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Patent Searching and Data


Title:
MOVEMENT DETECTION DEVICE AND RECORDER
Document Type and Number:
Japanese Patent JP2011093679
Kind Code:
A
Abstract:

To reduce an influence of a detection error caused by a time lag up to actually performing imaging after an imaging trigger signal is generated.

A template pattern is taken out of first image data, and a moving distance of an object is found by searching a large area of a correlation with the template pattern in second image data. A shift quantity of the object during the time lag up to performing the imaging after generating a trigger signal for acquiring the image data by an image sensor, is found, and a correction is made when finding the moving distance by using this shift quantity.


Inventors:
Okamura, Koji
Application Number:
JP2009000250827
Publication Date:
May 12, 2011
Filing Date:
October 30, 2009
Export Citation:
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Assignee:
CANON INC
International Classes:
B65H7/02; B41J11/42; B41J13/00; B65H5/00