JP4091684B2 - 画像処理用の2次元畳み込み方法 - Google Patents
画像処理用の2次元畳み込み方法 Download PDFInfo
- Publication number
- JP4091684B2 JP4091684B2 JP12323298A JP12323298A JP4091684B2 JP 4091684 B2 JP4091684 B2 JP 4091684B2 JP 12323298 A JP12323298 A JP 12323298A JP 12323298 A JP12323298 A JP 12323298A JP 4091684 B2 JP4091684 B2 JP 4091684B2
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- row
- lookup table
- partial
- pixels
- 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 - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/852,620 US6151025A (en) | 1997-05-07 | 1997-05-07 | Method and apparatus for complexity reduction on two-dimensional convolutions for image processing |
| US852,620 | 1997-05-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH10326343A JPH10326343A (ja) | 1998-12-08 |
| JPH10326343A5 JPH10326343A5 (https=) | 2005-09-08 |
| JP4091684B2 true JP4091684B2 (ja) | 2008-05-28 |
Family
ID=25313810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12323298A Expired - Fee Related JP4091684B2 (ja) | 1997-05-07 | 1998-05-06 | 画像処理用の2次元畳み込み方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6151025A (https=) |
| EP (1) | EP0877338A3 (https=) |
| JP (1) | JP4091684B2 (https=) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4046857B2 (ja) * | 1998-07-02 | 2008-02-13 | キヤノン株式会社 | 画像処理装置およびその方法、並びに、記録媒体 |
| EP1055175B1 (en) * | 1998-12-22 | 2011-06-15 | Trident Microsystems (Far East) Ltd. | Cache with access to a moving two-dimensional window |
| JP3676948B2 (ja) * | 1999-07-07 | 2005-07-27 | アルプス電気株式会社 | 画素数変換回路及びこれを用いた画像表示装置 |
| TW589870B (en) * | 2000-12-19 | 2004-06-01 | Pts Corp | Adaptive transforms |
| US20050175258A1 (en) * | 2004-02-11 | 2005-08-11 | Leung Patrick W. | Method and apparatus for downscaling digital image data to fit a graphics display device |
| US7199797B2 (en) * | 2004-12-13 | 2007-04-03 | Dynacomware | Silhouette-oriented gray font generation |
| US8520253B2 (en) * | 2005-03-22 | 2013-08-27 | Infoprint Solutions Company, Llc | Method and system for scaling with dot gain control |
| US7782334B1 (en) * | 2005-09-13 | 2010-08-24 | Nvidia Corporation | Pixel shader-based data array resizing |
| US7505960B2 (en) * | 2005-11-15 | 2009-03-17 | Microsoft Corporation | Scalable retrieval of data entries using an array index or a secondary key |
| US7965305B2 (en) * | 2006-05-08 | 2011-06-21 | Global Oled Technology Llc | Color display system with improved apparent resolution |
| US8270759B2 (en) | 2008-06-16 | 2012-09-18 | International Business Machines Corporation | Transformation of a video image from a high dynamic range image to a low dynamic range image |
| US8160388B2 (en) | 2008-06-17 | 2012-04-17 | International Business Machines Corporation | Spatially selective transformation of a spatially varying optical characteristic of an image in an array of pixels |
| US8452087B2 (en) | 2009-09-30 | 2013-05-28 | Microsoft Corporation | Image selection techniques |
| US8411948B2 (en) * | 2010-03-05 | 2013-04-02 | Microsoft Corporation | Up-sampling binary images for segmentation |
| US8422769B2 (en) | 2010-03-05 | 2013-04-16 | Microsoft Corporation | Image segmentation using reduced foreground training data |
| US8655069B2 (en) | 2010-03-05 | 2014-02-18 | Microsoft Corporation | Updating image segmentation following user input |
| US8854375B2 (en) * | 2010-10-19 | 2014-10-07 | Dynacomware Taiwan Inc. | Method and system for generating gray dot-matrix font from binary dot-matrix font |
| US8687902B2 (en) * | 2012-03-29 | 2014-04-01 | Intel Corporation | System, method, and computer program product for decompression of block compressed images |
| CN104462196B (zh) * | 2014-10-30 | 2019-01-22 | 南京信息工程大学 | 多特征联合哈希信息检索方法 |
| US10943340B2 (en) | 2016-04-18 | 2021-03-09 | Avago Technologies International Sales Pte. Limited | Blending images |
| US12299577B2 (en) | 2016-06-15 | 2025-05-13 | Nvidia Corporation | Tensor processing using low precision format |
| US11403727B2 (en) * | 2020-01-28 | 2022-08-02 | Nxp Usa, Inc. | System and method for convolving an image |
