Image analysis – Applications – Motion or velocity measuring
Reexamination Certificate
2008-03-18
2008-03-18
Johns, Andrew W. (Department: 2624)
Image analysis
Applications
Motion or velocity measuring
C382S194000, C382S199000, C382S103000, C382S181000, C382S305000, C382S309000, C382S310000, C382S311000, C348S240200, C707S793000, C707S793000, C707S793000, C707S793000, C358S403000
Reexamination Certificate
active
10550954
ABSTRACT:
An object of the invention is to provide a target travel direction detecting method capable of detecting the travel direction of efficiently detecting the travel direction of a target by using a small amount of information.The target travel direction detecting method according to the invention generates a lightness image from each of the two color images picked up at predetermined time intervals and causes a template of n by n105to scan the lightness image at time t to detect a position where the target is present. Next, the values of pixels around the pixel of the position where the target is detected are stored into the template105. The template105storing the pixel values is used to scan the lightness image at time t+1 and detect a pixel that matches each pixel value of the template105. Then, the target is plotted for each travel direction at a pixel position matching the template105on the lightness image at time t+1 to create a travel-direction-extracted image.
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Bitar Nancy
Johns Andrew W.
Matsushita Electric - Industrial Co., Ltd.
McDermott Will & Emery LLP
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