601447A (nl) * | 1986-06-05 | 1988-01-04 | Philips Nv | Werkwijze en inrichting voor het opnemen en/of weergeven van videoinformatie in respektievelijk van een registratiedrager, en een registratiedrager verkregen volgens de werkwijze. |
JP2608400B2 (ja) * | 1986-06-16 | 1997-05-07 | 富士写真フイルム株式会社 | 圧縮処理を経た画像データからの画像再構成方法 |
US4931954A (en) * | 1986-06-30 | 1990-06-05 | Kabushiki Kaisha Toshiba | Image storage system and method of storing images such that they are displayed with gradually increasing resolution |
DE3626916A1 (de) * | 1986-08-08 | 1988-02-11 | Thomson Brandt Gmbh | Verfahren zur uebertragung eines videosignales |
DE3735349A1 (de) * | 1986-10-18 | 1988-04-28 | Toshiba Kawasaki Kk | Bildpresservorrichtung |
US4849810A (en) * | 1987-06-02 | 1989-07-18 | Picturetel Corporation | Hierarchial encoding method and apparatus for efficiently communicating image sequences |
JP2674059B2 (ja) * | 1988-02-09 | 1997-11-05 | キヤノン株式会社 | カラー画像データ伝送方法 |
US4914508A (en) * | 1988-04-27 | 1990-04-03 | Universal Video Communications Corp. | Method and system for compressing and statistically encoding color video data |
US4843466A (en) * | 1988-04-27 | 1989-06-27 | Universal Video Communications Corp. | Method and system for decompressing color video slope encoded data |
US4857991A (en) * | 1988-04-27 | 1989-08-15 | Universal Video Communications Corp. | Method and system for decompressing color video feature encoded data |
US4816901A (en) * | 1988-04-27 | 1989-03-28 | Universal Video Communications Corp. | Method and system for compressing color video data |
US4857993A (en) * | 1988-04-27 | 1989-08-15 | Universal Video Communications Corp. | Method and system for decompressing digital color video statistically encoded data |
US4847677A (en) * | 1988-04-27 | 1989-07-11 | Universal Video Communications Corp. | Video telecommunication system and method for compressing and decompressing digital color video data |
US4849807A (en) * | 1988-04-27 | 1989-07-18 | Universal Video Communications Corp. | Method and system for compressing color video feature encoded data |
US4941043A (en) * | 1988-06-14 | 1990-07-10 | Siemens Aktiengesellschaft | Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate |
JPH0215782A (ja) * | 1988-07-04 | 1990-01-19 | Mitsubishi Electric Corp | 画像符号化方式 |
US5136618A (en) * | 1989-01-19 | 1992-08-04 | Redband Technologies, Inc. | Method and apparatus for bandwidth reduction of modulated signals |
US5790599A (en) * | 1989-01-19 | 1998-08-04 | Redband Technologies, Inc. | Data compression system using source representation |
DE69031186D1 (de) * | 1989-03-10 | 1997-09-11 | Canon Kk | Verfahren und Vorrichtung zum Codieren von Bildinformation |
US4935953A (en) * | 1989-04-27 | 1990-06-19 | International Business Machines Corporation | Cyclic video region transmission for videoconferencing systems |
US4974078A (en) * | 1989-11-13 | 1990-11-27 | Eastman Kodak Company | Digital compression method and system with improved coding efficiency |
US5136371A (en) * | 1990-03-15 | 1992-08-04 | Thomson Consumer Electronics, Inc. | Digital image coding using random scanning |
US5063444A (en) * | 1990-03-19 | 1991-11-05 | At&T Bell Laboratories | High definition television arrangement with signal selections adapted to the available transmission capacity |
GB2247132A (en) * | 1990-08-17 | 1992-02-19 | Sony Broadcast & Communication | Digital video data compression |
US5049992A (en) * | 1990-08-27 | 1991-09-17 | Zenith Electronics Corporation | HDTV system with receivers operable at different levels of resolution |