| KR102227437B1 (ko) * | 2020-03-12 | 2021-03-12 | 에스케이텔레콤 주식회사 | 연산 가속화가 적용된 신경망 모델의 생성 및 활용을 위한 장치 및 방법 |
| KR20220039313A (ko) | 2020-09-22 | 2022-03-29 | 삼성전자주식회사 | 뉴럴 네트워크 연산 처리 방법 및 장치 |
| CN114328802B (zh) * | 2021-12-08 | 2025-05-06 | 腾讯科技(深圳)有限公司 | 对象处理方法、装置、设备、存储介质和计算机程序产品 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528693A (en) * | 1982-09-30 | 1985-07-09 | International Business Machines Corporation | Apparatus and method for scaling facsimile image data |
| JPS623372A (ja) * | 1985-06-27 | 1987-01-09 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 画像変換装置 |
| US4843380A (en) * | 1987-07-13 | 1989-06-27 | Megatek Corporation | Anti-aliasing raster scan display system |
| US5274469A (en) * | 1991-12-23 | 1993-12-28 | Eastman Kodak Company | Sample rate converter circuit for image data |
| US5410616A (en) * | 1992-05-28 | 1995-04-25 | Unisys Corporation | Loop-up table image scaling for rational factors |
| US5483605A (en) * | 1993-12-27 | 1996-01-09 | Xerox Corporation | High speed pattern recognition technique for implementation of resolution enhancement algorithms into an application specific integrated circuit (ASIC) device |
| US5627953A (en) * | 1994-08-05 | 1997-05-06 | Yen; Jonathan | Binary image scaling by piecewise polynomial interpolation |
-
1997
- 1997-05-07 US US08/852,620 patent/US6151025A/en not_active Expired - Lifetime
-
1998
- 1998-05-06 EP EP98303531A patent/EP0877338A3/en not_active Withdrawn
- 1998-05-06 JP JP12323298A patent/JP4091684B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0877338A3 (en) | 1999-11-24 |
| US6151025A (en) | 2000-11-21 |
| EP0877338A2 (en) | 1998-11-11 |
| JPH10326343A (ja) | 1998-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4091684B2 (ja) | 画像処理用の2次元畳み込み方法 | |
| US7149369B2 (en) | Method and system for image scaling | |
| Mukundan | Some computational aspects of discrete orthonormal moments | |
| US5224062A (en) | Method and apparatus for fast implementation of inverse discrete cosine transform in a digital image processing system using optimized lookup tables | |
| JP3188330B2 (ja) | 2値画像ビットマップの予備補償方法 | |
| EP0407213B1 (en) | Image processing apparatus | |
| JPH0696198A (ja) | エラー拡散を利用したビットマップ画像の非量子化解像度変換 | |
| US5748860A (en) | Image processing during page description language interpretation | |
| US5493419A (en) | Stack filters for 1-to-N bit image processing in electronic printers | |
| JPH06217146A (ja) | デジタル画像処理システムでidctを実施する方法及びそのためのidctプロセッサ | |
| WO1997003415A1 (en) | Method for transmitting fractal transform data to support different compressor/decompressor designs | |
| JPH07210670A (ja) | 画像処理装置 | |
| US5867612A (en) | Method and apparatus for the fast scaling of an image | |
| JPH10326343A5 (https=) | ||
| EP0708415A2 (en) | Four-quadrant scaling of dot matrix data | |
| US20050190410A1 (en) | Methods and apparatus for smoothing text outlines | |
| US5526474A (en) | Image drawing with improved process for area ratio of pixel | |
| JPH0366873B2 (https=) | ||
| JPH07200864A (ja) | コンピュータ | |
| US5917961A (en) | Image convolution using pre-calculated lookup tables | |
| Chiarabini et al. | Complexity reduction on two-dimensional convolutions for image processing | |
| AU765466B2 (en) | Anti-aliased polygon rendering | |
| US20050219633A1 (en) | Image processing method for reducing jaggy effect | |
| JPH03278189A (ja) | 図形処理装置 | |
| JPH09282474A (ja) | 階調画像生成方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050315 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050315 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070710 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071010 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071015 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071227 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080219 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080229 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110307 Year of fee payment: 3 |
|
| LAPS | Cancellation because of no payment of annual fees |