TRAVELING ENVIRONMENT RECOGNITION DEVICE, AUTOMOBILE, AND TRAVELING ENVIRONMENT RECOGNITION METHOD

PROBLEM TO BE SOLVED: To set an alarm level suitable for a driver's feeling. SOLUTION: A picked-up image of traveling environment is divided into a plurality of cells, and fractal dimensions are computed for every divided cell. A degree of attention required for the traveling environment is det...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOYAMA OSAMU, SHIMIZU TOSHIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To set an alarm level suitable for a driver's feeling. SOLUTION: A picked-up image of traveling environment is divided into a plurality of cells, and fractal dimensions are computed for every divided cell. A degree of attention required for the traveling environment is determined according to the quantity and distribution change of cells with the computed fractal dimensions being a predetermined value or more. For example, when the enlargement of cells is detected, the alarm level is set to "medium" and when there is no change in the quantity p of cells, the alarm level is set to "low." When the flocculation tendency of cells is detected, the alarm level is set to "high" and when the diffusion tendency of cells is detected, an alarm is released. COPYRIGHT: (C)2008,JPO&INPIT