IMAGE PROCESSING METHOD FOR PRODUCING BACKGROUND BLURRED IMAGE AND IMAGE CAPTURING DEVICE THEREOF
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Dec 22, 2011
filing date -
Nov 3, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An image processing method for producing background blurred image and an image capturing device thereof are provided. The image processing method for producing background blurred image includes following steps. First, a plurality of live-view images are continuously captured on a subject and a target image is captured. Next, a geometric correction on the live-view images is performed so as to produce a plurality of corrected live-view images. Then, a correlation comparison on the corrected live-view images is performed so as to produce a relative depth of field (DOF) map. Further, the relative DOF map is enlarged. Finally, a subject area containing a subject in the target image is determined according to the enlarged relative DOF map and a blurring processing on a remained area except for the subject area is performed so as to produce a background blurred image.
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