KR100364753B1 - 칼라 히스토그램의 빈값 양자화 방법 - Google Patents
칼라 히스토그램의 빈값 양자화 방법 Download PDFInfo
- Publication number
- KR100364753B1 KR100364753B1 KR1019990051428A KR19990051428A KR100364753B1 KR 100364753 B1 KR100364753 B1 KR 100364753B1 KR 1019990051428 A KR1019990051428 A KR 1019990051428A KR 19990051428 A KR19990051428 A KR 19990051428A KR 100364753 B1 KR100364753 B1 KR 100364753B1
- Authority
- KR
- South Korea
- Prior art keywords
- color histogram
- image
- color
- value
- bin
- Prior art date
Links
- 238000013139 quantization Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000013507 mapping Methods 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000003086 colorant Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000001953 sensory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration using histogram techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/56—Extraction of image or video features relating to colour
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
- H04N1/644—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor using a reduced set of representative colours, e.g. each representing a particular range in a colour space
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Analysis (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (10)
- 이미지나 비디오의 칼라 히스토그램의 빈값을 구하여 양자화함에 있어서,상기 칼라 히스토그램의 빈값이 '0'인 경우와 임계치 이상인 경우는 각각 하나의 양자로 맵핑시켜 양자화를 수행하고, 상기 빈값 '0'을 초과하며 임계치 미만인 구간의 빈값에 대해서는 기 설정된 양자화 간격으로 양자화를 수행하는 것을 특징으로 하는 칼라 히스토그램의 빈값 양자화 방법.
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 빈값 '0'을 초과하며 임계치 미만인 구간의 빈값의 양자화 간격은 균등하게 설정된 것을 특징으로 하는 칼라 히스토그램의 빈값 양자화 방법.
- 제 1 항에 있어서,상기 빈값 '0'을 초과하며 임계치 미만인 구간의 빈값의 양자화 간격은 비균등하게 설정된 것을 특징으로 하는 칼라 히스토그램의 빈값 양자화 방법.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990051428A KR100364753B1 (ko) | 1999-11-19 | 1999-11-19 | 칼라 히스토그램의 빈값 양자화 방법 |
EP20040077887 EP1510970A1 (en) | 1999-11-19 | 2000-11-15 | Colour image quantization |
EP00310152.4A EP1102212B1 (en) | 1999-11-19 | 2000-11-15 | Colour image quantization system |
US09/712,932 US6952495B1 (en) | 1999-11-19 | 2000-11-16 | Method for quantization of histogram bin value of image |
JP2000349161A JP3538141B2 (ja) | 1999-11-19 | 2000-11-16 | イメージのカラーヒストグラムビン値の量子化方法 |
CNB001324276A CN1169093C (zh) | 1999-11-19 | 2000-11-20 | 图像的直方图单元条值的量化方法 |
CNB2004100558940A CN1290062C (zh) | 1999-11-19 | 2000-11-20 | 图像的直方图单元条值的量化方法 |
US10/988,587 US7088856B2 (en) | 1999-11-19 | 2004-11-16 | Method for quantization of histogram bin value of image |
US11/455,716 US7376271B2 (en) | 1999-11-19 | 2006-06-20 | Method for quantization of histogram bin value of image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990051428A KR100364753B1 (ko) | 1999-11-19 | 1999-11-19 | 칼라 히스토그램의 빈값 양자화 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010047282A KR20010047282A (ko) | 2001-06-15 |
KR100364753B1 true KR100364753B1 (ko) | 2002-12-16 |
Family
ID=19620777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990051428A KR100364753B1 (ko) | 1999-11-19 | 1999-11-19 | 칼라 히스토그램의 빈값 양자화 방법 |
Country Status (5)
Country | Link |
---|---|
US (3) | US6952495B1 (ko) |
EP (2) | EP1510970A1 (ko) |
JP (1) | JP3538141B2 (ko) |
KR (1) | KR100364753B1 (ko) |
CN (2) | CN1169093C (ko) |
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US7684483B2 (en) * | 2002-08-29 | 2010-03-23 | Raritan Americas, Inc. | Method and apparatus for digitizing and compressing remote video signals |
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CN100370475C (zh) * | 2005-07-28 | 2008-02-20 | 上海交通大学 | 基于非均匀量化颜色特征矢量的敏感图像过滤方法 |
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JP4992117B2 (ja) * | 2008-03-24 | 2012-08-08 | 株式会社メガチップス | 画像処理装置 |
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US8374914B2 (en) * | 2008-08-06 | 2013-02-12 | Obschestvo S Ogranichennoi Otvetstvennostiu “Kuznetch” | Advertising using image comparison |
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JP4982538B2 (ja) * | 2009-08-19 | 2012-07-25 | ヤフー株式会社 | カラーヒストグラム生成装置、カラーヒストグラム生成方法及びプログラム |
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US8897553B2 (en) | 2011-12-13 | 2014-11-25 | The Nielsen Company (Us), Llc | Image comparison using color histograms |
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CN102881026B (zh) * | 2012-08-15 | 2015-01-07 | 大连理工大学 | 一种具有透明度信息的图像的调色板装置与生成方法 |
JP2015173312A (ja) * | 2014-03-11 | 2015-10-01 | ソニー株式会社 | 画像符号化装置および方法、並びに画像復号装置および方法 |
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US11295208B2 (en) * | 2017-12-04 | 2022-04-05 | International Business Machines Corporation | Robust gradient weight compression schemes for deep learning applications |
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JPH11316843A (ja) * | 1998-01-26 | 1999-11-16 | Xerox Corp | デジタル画像の適応量子化のための画像ブロックのタイプ判定方法 |
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-
1999
- 1999-11-19 KR KR1019990051428A patent/KR100364753B1/ko active IP Right Grant
-
2000
- 2000-11-15 EP EP20040077887 patent/EP1510970A1/en not_active Withdrawn
- 2000-11-15 EP EP00310152.4A patent/EP1102212B1/en not_active Expired - Lifetime
- 2000-11-16 JP JP2000349161A patent/JP3538141B2/ja not_active Expired - Fee Related
- 2000-11-16 US US09/712,932 patent/US6952495B1/en not_active Expired - Fee Related
- 2000-11-20 CN CNB001324276A patent/CN1169093C/zh not_active Expired - Fee Related
- 2000-11-20 CN CNB2004100558940A patent/CN1290062C/zh not_active Expired - Fee Related
-
2004
- 2004-11-16 US US10/988,587 patent/US7088856B2/en not_active Expired - Fee Related
-
2006
- 2006-06-20 US US11/455,716 patent/US7376271B2/en not_active Expired - Fee Related
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US5418895A (en) * | 1992-11-25 | 1995-05-23 | Eastman Kodak Company | Method for displaying a high quality digital color image on a limited color display |
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Also Published As
Publication number | Publication date |
---|---|
US20060233440A1 (en) | 2006-10-19 |
EP1102212A3 (en) | 2003-03-26 |
US7376271B2 (en) | 2008-05-20 |
US7088856B2 (en) | 2006-08-08 |
JP3538141B2 (ja) | 2004-06-14 |
EP1510970A1 (en) | 2005-03-02 |
JP2001209800A (ja) | 2001-08-03 |
CN1169093C (zh) | 2004-09-29 |
US20050089222A1 (en) | 2005-04-28 |
CN1573812A (zh) | 2005-02-02 |
EP1102212A2 (en) | 2001-05-23 |
CN1290062C (zh) | 2006-12-13 |
CN1297211A (zh) | 2001-05-30 |
KR20010047282A (ko) | 2001-06-15 |
EP1102212B1 (en) | 2016-04-13 |
US6952495B1 (en) | 2005-10-04 |
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