JP2001169112A - 不十分な階調精度を有する画像をフィルタリングするための方法および装置 - Google Patents

不十分な階調精度を有する画像をフィルタリングするための方法および装置

Info

Publication number
JP2001169112A
JP2001169112A JP2000316501A JP2000316501A JP2001169112A JP 2001169112 A JP2001169112 A JP 2001169112A JP 2000316501 A JP2000316501 A JP 2000316501A JP 2000316501 A JP2000316501 A JP 2000316501A JP 2001169112 A JP2001169112 A JP 2001169112A
Authority
JP
Japan
Prior art keywords
bit word
bit
image
words
value
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.)
Pending
Application number
JP2000316501A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001169112A5 (https=
Inventor
Irwin Sobel
イルウィン・ソベル
Ron Kimmel
ロン・キメル
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001169112A publication Critical patent/JP2001169112A/ja
Publication of JP2001169112A5 publication Critical patent/JP2001169112A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2000316501A 1999-10-28 2000-10-17 不十分な階調精度を有する画像をフィルタリングするための方法および装置 Pending JP2001169112A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/429245 1999-10-28
US09/429,245 US6731822B1 (en) 1999-10-28 1999-10-28 Method and apparatus for filtering images having insufficient tonal precision

Publications (2)

Publication Number Publication Date
JP2001169112A true JP2001169112A (ja) 2001-06-22
JP2001169112A5 JP2001169112A5 (https=) 2005-07-21

Family

ID=23702426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000316501A Pending JP2001169112A (ja) 1999-10-28 2000-10-17 不十分な階調精度を有する画像をフィルタリングするための方法および装置

Country Status (3)

Country Link
US (1) US6731822B1 (https=)
EP (1) EP1096425A3 (https=)
JP (1) JP2001169112A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007063771A1 (ja) * 2005-11-30 2007-06-07 Nec Corporation 画像処理装置、表示装置、画像処理方法及びプログラム

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3753584B2 (ja) * 2000-02-15 2006-03-08 富士通株式会社 画像処理装置
WO2002005543A1 (en) * 2000-07-06 2002-01-17 Seiko Epson Corporation Image processing method, recording medium, and image processing device
WO2003039132A1 (en) * 2001-10-08 2003-05-08 Indigo N.V. Gradation smoothing
US11677938B2 (en) * 2008-04-30 2023-06-13 Arris Enterprises Llc Method to reduce contour artifacts on recursive temporal filters
EP2362962A1 (en) * 2008-12-01 2011-09-07 Marvell World Trade Ltd. Bit resolution enhancement
EP2869260A1 (en) * 2013-10-29 2015-05-06 Thomson Licensing Method and apparatus for generating from a quantised image having a first bit depth a corresponding image having a second bit depth

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654634A (en) 1983-03-16 1987-03-31 Tektronix, Inc. Apparatus for processing a sequence of digital data values
US5469516A (en) * 1990-11-29 1995-11-21 Linotype-Hell Ag Method for generating and storing digitized density thresholds for rastering a half tone original image
US5905820A (en) 1991-12-18 1999-05-18 Eastman Kodak Company Enhancement of digital images for electronic displays
US5963201A (en) * 1992-05-11 1999-10-05 Apple Computer, Inc. Color processing system
US5539667A (en) 1992-09-15 1996-07-23 Gcc Technologies Method and apparatus for improved digital film recorder
US5374932A (en) * 1993-08-02 1994-12-20 Massachusetts Institute Of Technology Airport surface surveillance system
US5625755A (en) * 1994-07-01 1997-04-29 Seiko Epson Corporation Method and apparatus for tonal correction in binary printing devices by predistortion of image data utilizing ink reduction processing
US5684932A (en) * 1994-07-01 1997-11-04 Seiko Epson Corporation Method and apparatus for dither array generation to reduce artifacts in halftoned image data utilizing ink reduction processing
US5592592A (en) * 1994-07-01 1997-01-07 Seiko Epson Corporation Method and apparatus for minimizing artifacts in images produced by error diffusion halftoning utilizing ink reduction processing
US5553200A (en) 1995-03-03 1996-09-03 Electronics For Imaging, Inc. Method and apparatus for providing bit-rate reduction and reconstruction of image data using dither arrays
US5699079A (en) 1995-11-21 1997-12-16 Silicon Graphics, Inc. Restoration filter for truncated pixels
US5777624A (en) 1996-01-02 1998-07-07 Intel Corporation Method and apparatus for eliminating visual artifacts caused by diffusing errors in a decimated video signal
ATE205621T1 (de) 1998-04-03 2001-09-15 Da Vinci Systems Inc Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007063771A1 (ja) * 2005-11-30 2007-06-07 Nec Corporation 画像処理装置、表示装置、画像処理方法及びプログラム
JP4816970B2 (ja) * 2005-11-30 2011-11-16 日本電気株式会社 画像処理装置、表示装置、画像処理方法及びプログラム
US8189941B2 (en) 2005-11-30 2012-05-29 Nec Corporation Image processing device, display device, image processing method, and program

Also Published As

Publication number Publication date
EP1096425A3 (en) 2003-06-18
EP1096425A2 (en) 2001-05-02
US6731822B1 (en) 2004-05-04

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