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EP0348703A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Image processing method

Assignee: Ezel Inc
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Filing: 1989-06-07
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Granted: —
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Expires: 2009-06-07
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Abstract

Abstract An image processing method for expansion comprising steps: calculating the maximum value of density of pixels in each of predetermined convolution of an image; and giving the maximum value to pixel to be processed in the convolution.

Inventors

  • 👤 Ryohei Ezel Inc. Nihonseimei Yotsuya Bldg Kumagai

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 12:38
CPC Classifications
G; G06; G06T; G06T3/00; G06T3/40

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 39 words
(1) An image processing method for expansion comprising steps: calculating the maximum value of density of pixels in each of predetermined convolution of an image; and giving said maximum value to a pixel to be processed in said convolution.
Claim 2
Dependent Claim 39 words
(2) An image processing method for contraction comprising steps: calculating the minimum value of density of pixels in each of predetermined convolution of an image; and giving said minimum value to a pixel to be processed in said convolution.
Claim 3
Dependent Claim 18 words
(3) An image processing method according to Claim 1 and 2, wherein said convolution consists of 3x3 pixels.

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