DE60302924D1 - Anpassungsfähige nichtlineare Bildvergrösserung mittels Wavelet-Transformkoeffizienten - Google Patents

Anpassungsfähige nichtlineare Bildvergrösserung mittels Wavelet-Transformkoeffizienten

Info

Publication number
DE60302924D1
DE60302924D1 DE60302924T DE60302924T DE60302924D1 DE 60302924 D1 DE60302924 D1 DE 60302924D1 DE 60302924 T DE60302924 T DE 60302924T DE 60302924 T DE60302924 T DE 60302924T DE 60302924 D1 DE60302924 D1 DE 60302924D1
Authority
DE
Germany
Prior art keywords
adaptable
transform coefficients
wavelet transform
image magnification
nonlinear 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
Application number
DE60302924T
Other languages
English (en)
Other versions
DE60302924T2 (de
Inventor
Kathrin Berkner
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE60302924D1 publication Critical patent/DE60302924D1/de
Publication of DE60302924T2 publication Critical patent/DE60302924T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/403—Edge-driven scaling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4084—Transform-based scaling, e.g. FFT domain scaling
    • G06T5/70—
    • G06T5/75—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20064—Wavelet transform [DWT]
DE60302924T 2002-04-16 2003-04-15 Anpassungsfähige nichtlineare Bildvergrösserung mittels Wavelet-Transformkoeffizienten Expired - Lifetime DE60302924T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/124,290 US7120305B2 (en) 2002-04-16 2002-04-16 Adaptive nonlinear image enlargement using wavelet transform coefficients
US124290 2002-04-16

Publications (2)

Publication Number Publication Date
DE60302924D1 true DE60302924D1 (de) 2006-02-02
DE60302924T2 DE60302924T2 (de) 2006-08-17

Family

ID=28674688

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60302924T Expired - Lifetime DE60302924T2 (de) 2002-04-16 2003-04-15 Anpassungsfähige nichtlineare Bildvergrösserung mittels Wavelet-Transformkoeffizienten

Country Status (4)

Country Link
US (1) US7120305B2 (de)
EP (2) EP1355271B1 (de)
JP (1) JP4035474B2 (de)
DE (1) DE60302924T2 (de)

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US9324133B2 (en) 2012-01-04 2016-04-26 Sharp Laboratories Of America, Inc. Image content enhancement using a dictionary technique
US20140086319A1 (en) * 2012-09-25 2014-03-27 Sony Corporation Video coding system with adaptive upsampling and method of operation thereof
JP6344934B2 (ja) * 2014-03-04 2018-06-20 キヤノン株式会社 画像処理方法、画像処理装置、撮像装置、画像処理プログラムおよび記録媒体
CN104299185A (zh) 2014-09-26 2015-01-21 京东方科技集团股份有限公司 一种图像放大方法、图像放大装置及显示设备
CN104392411B (zh) * 2014-12-12 2017-06-16 中国农业大学 基于Shannon‑Blackman小波稀疏表达的图像处理方法及装置
US10387991B2 (en) * 2016-07-01 2019-08-20 Intel Corporation Method and apparatus for frame buffer compression
CN110570874B (zh) * 2018-06-05 2021-10-22 中国科学院声学研究所 一种用于监测野外鸟类鸣声强度及分布的系统及其方法
CN109377463B (zh) * 2018-11-30 2022-01-04 上海集成电路研发中心有限公司 一种提高小波去噪效果的图像预处理方法
CN117036987B (zh) * 2023-10-10 2023-12-08 武汉大学 一种基于小波域交叉配对的遥感影像时空融合方法及系统

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Also Published As

Publication number Publication date
JP4035474B2 (ja) 2008-01-23
EP1610267A2 (de) 2005-12-28
EP1610267B1 (de) 2011-06-08
EP1355271B1 (de) 2005-12-28
US20030194150A1 (en) 2003-10-16
US7120305B2 (en) 2006-10-10
EP1355271A1 (de) 2003-10-22
EP1610267A3 (de) 2006-04-12
DE60302924T2 (de) 2006-08-17
JP2003348328A (ja) 2003-12-05

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