JP2003198851A5 - - Google Patents
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- Publication number
- JP2003198851A5 JP2003198851A5 JP2002291749A JP2002291749A JP2003198851A5 JP 2003198851 A5 JP2003198851 A5 JP 2003198851A5 JP 2002291749 A JP2002291749 A JP 2002291749A JP 2002291749 A JP2002291749 A JP 2002291749A JP 2003198851 A5 JP2003198851 A5 JP 2003198851A5
- Authority
- JP
- Japan
- 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
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/001,508 | 2001-10-23 | ||
| US10/001,508 US7092578B2 (en) | 2001-10-23 | 2001-10-23 | Signaling adaptive-quantization matrices in JPEG using end-of-block codes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003198851A JP2003198851A (ja) | 2003-07-11 |
| JP2003198851A5 true JP2003198851A5 (ja) | 2005-11-04 |
Family
ID=21696391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002291749A Pending JP2003198851A (ja) | 2001-10-23 | 2002-10-04 | ブロック終結符号を利用したｊｐｅｇにおける信号方式適応量子化マトリックス |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7092578B2 (ja) |
| EP (1) | EP1306806A3 (ja) |
| JP (1) | JP2003198851A (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7768500B2 (en) * | 2003-06-16 | 2010-08-03 | Humanscale Corporation | Ergonomic pointing device |
| US7557799B2 (en) * | 2004-06-17 | 2009-07-07 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | System for determining pointer position, movement, and angle |
| US7469067B2 (en) * | 2004-07-06 | 2008-12-23 | Magnum Semiconductor, Inc. | Sequential decoding of progressive coded JPEGs |
| JP4775756B2 (ja) * | 2005-03-18 | 2011-09-21 | 富士ゼロックス株式会社 | 復号化装置及びそのプログラム |
| WO2011042898A1 (en) | 2009-10-05 | 2011-04-14 | I.C.V.T Ltd. | Apparatus and methods for recompression of digital images |
| WO2011042900A1 (en) * | 2009-10-05 | 2011-04-14 | I.C.V.T Ltd. | A method and system for processing an image |
| US8805109B2 (en) | 2010-04-29 | 2014-08-12 | I.C.V.T. Ltd. | Apparatus and methods for re-compression having a monotonic relationship between extent of compression and quality of compressed image |
| US8824569B2 (en) * | 2011-12-07 | 2014-09-02 | International Business Machines Corporation | High bandwidth decompression of variable length encoded data streams |
| US9020291B2 (en) | 2012-08-31 | 2015-04-28 | Hewlett-Packard Development Company, L.P. | Resized image compression based on frequency content |
| US8933824B1 (en) | 2013-08-28 | 2015-01-13 | International Business Machines Corporation | Hardware decompression of deflate encoded data with multiple blocks |
| US9374106B2 (en) | 2013-08-28 | 2016-06-21 | International Business Machines Corporation | Efficient context save/restore during hardware decompression of DEFLATE encoded data |
| US9800640B2 (en) | 2013-10-02 | 2017-10-24 | International Business Machines Corporation | Differential encoder with look-ahead synchronization |
| CN108200436B (zh) * | 2017-12-29 | 2019-06-18 | 华中科技大学 | 一种面向线列扫描红外成像非均匀性残差的无损压缩方法 |
| US10687062B1 (en) * | 2019-02-22 | 2020-06-16 | Google Llc | Compression across multiple images |
| JP2020184702A (ja) * | 2019-05-08 | 2020-11-12 | ルネサスエレクトロニクス株式会社 | 復号化装置および復号化装置の制御方法 |
| US20230035118A1 (en) * | 2021-07-23 | 2023-02-02 | Tencent America LLC | Cross component end of block flag coding |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04320160A (ja) * | 1991-04-19 | 1992-11-10 | Matsushita Electric Ind Co Ltd | 画像信号圧縮伸長装置および領域識別処理装置 |
| US5157488A (en) * | 1991-05-17 | 1992-10-20 | International Business Machines Corporation | Adaptive quantization within the jpeg sequential mode |
| JPH04358486A (ja) * | 1991-06-04 | 1992-12-11 | Toshiba Corp | 高能率符号化信号処理装置 |
| US5822462A (en) * | 1991-09-11 | 1998-10-13 | Canon Kabushiki Kaisha | Image processing apparatus |
| AU3274593A (en) * | 1991-12-13 | 1993-07-19 | Avid Technology, Inc. | Quantization table adjustment |
| US5842033A (en) * | 1992-06-30 | 1998-11-24 | Discovision Associates | Padding apparatus for passing an arbitrary number of bits through a buffer in a pipeline system |
| CN1065702C (zh) * | 1993-04-16 | 2001-05-09 | 传播100公司 | 对视频数据进行自适应解码和解压缩的方法和设备 |
| CN1125031A (zh) * | 1993-04-16 | 1996-06-19 | 数据翻译公司 | 采用可变量化的自适应视频压缩 |
| US5517327A (en) * | 1993-06-30 | 1996-05-14 | Minolta Camera Kabushiki Kaisha | Data processor for image data using orthogonal transformation |
| JPH07123269A (ja) * | 1993-10-22 | 1995-05-12 | Fuji Xerox Co Ltd | 画像信号の符号化装置 |
| US5822458A (en) * | 1995-02-06 | 1998-10-13 | The Regents Of The University Of California | Precomputing and encoding compressed image enhancement instructions |
| JPH08316846A (ja) * | 1995-05-18 | 1996-11-29 | Matsushita Electric Ind Co Ltd | 画像符号化装置、画像復号化装置、画像符号化方法および画像復号化方法 |
| KR100303054B1 (ko) * | 1997-02-08 | 2001-09-24 | 모리시타 요이찌 | 정지영상과동영상부호화를위한양자화매트릭스 |
| US6266375B1 (en) * | 1997-11-13 | 2001-07-24 | Sony Corporation | Method and apparatus for selecting a quantization table for encoding a digital image |
| US6175650B1 (en) * | 1998-01-26 | 2001-01-16 | Xerox Corporation | Adaptive quantization compatible with the JPEG baseline sequential mode |
| US6252994B1 (en) * | 1998-01-26 | 2001-06-26 | Xerox Corporation | Adaptive quantization compatible with the JPEG baseline sequential mode |
| JP3843581B2 (ja) * | 1998-03-05 | 2006-11-08 | 富士ゼロックス株式会社 | 画像符号化装置、画像復号化装置および画像処理装置、並びに画像符号化方法、画像復号化方法および画像処理方法 |
| US6724817B1 (en) * | 2000-06-05 | 2004-04-20 | Amphion Semiconductor Limited | Adaptive image data compression |
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2001
- 2001-10-23 US US10/001,508 patent/US7092578B2/en not_active Expired - Fee Related
-
2002
- 2002-09-10 EP EP02020241A patent/EP1306806A3/en not_active Withdrawn
- 2002-10-04 JP JP2002291749A patent/JP2003198851A/ja active Pending