DE69629445T2 - Automatische Tonskalenabstimmung mittels Bildaktivitätsmessungen - Google Patents

Automatische Tonskalenabstimmung mittels Bildaktivitätsmessungen Download PDF

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Publication number
DE69629445T2
DE69629445T2 DE69629445T DE69629445T DE69629445T2 DE 69629445 T2 DE69629445 T2 DE 69629445T2 DE 69629445 T DE69629445 T DE 69629445T DE 69629445 T DE69629445 T DE 69629445T DE 69629445 T2 DE69629445 T2 DE 69629445T2
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DE
Germany
Prior art keywords
image
code value
noise
histogram
input 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 - Fee Related
Application number
DE69629445T
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German (de)
English (en)
Other versions
DE69629445D1 (de
Inventor
Hsien-Che Rochester Lee
Lori Lynn Rochester Barski
Robert Allen Rochester Senn
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.)
Carestream Health Inc
Original Assignee
Eastman Kodak Co
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Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69629445D1 publication Critical patent/DE69629445D1/de
Application granted granted Critical
Publication of DE69629445T2 publication Critical patent/DE69629445T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69629445T 1995-12-22 1996-12-05 Automatische Tonskalenabstimmung mittels Bildaktivitätsmessungen Expired - Fee Related DE69629445T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US577756 1995-12-22
US08/577,756 US5633511A (en) 1995-12-22 1995-12-22 Automatic tone scale adjustment using image activity measures

Publications (2)

Publication Number Publication Date
DE69629445D1 DE69629445D1 (de) 2003-09-18
DE69629445T2 true DE69629445T2 (de) 2004-07-01

Family

ID=24310022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69629445T Expired - Fee Related DE69629445T2 (de) 1995-12-22 1996-12-05 Automatische Tonskalenabstimmung mittels Bildaktivitätsmessungen

Country Status (4)

Country Link
US (1) US5633511A (enExample)
EP (1) EP0780791B1 (enExample)
JP (1) JPH09191408A (enExample)
DE (1) DE69629445T2 (enExample)

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US6735330B1 (en) 2000-10-17 2004-05-11 Eastman Kodak Company Automatic digital radiographic bright light
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US7062108B2 (en) * 2001-06-12 2006-06-13 Eastman Kodak Company Method for estimating the appearance of noise in images
US6856702B2 (en) * 2001-06-28 2005-02-15 Andrew C. Gallagher System and method for selecting an image processing path using estimated appearance of noise
US6894720B2 (en) * 2001-08-30 2005-05-17 Hewlett-Packard Development Company, L.P. Method and apparatus for applying tone mapping functions to color images
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US7046400B2 (en) * 2002-01-31 2006-05-16 Eastman Kodak Company Adjusting the color, brightness, and tone scale of rendered digital images
DE10213284B4 (de) * 2002-03-25 2007-11-08 Siemens Ag Verfahren zur Bilddarstellung in der medizinischen Bildgebung
US7136073B2 (en) * 2002-10-17 2006-11-14 Canon Kabushiki Kaisha Automatic tone mapping for images
US7149358B2 (en) * 2002-11-27 2006-12-12 General Electric Company Method and system for improving contrast using multi-resolution contrast based dynamic range management
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FR2858088B1 (fr) * 2003-07-25 2005-10-07 Eastman Kodak Co Procede de modification numerique de l'exposition d'images
US20050123193A1 (en) * 2003-12-05 2005-06-09 Nokia Corporation Image adjustment with tone rendering curve
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US7519207B2 (en) * 2004-11-19 2009-04-14 Carestream Health, Inc. Detection and correction method for radiograph orientation
US7574028B2 (en) * 2004-11-23 2009-08-11 Carestream Health, Inc. Method for recognizing projection views of radiographs
US7738684B2 (en) * 2004-11-24 2010-06-15 General Electric Company System and method for displaying images on a PACS workstation based on level of significance
JP4427001B2 (ja) * 2005-05-13 2010-03-03 オリンパス株式会社 画像処理装置、画像処理プログラム
JP4707471B2 (ja) * 2005-06-10 2011-06-22 株式会社日立メディコ 画像処理プログラム、装置及び方法
US7627166B2 (en) * 2005-09-28 2009-12-01 Yahoo! Inc. Method and mechanism for processing image data
US8139828B2 (en) * 2005-10-21 2012-03-20 Carestream Health, Inc. Method for enhanced visualization of medical images
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US7583839B2 (en) * 2005-10-31 2009-09-01 Yahoo! Inc. Method and mechanism for analyzing the texture of a digital image
US7831111B2 (en) * 2005-10-31 2010-11-09 Yahoo! Inc. Method and mechanism for retrieving images
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US20070242869A1 (en) * 2006-04-12 2007-10-18 Eastman Kodak Company Processing and measuring the spine in radiographs
US20080089602A1 (en) * 2006-10-17 2008-04-17 Eastman Kodak Company Advanced automatic digital radiographic hot light method and apparatus
US8150110B2 (en) * 2006-11-22 2012-04-03 Carestream Health, Inc. ROI-based rendering for diagnostic image consistency
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Also Published As

Publication number Publication date
DE69629445D1 (de) 2003-09-18
EP0780791A2 (en) 1997-06-25
JPH09191408A (ja) 1997-07-22
EP0780791B1 (en) 2003-08-13
EP0780791A3 (en) 1998-04-29
US5633511A (en) 1997-05-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CARESTREAM HEALTH, INC., ROCHESTER, N. Y., US

8339 Ceased/non-payment of the annual fee