Method and Device for Detecting Stationary Targets
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Jul 28, 2009
filing date -
Mar 6, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Techniques for detecting stationary targets in videos or frame images are described. According to one aspect of the present invention, a sequence of frame images is being received from a video system. Each of the frame images into a plurality of image blocks, and dividing a background image is divided into a plurality of corresponding background image blocks. Characteristic values of the image blocks in each of the frame images are calculated. A plurality of characteristic value sequences is then formed, each of the characteristic value sequences comprises a predefined number of characteristic values for each of the image blocks in the frame images. A histogram of each of the characteristic value sequences is computed to determine whether one of the image blocks in one of the frame images contains a stationary target.
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