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US 2006/0188160 A1Published application
Device, method, and computer-readable medium for detecting changes in objects in images and their features
OwnerNobuyuki Matsumoto, Takashi Idainventors
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Abstract
A feature pattern (e.g., contours of an object) of an input image to be processed is extracted. A feature pattern (e.g., contours of an object) of a reference image corresponding to the input image is extracted. A comparison is made between the extracted feature patterns of the input and reference images. Their difference is output as the result of the comparison.
Claims1
An image processing method comprising:
- extracting a feature pattern from an input image that depicts an object;
- extracting a feature pattern from a reference image corresponding to the input image, the reference image being generated in advance of the input image;
- and
- comparing the extracted feature pattern of the input image and the extracted feature pattern of the reference image to detect a change in the object.
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Dependencies are inferred from the claim text.