Image analysis – Applications – Motion or velocity measuring
Patent
1995-04-13
1998-06-16
Boudreau, Leo
Image analysis
Applications
Motion or velocity measuring
382154, G06K 900
Patent
active
057684049
ABSTRACT:
To achieve this, the invention has a base image frame memory for storing a base image, a reference image frame memory for storing a reference image, a block correlation computing circuit for computing block correlations and confidence measure for estimation by using a plurality of block sizes, a representative pixel correlation computing circuit, and an estimation integrating computing circuit for evaluating the reliability of the result of estimation by block matching on the basis of a luminance gradient, image noise, a minimum value of an evaluation yardstick for differences between blocks, and block size, and for integrating the results of estimation obtained with the plurality of block sizes.
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patent: 5179441 (1993-01-01), Anderson et al.
patent: 5202928 (1993-04-01), Tomita et al.
patent: 5410356 (1995-04-01), Kikuchi et al.
"A Stereo Matching Algorithm with an Adaptive Window: Theory and Experiment," Takeo Kanade et al., published by the School of Computer Science, Carnegie Mellon University, Apr. 30, 1990.
Azuma Takeo
Morimura Atsushi
Boudreau Leo
Johnson Timothy M.
Matsushita Electric - Industrial Co., Ltd.
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