GB2253318B (en) * | 1991-02-27 | 1994-07-20 | Stc Plc | Image processing |
JP3298915B2 (ja) * | 1991-12-28 | 2002-07-08 | ソニー株式会社 | 符号化装置 |
US5253055A (en) * | 1992-07-02 | 1993-10-12 | At&T Bell Laboratories | Efficient frequency scalable video encoding with coefficient selection |
KR100363588B1 (ko) * | 1993-03-25 | 2003-02-17 | 세이코 엡슨 가부시키가이샤 | 화상처리장치 |
KR0128881B1 (ko) * | 1994-04-30 | 1998-04-10 | 배순훈 | 디지틀화상복호화장치 |
AU4465596A (en) * | 1994-08-23 | 1996-03-14 | Motorola, Inc. | Method and system for identifying common data element in data blocks for storage |
US5590064A (en) * | 1994-10-26 | 1996-12-31 | Intel Corporation | Post-filtering for decoded video signals |
US5473376A (en) * | 1994-12-01 | 1995-12-05 | Motorola, Inc. | Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system |
US5872572A (en) * | 1995-12-08 | 1999-02-16 | International Business Machines Corporation | Method and apparatus for generating non-uniform resolution image data |
US5786856A (en) * | 1996-03-19 | 1998-07-28 | International Business Machines | Method for adaptive quantization by multiplication of luminance pixel blocks by a modified, frequency ordered hadamard matrix |
JP2002344746A (ja) * | 2001-05-22 | 2002-11-29 | Sanyo Electric Co Ltd | 輪郭補正回路および輪郭補正方法 |
KR100501933B1 (ko) * | 2002-11-21 | 2005-07-18 | 삼성전자주식회사 | 멀티미디어 데이터 암호화 압축방법 및 장치 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984626A (en) * | 1975-08-01 | 1976-10-05 | Bell Telephone Laboratories, Incorporated | Picture signal coder |
FR2329124A1 (fr) * | 1975-10-24 | 1977-05-20 | Telecommunications Sa | Codeur-decodeur d'images a transformee matricielle avec ponderation des contributions des points de l'image a la formation de la transformee |
US4189748A (en) * | 1977-08-23 | 1980-02-19 | Northrop Corporation | Video bandwidth reduction system using a two-dimensional transformation, and an adaptive filter with error correction |
US4281344A (en) * | 1980-05-02 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Video interframe transform coding technique |
JPS5724180A (en) * | 1980-07-18 | 1982-02-08 | Matsushita Electric Ind Co Ltd | Orthogonal conversion decoder |
JPS57146345A (en) * | 1981-03-04 | 1982-09-09 | Toshiba Corp | 3n-th degree orthogonal transformation and inverse transformation system |
GB2103455A (en) * | 1981-07-22 | 1983-02-16 | Post Office | Method of transmitting an image and apparatus for carrying out the method |
US4517597A (en) * | 1982-09-14 | 1985-05-14 | New York Institute Of Technology | Method and apparatus for encoding and decoding video |
-
1983
- 1983-10-06 EP EP83306067A patent/EP0107426B1/de not_active Expired
- 1983-10-06 DE DE8383306067T patent/DE3369451D1/de not_active Expired
- 1983-10-06 AT AT83306067T patent/ATE25177T1/de active
- 1983-10-10 AU AU20017/83A patent/AU566509B2/en not_active Ceased
- 1983-10-12 CA CA000438840A patent/CA1227867A/en not_active Expired
- 1983-10-14 US US06/541,932 patent/US4633296A/en not_active Expired - Lifetime
- 1983-10-14 JP JP58191072A patent/JPH07118803B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3369451D1 (en) | 1987-02-26 |
JPH07118803B2 (ja) | 1995-12-18 |
AU566509B2 (en) | 1987-10-22 |
JPS59132291A (ja) | 1984-07-30 |
CA1227867A (en) | 1987-10-06 |
EP0107426B1 (de) | 1987-01-21 |
EP0107426A1 (de) | 1984-05-02 |
AU2001783A (en) | 1984-04-19 |
US4633296A (en) | 1986-12-30 |
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