Noritsu Koki Co., Ltd.

Shigeru Omatsu

Koji Kita

Yasue Mitsukura

Minoru Fukumi

Kensuke Mitsukura

Kouichi Kugo

To provide a region detecting method capable of setting a proper threshold independently of a photographing condition and moreover, quickly and accurately detecting a specific region, which uses an image data storing sectionfor storing a sample imageand a purposed image, a first computing meansfor obtaining the extraction-region-identifying threshold data for a plurality of sample images including a common extraction region but having average color values different from each other in accordance with a genetic algorithm and generating a threshold tablefor the average color values, a second computing meansfor adaptively computing the extraction-region-identifying threshold data for the purposed imagein accordance with the average color value of the purposed image and the threshold table, and a third computing meansfor detecting an extraction region in accordance with the threshold data computed by the second computing means

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Sakai, Japan

Shigeru Omatsu