ENCODING APPRATUS AND METHOD BASED ON VIDEO ANALYSIS
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United States of America Patent
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Issued Date -
Jan 5, 2017
app pub date -
Jul 1, 2015
filing date -
Jun 30, 2015
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Abstract
An encoding method of security images. Provided is a variable bit rate (VBR) control method for controlling a bit rate in encoding an image frame by accumulating at regular intervals the distribution, within the frame, of an amount of movements in foreground images subtracted from the image frame. When the amount of movements is accumulated, the image may be encoded in higher quality regarding to the recent movements by changing the weight value according to time.
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