Multi-scale correspondence point matching using constellation of image chips
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United States of America Patent
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Aug 28, 2018
Grant Date -
Sep 22, 2016
app pub date -
Mar 17, 2015
filing date -
Mar 17, 2015
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Abstract
A method of matching images A and B of the same scene taken at different locations in the scene is provided by matching correspondence points in the image by evaluating pixel characteristics from nearby regions using a constellation of image chips and utilizing joint information across multiple resolution levels in a probability framework. Since each image chip is small, each chip in one image potentially can be matched with a number of chips in the other image. The accumulation of evidence (probability) over all image chips within the constellation over multiple resolution levels reduces the ambiguity. The use of a constellation of image chips removes the requirement present in most visual point matching techniques to special feature points (e.g. corner points) as the correspondence points.
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