GB1438167A - Method of image enhancement - Google Patents

Method of image enhancement

Info

Publication number
GB1438167A
GB1438167A GB3081473A GB3081473A GB1438167A GB 1438167 A GB1438167 A GB 1438167A GB 3081473 A GB3081473 A GB 3081473A GB 3081473 A GB3081473 A GB 3081473A GB 1438167 A GB1438167 A GB 1438167A
Authority
GB
United Kingdom
Prior art keywords
image enhancement
image
unsharpness
spacially
heading
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
Application number
GB3081473A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1438167A publication Critical patent/GB1438167A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB3081473A 1972-07-01 1973-06-28 Method of image enhancement Expired GB1438167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722232359 DE2232359A1 (de) 1972-07-01 1972-07-01 Verfahren zur bildverbesserung durch entfaltung mit hilfe mehrerer inverser filter komplementaerer aperturen

Publications (1)

Publication Number Publication Date
GB1438167A true GB1438167A (en) 1976-06-03

Family

ID=5849389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3081473A Expired GB1438167A (en) 1972-07-01 1973-06-28 Method of image enhancement

Country Status (8)

Country Link
JP (1) JPS4953854A (es)
BE (1) BE801745A (es)
CA (1) CA1004891A (es)
DE (1) DE2232359A1 (es)
FR (1) FR2191142B1 (es)
GB (1) GB1438167A (es)
IT (1) IT990828B (es)
NL (1) NL7308914A (es)

Also Published As

Publication number Publication date
CA1004891A (en) 1977-02-08
DE2232359A1 (de) 1974-01-03
NL7308914A (es) 1974-01-03
BE801745A (fr) 1974-01-02
FR2191142B1 (es) 1976-06-18
IT990828B (it) 1975-07-10
JPS4953854A (es) 1974-05-25
FR2191142A1 (es) 1974-02-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees