CN1258169A - 流水线离散余弦变换设备 - Google Patents
流水线离散余弦变换设备 Download PDFInfo
- Publication number
- CN1258169A CN1258169A CN99100485A CN99100485A CN1258169A CN 1258169 A CN1258169 A CN 1258169A CN 99100485 A CN99100485 A CN 99100485A CN 99100485 A CN99100485 A CN 99100485A CN 1258169 A CN1258169 A CN 1258169A
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- China
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- dct
- coefficient
- kernel
- image data
- input image
- Prior art date
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- 230000009466 transformation Effects 0.000 title description 4
- 230000015654 memory Effects 0.000 claims abstract description 22
- 238000004364 calculation method Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000013139 quantization Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 238000002789 length control Methods 0.000 claims description 11
- 230000006870 function Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 230000017105 transposition Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 description 17
- 230000006835 compression Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/007—Transform coding, e.g. discrete cosine transform
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- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980057797A KR100313217B1 (ko) | 1998-12-23 | 1998-12-23 | 파이프라인dct장치 |
KR57797/1998 | 1998-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1258169A true CN1258169A (zh) | 2000-06-28 |
CN1169072C CN1169072C (zh) | 2004-09-29 |
Family
ID=19565037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB99100485XA Expired - Fee Related CN1169072C (zh) | 1998-12-23 | 1999-01-29 | 流水线离散余弦变换设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6577772B1 (zh) |
KR (1) | KR100313217B1 (zh) |
CN (1) | CN1169072C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1326397C (zh) * | 2003-06-02 | 2007-07-11 | 杭州高特信息技术有限公司 | 一种dct快速变换结构 |
CN101207818B (zh) * | 2006-12-20 | 2010-08-11 | 普诚科技股份有限公司 | 数据转换装置 |
CN103634598B (zh) * | 2005-08-26 | 2018-01-19 | 英特尔公司 | 视频处理的转置缓冲 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020097427A (ko) * | 2001-06-21 | 2002-12-31 | (주)씨앤에스 테크놀로지 | 저전력 idct를 이용한 영상 압축 및 복원 시스템 |
US20030123538A1 (en) * | 2001-12-21 | 2003-07-03 | Michael Krause | Video recording and encoding in devices with limited processing capabilities |
KR100744388B1 (ko) * | 2003-09-01 | 2007-07-30 | 삼성전자주식회사 | 적응적 고속 dct 인코딩 방법 |
US7444030B2 (en) * | 2004-11-12 | 2008-10-28 | Micron Technology, Inc. | Image encoding with dynamic buffer-capacity-level-based compression adjustment |
US20060104521A1 (en) * | 2004-11-15 | 2006-05-18 | Shu-Wen Teng | Image processing devices and methods |
US20060104351A1 (en) * | 2004-11-15 | 2006-05-18 | Shu-Wen Teng | Video/image processing devices and methods |
US20070009166A1 (en) * | 2005-07-05 | 2007-01-11 | Ju Chi-Cheng | Scalable system for discrete cosine transform and method thereof |
CN104661036A (zh) * | 2013-11-22 | 2015-05-27 | 辉达公司 | 用于视频编码的方法和系统 |
US10275863B2 (en) * | 2015-04-03 | 2019-04-30 | Cognex Corporation | Homography rectification |
CN114782427B (zh) * | 2022-06-17 | 2022-08-26 | 南通格冉泊精密模塑有限公司 | 基于数据识别的改性塑料混料评价方法及人工智能系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4791598A (en) * | 1987-03-24 | 1988-12-13 | Bell Communications Research, Inc. | Two-dimensional discrete cosine transform processor |
US5241395A (en) * | 1989-08-07 | 1993-08-31 | Bell Communications Research, Inc. | Adaptive transform coding using variable block size |
JPH05167998A (ja) * | 1991-12-16 | 1993-07-02 | Nippon Telegr & Teleph Corp <Ntt> | 画像の符号化制御処理方法 |
US5734755A (en) * | 1994-03-11 | 1998-03-31 | The Trustees Of Columbia University In The City Of New York | JPEG/MPEG decoder-compatible optimized thresholding for image and video signal compression |
US5654760A (en) * | 1994-03-30 | 1997-08-05 | Sony Corporation | Selection of quantization step size in accordance with predicted quantization noise |
MX9700385A (es) * | 1994-07-14 | 1998-05-31 | Johnson Grace Company | Metodo y aparato para comprimir imagenes. |
KR100355375B1 (ko) * | 1995-11-01 | 2002-12-26 | 삼성전자 주식회사 | 영상부호화장치에있어서양자화간격결정방법및회로 |
US5894430A (en) * | 1996-05-20 | 1999-04-13 | Matsushita Electric Industrial Co., Ltd. | Orthogonal transform processor |
JPH10117350A (ja) * | 1996-10-09 | 1998-05-06 | Matsushita Electric Ind Co Ltd | アナログ処理方式の画像符号化装置 |
JP3466032B2 (ja) * | 1996-10-24 | 2003-11-10 | 富士通株式会社 | 動画像符号化装置および復号化装置 |
JPH10207868A (ja) * | 1997-01-21 | 1998-08-07 | Sharp Corp | 2次元配列転置回路 |
-
1998
- 1998-12-23 KR KR1019980057797A patent/KR100313217B1/ko not_active IP Right Cessation
- 1998-12-31 US US09/224,743 patent/US6577772B1/en not_active Expired - Fee Related
-
1999
- 1999-01-29 CN CNB99100485XA patent/CN1169072C/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1326397C (zh) * | 2003-06-02 | 2007-07-11 | 杭州高特信息技术有限公司 | 一种dct快速变换结构 |
CN103634598B (zh) * | 2005-08-26 | 2018-01-19 | 英特尔公司 | 视频处理的转置缓冲 |
CN101207818B (zh) * | 2006-12-20 | 2010-08-11 | 普诚科技股份有限公司 | 数据转换装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20000041795A (ko) | 2000-07-15 |
CN1169072C (zh) | 2004-09-29 |
US6577772B1 (en) | 2003-06-10 |
KR100313217B1 (ko) | 2001-12-28 |
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Owner name: LG ELECTRONIC CO., LTD. Free format text: FORMER NAME OR ADDRESS: LG INFORMATION + COMMUNICATIONS LTD. |
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Address after: Seoul City, Korea Patentee after: LG Electronics Inc. Address before: Seoul City, Korea Patentee before: LG Information & Communications, Ltd. |
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Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061110 |
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Effective date of registration: 20061110 Address after: Seoul, South Korea Patentee after: LG Nortel Co., Ltd. Address before: Seoul, South Korea Patentee before: LG Electronics Inc. |
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Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Novera Optics Korea Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Nortel Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040929 Termination date: 20130129 |