04876729 is referenced by 11 patents and cites 7 patents.

In a method of identifying an object of the type wherein the object is photographed by a television camera, and a portion of the contour line of the object is detected by a photographed picture image, the picture image is scanned by a filter for designating a first group of a predetermined number of continuous picture elements and a second group of a plurality of picture elements spaced from the first group by a distance corresponding to the contour line of the object. Then presence or absence of a contour candidate point at which the brightness changes rapidly in respective picture image groups is detected, and it is identified that the object presents when the contour candidate points are simultaneously detected in respective picture element groups.

Title
Method of identifying objects
Application Number
703989
Publication Number
4876729
Application Date
November 14, 1988
Publication Date
October 24, 1989
Inventor
Masahiro Nakamura
Osaki
JP
Yuji Watanabe
Hirakata
JP
Agent
Diller Ramik & Wight
Assignee
Kabushiki Kaisha Komatsu Seisakusho
JP
IPC
G06K 9/48
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