DE69738897D1 - Verfahren und Gerät zur Erzeugung eines Bildes mit kontinuierlichen Tönen aus einem halbtongerasterten Bild - Google Patents
Verfahren und Gerät zur Erzeugung eines Bildes mit kontinuierlichen Tönen aus einem halbtongerasterten BildInfo
- Publication number
- DE69738897D1 DE69738897D1 DE69738897T DE69738897T DE69738897D1 DE 69738897 D1 DE69738897 D1 DE 69738897D1 DE 69738897 T DE69738897 T DE 69738897T DE 69738897 T DE69738897 T DE 69738897T DE 69738897 D1 DE69738897 D1 DE 69738897D1
- Authority
- DE
- Germany
- Prior art keywords
- image
- generating
- continuous tone
- halftone screened
- tone image
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40075—Descreening, i.e. converting a halftone signal into a corresponding continuous-tone signal; Rescreening, i.e. combined descreening and halftoning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color, Gradation (AREA)
- Control Or Security For Electrophotography (AREA)
- Color Image Communication Systems (AREA)
- Dot-Matrix Printers And Others (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/708,014 US5799112A (en) | 1996-08-30 | 1996-08-30 | Method and apparatus for wavelet-based universal halftone image unscreening |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69738897D1 true DE69738897D1 (de) | 2008-09-25 |
Family
ID=24844043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738897T Expired - Lifetime DE69738897D1 (de) | 1996-08-30 | 1997-08-21 | Verfahren und Gerät zur Erzeugung eines Bildes mit kontinuierlichen Tönen aus einem halbtongerasterten Bild |
Country Status (4)
Country | Link |
---|---|
US (1) | US5799112A (de) |
EP (1) | EP0827333B1 (de) |
JP (1) | JP3964503B2 (de) |
DE (1) | DE69738897D1 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6108098A (en) * | 1995-12-28 | 2000-08-22 | Canon Kabushiki Kaisha | Image processing apparatus and method |
JPH09214807A (ja) * | 1996-01-31 | 1997-08-15 | Canon Inc | 画像処理装置および画像処理方法 |
US6163629A (en) * | 1998-01-30 | 2000-12-19 | Compaq Computer Corporation | Method for low complexity low memory inverse dithering |
US6233060B1 (en) * | 1998-09-23 | 2001-05-15 | Seiko Epson Corporation | Reduction of moiré in screened images using hierarchical edge detection and adaptive-length averaging filters |
US6768518B1 (en) * | 1998-12-16 | 2004-07-27 | Xerox Corporation | Method and apparatus for removing a checkerboard-like noise artifact from a captured composite NTSC video frame |
US6580837B1 (en) * | 1999-12-07 | 2003-06-17 | Intel Corporation | Up-sampling decimated color plane data |
US6973127B1 (en) * | 1999-12-23 | 2005-12-06 | Xvd Corporation | Apparatus and method for memory saving wavelet based video coding |
US6864994B1 (en) * | 2000-01-19 | 2005-03-08 | Xerox Corporation | High-speed, high-quality descreening system and method |
US6721458B1 (en) | 2000-04-14 | 2004-04-13 | Seiko Epson Corporation | Artifact reduction using adaptive nonlinear filters |
US7107453B2 (en) * | 2000-05-25 | 2006-09-12 | Hewlett-Packard Development Company, L.P. | Authenticatable graphical bar codes |
US6751352B1 (en) * | 2000-05-25 | 2004-06-15 | Hewlett-Packard Development Company, L.P. | Method and apparatus for generating and decoding a visually significant barcode |
US6636645B1 (en) * | 2000-06-29 | 2003-10-21 | Eastman Kodak Company | Image processing method for reducing noise and blocking artifact in a digital image |
US7187475B1 (en) * | 2000-09-28 | 2007-03-06 | Zoran Corporation | System and method for a robust de-screening filter |
US6731821B1 (en) * | 2000-09-29 | 2004-05-04 | Hewlett-Packard Development Company, L.P. | Method for enhancing compressibility and visual quality of scanned document images |
