Devices for judging image on the basis of gray world assumption,

Details Devices for judging image on the basis of gray world assumption, Devices for judging image on the basis of gray world assumption,

1992-06-22

1995-09-05

Voeltz, Emanuel T.

Boots, shoes, and leggings

358530, 362 5, 382165, 356421, H04N 964

Patent

active

054485029

ABSTRACT:
An image judging device provided with a sampling unit for obtaining image data suitable for judging quality of an image by sampling image signals obtained by color separation, a calculation unit for calculating a statistic representing characteristics of a distribution of the sampled image data and a judgement unit for judging the quality of the image according to the calculated statistic. Thus, a statistical processing of the image data can be performed correctly. Further, an error rate, at which a wrong light source is deduced, can be decreased in comparison with a conventional device.

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patent: 4962540 (1990-10-01), Tsujiuchi et al.
patent: 5182636 (1993-01-01), Kikuchi et al.
patent: 5221963 (1993-06-01), Hashimoto et al.
"Learning Internal Representations by Error Propagation" by D. E. Rumelhart et al; Parallel Distributed Processiong, vol. 1 Foundations; 1986; pp. 319-328.

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