AUTOMATIC AND ADAPTIVE REGION CONFIGURATION FOR DEWARPING A FISHEYE VIDEO STREAM
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 29, 2023
filing date -
Sep 29, 2023
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Abstract
A method of processing a video stream from a non-rectilinear (NR) camera includes: obtaining an activity score map that corresponds to a view of the NR camera; obtaining, from the NR camera, an NR image that includes the view of the NR camera; detecting motion in the NR image; generating an updated activity score map by incrementing the activity score map based on the detected motion in the NR image; performing clustering on the updated activity score map to identify a region of interest (ROI) in the NR image; generating dewarping information of the ROI based on a constraint of the NR camera (the dewarping information includes parameters to convert the ROI into a rectilinear output); and outputting the dewarping information of the ROI.
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