WO2002045020A1 (en) * | 2000-11-30 | 2002-06-06 | Canon Kabushiki Kaisha | Image processing device, image processing method, storage medium, and program |
CN1291354C (zh) * | 2000-11-30 | 2006-12-20 | 佳能株式会社 | 图象处理装置、图象处理方法、存储介质和程序 |
US6938017B2 (en) * | 2000-12-01 | 2005-08-30 | Hewlett-Packard Development Company, L.P. | Scalable, fraud resistant graphical payment indicia |
US6839152B2 (en) | 2000-12-06 | 2005-01-04 | Xerox Corporation | Adaptive filtering method and apparatus for descreening scanned halftoned image representations |
US6738524B2 (en) * | 2000-12-15 | 2004-05-18 | Xerox Corporation | Halftone detection in the wavelet domain |
US7006255B2 (en) * | 2001-03-29 | 2006-02-28 | Sharp Laboratories Of America | Adaptive image filtering based on a distance transform |
US6839450B2 (en) * | 2001-04-26 | 2005-01-04 | Hewlett-Packard Development Company, L.P. | Detecting halftone modulations embedded in an image |
US7046854B2 (en) * | 2001-05-07 | 2006-05-16 | Hrl Laboratories, Llc | Signal processing subband coder architecture |
US7206459B2 (en) * | 2001-07-31 | 2007-04-17 | Ricoh Co., Ltd. | Enhancement of compressed images |
US7187806B2 (en) * | 2001-08-23 | 2007-03-06 | Hewlett-Packard Development Company, L.P. | System and method for embedding information within a printed image using block error diffusion halftoning |
KR100403601B1 (ko) * | 2001-12-21 | 2003-10-30 | 삼성전자주식회사 | 영상의 윤곽선 보정 장치 및 방법 |
US7085015B2 (en) | 2002-02-01 | 2006-08-01 | Seiko Epson Corporation | Inverse halftoning for multi-level halftones |
US7120305B2 (en) * | 2002-04-16 | 2006-10-10 | Ricoh, Co., Ltd. | Adaptive nonlinear image enlargement using wavelet transform coefficients |
US7185388B2 (en) * | 2002-08-06 | 2007-03-06 | Harper Brush Works, Inc. | Power wave floor squeegee and handle connector |
US6993185B2 (en) | 2002-08-30 | 2006-01-31 | Matsushita Electric Industrial Co., Ltd. | Method of texture-based color document segmentation |
US7430334B2 (en) * | 2003-07-31 | 2008-09-30 | Hewlett Packard Development Company, L.P. | Digital imaging systems, articles of manufacture, and digital image processing methods |
US20080159640A1 (en) * | 2003-11-06 | 2008-07-03 | Chaoqiang Liu | Document Image Encoding Decoding |
US7653255B2 (en) | 2004-06-02 | 2010-01-26 | Adobe Systems Incorporated | Image region of interest encoding |
EP1865460B1 (de) * | 2005-03-31 | 2011-05-04 | Nikon Corporation | Bildverarbeitungsverfahren |
US7561747B2 (en) * | 2005-12-23 | 2009-07-14 | Xerox Corporation | Image data processing system and method |
US7697789B2 (en) * | 2006-04-28 | 2010-04-13 | Xerox Corporation | System and method for enhancing stored binary images |
EP2053557B1 (de) * | 2006-08-17 | 2013-11-06 | Fujitsu Limited | Bildverarbeitungseinrichtung, bildverarbeitungsprogramm und bildverarbeitungsverfahren |
JP4952796B2 (ja) * | 2007-12-25 | 2012-06-13 | 富士通株式会社 | 画像処理装置 |
JP5213670B2 (ja) * | 2008-01-16 | 2013-06-19 | 三洋電機株式会社 | 撮像装置及びぶれ補正方法 |
US8120679B2 (en) * | 2008-08-01 | 2012-02-21 | Nikon Corporation | Image processing method |
US8023153B2 (en) * | 2008-09-30 | 2011-09-20 | Xerox Corporation | Content-aware halftone image resizing |
US8077357B2 (en) * | 2008-09-30 | 2011-12-13 | Xerox Corporation | Content-aware resizing of uniform rosette color halftone images |
US8098404B2 (en) * | 2008-09-30 | 2012-01-17 | Xerox Corporation | Content-aware uniform rosette color halftone image resizing using iterative determination of energy metrics |
US8077356B2 (en) * | 2008-09-30 | 2011-12-13 | Xerox Corporation | Content-aware halftone image resizing using iterative determination of energy metrics |
