FR2647918B1 - IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS - Google Patents

IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS

Info

Publication number
FR2647918B1
FR2647918B1 FR8907237A FR8907237A FR2647918B1 FR 2647918 B1 FR2647918 B1 FR 2647918B1 FR 8907237 A FR8907237 A FR 8907237A FR 8907237 A FR8907237 A FR 8907237A FR 2647918 B1 FR2647918 B1 FR 2647918B1
Authority
FR
France
Prior art keywords
image processing
processing process
contrast analysis
scale contrast
scale
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
FR8907237A
Other languages
French (fr)
Other versions
FR2647918A1 (en
Inventor
Marc Duval-Destin
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.)
Direction General pour lArmement DGA
Original Assignee
Direction General pour lArmement DGA
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 Direction General pour lArmement DGA filed Critical Direction General pour lArmement DGA
Priority to FR8907237A priority Critical patent/FR2647918B1/en
Publication of FR2647918A1 publication Critical patent/FR2647918A1/en
Application granted granted Critical
Publication of FR2647918B1 publication Critical patent/FR2647918B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G06T5/94—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration by non-spatial domain filtering
    • 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
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • 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]
FR8907237A 1989-06-01 1989-06-01 IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS Expired - Fee Related FR2647918B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8907237A FR2647918B1 (en) 1989-06-01 1989-06-01 IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8907237A FR2647918B1 (en) 1989-06-01 1989-06-01 IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS

Publications (2)

Publication Number Publication Date
FR2647918A1 FR2647918A1 (en) 1990-12-07
FR2647918B1 true FR2647918B1 (en) 1991-09-06

Family

ID=9382253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8907237A Expired - Fee Related FR2647918B1 (en) 1989-06-01 1989-06-01 IMAGE PROCESSING PROCESS BY SCALE CONTRAST ANALYSIS

Country Status (1)

Country Link
FR (1) FR2647918B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0712092A1 (en) * 1994-11-10 1996-05-15 Agfa-Gevaert N.V. Image contrast enhancing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2293011A1 (en) * 1974-09-16 1976-06-25 France Etat Image processor normalising and enhancing image contrast - uses programme statistical pipe-line processor to calculate new brightness for each point in image

Also Published As

Publication number Publication date
FR2647918A1 (en) 1990-12-07

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse