1
Mutsuo Sano, Masashi Okudaira, Eiji Mitsuya, Joji Sahashi, Hisao Kuroda, Shuichi Ohara: Image inspection/recognition method, method of generating reference data for use therein, and apparatuses therefor. Nippon Telegraph and Telephone Corporation, Pollock Vande Sande & Priddy, June 10, 1997: US05638465 (62 worldwide citation)

An image of a part is used to judge whether it is good or no good. A predetermined intensity, edge or similar feature image is extracted from the inspected image and is quantized. The quantized feature image is obtained from a training image in advance, and the feature is subjected to a generalized ...


2
Eiji Mitsuya, Tomio Kishimoto, Katsusuke Hoshida, Naohiko Kamae: Picture signal coding apparatus. Nippon Telegraph and Telephone Public Corporation, Pollock Vande Sande and Priddy, May 27, 1980: US04205341 (60 worldwide citation)

A frame of a gray-scaled picture is divided into blocks, in each of which the mean luminance of picture elements is used as a threshold value for comparison with each picture element signal to classify it into 0 or 1 according to its magnitude to provide a resolution component. From the resolution c ...


3
Eiji Mitsuya, Shinichi Murakami, Katsumi Mori, Tomio Kishimoto, Takahiko Kamae: Picture coding and/or decoding equipment. Nippon Telegraph and Telephone Public Corporation, Pollock Vande Sande & Priddy, March 9, 1982: US04319267 (54 worldwide citation)

A color picture is separated into three color component pictures, which are divided respectively by first, second and third block coding means into blocks and encoded. In the first block coding means, one of the color component pictures is encoded, for each block, into gray level codes representing ...


4
Eiji Mitsuya, Tomio Kishimoto, Katsusuke Hoshida: Picture signal coding apparatus. Nippon Telegraph and Telephone Public Corporation, Pollock Vande Sande and Priddy, December 9, 1980: US04238768 (35 worldwide citation)

A frame of a gray-scaled picture is divided into blocks, in each of which the mean luminance of picture elements is used as a threshold value for comparison with each picture element signal to classify it into 0 or 1 according to its magnitude to provide a resolution component. From the resolution c ...