US8515181B2 (en) * | 2009-02-11 | 2013-08-20 | Ecole De Technologie Superieure | Method and system for determining a quality measure for an image using a variable number of multi-level decompositions |
US8326046B2 (en) | 2009-02-11 | 2012-12-04 | Ecole De Technologie Superieure | Method and system for determining structural similarity between images |
US8515182B2 (en) | 2009-02-11 | 2013-08-20 | Ecole De Technologie Superieure | Method and system for determining a quality measure for an image using multi-level decomposition of images |
US8760572B2 (en) * | 2009-11-19 | 2014-06-24 | Siemens Aktiengesellschaft | Method for exploiting structure in sparse domain for magnetic resonance image reconstruction |
US8983206B2 (en) | 2011-05-04 | 2015-03-17 | Ecole de Techbologie Superieure | Method and system for increasing robustness of visual quality metrics using spatial shifting |
JP5773781B2 (ja) * | 2011-06-30 | 2015-09-02 | 株式会社東芝 | 超音波診断装置、画像処理装置及びプログラム |
JP5385487B1 (ja) * | 2012-02-29 | 2014-01-08 | 独立行政法人科学技術振興機構 | スーパーハイブリッド画像生成装置、スーパーハイブリッド画像生成方法、印刷媒体製造方法、電子媒体製造方法、および、プログラム |
TWI532011B (zh) | 2012-05-14 | 2016-05-01 | 國立研究開發法人科學技術振興機構 | 影像處理裝置、影像處理方法、程式、印刷媒體及記錄媒體 |
US20150363904A1 (en) * | 2013-01-30 | 2015-12-17 | Japan Science And Technology Agency | Digital filter for image processing, image processing apparatus, printing medium, recording medium, image processing method, and program |
US9215345B2 (en) * | 2013-03-26 | 2015-12-15 | Xerox Corporation | Method and system for inverse halftoning utilizing inverse projection of predicted errors |
CN108734680A (zh) * | 2018-05-29 | 2018-11-02 | 电子科技大学 | 一种自适应选择样本块大小的图像修复方法 |
CN108876741B (zh) * | 2018-06-22 | 2021-08-24 | 中国矿业大学(北京) | 一种复杂光照条件下的图像增强方法 |
CN110677140B (zh) * | 2019-10-28 | 2021-07-02 | 北京航空航天大学 | 一种含未知输入和非高斯量测噪声的随机系统滤波器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4630125A (en) * | 1983-06-01 | 1986-12-16 | Xerox Corporation | Unscreening of stored digital halftone images |
US5027078A (en) * | 1989-10-10 | 1991-06-25 | Xerox Corporation | Unscreening of stored digital halftone images by logic filtering |
US5339170A (en) * | 1991-12-31 | 1994-08-16 | Xerox Corporation | Image processing system and method employing hybrid filtering to provide improved reconstruction of continuous tone images from halftone screen-structured images |
US5243444A (en) * | 1992-03-25 | 1993-09-07 | Xerox Corporation | Image processing system and method with improved reconstruction of continuous tone images from halftone images including those without a screen structure |
US5239390A (en) * | 1992-06-05 | 1993-08-24 | Eastman Kodak Company | Image processing method to remove halftone screens |
US5343309A (en) * | 1992-08-12 | 1994-08-30 | Xerox Corporation | Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure |
JP3293920B2 (ja) * | 1993-01-22 | 2002-06-17 | キヤノン株式会社 | 画像処理装置およびその方法 |
US5471320A (en) * | 1994-05-11 | 1995-11-28 | Xerox Corporation | Stack filters for 1-to-N bit image processing in electronic printers |
-
1996
- 1996-08-30 US US08/708,014 patent/US5799112A/en not_active Expired - Lifetime
-
1997
- 1997-08-21 EP EP97306400A patent/EP0827333B1/de not_active Expired - Lifetime
- 1997-08-21 DE DE69738897T patent/DE69738897D1/de not_active Expired - Lifetime
- 1997-08-22 JP JP24196397A patent/JP3964503B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0827333A2 (de) | 1998-03-04 |
EP0827333A3 (de) | 1999-12-29 |
JPH1098628A (ja) | 1998-04-14 |
JP3964503B2 (ja) | 2007-08-22 |
US5799112A (en) | 1998-08-25 |
EP0827333B1 (de) | 2008-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |