Method for increasing object detection rate or object recognition rate and classifier using locally decorrelated channel feature (LDCF)
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United States of America Patent
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Jan 5, 2016
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May 11, 2015
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May 11, 2015
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Abstract
A method for increasing object detection rates or object recognition rates by using a classifier is disclosed. The method includes the steps of: (a) the classifier acquiring a covariance matrix by using values of at least one channel of at least some pixels included in a local block having a smaller size than detection windows of respective image samples including positive image samples and hard negative image samples while moving the local block within the detection windows; and (b) the classifier acquiring a transform matrix w for transforming at least one feature vector x of an image to be inputted later by using the covariance matrix.
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