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Video shutter angle estimation using optical flow and linear blur
April 18, 2024, 4:45 a.m. | David Korcak, Jiri Matas
cs.CV updates on arXiv.org arxiv.org
Abstract: We present a method for estimating the shutter angle, a.k.a. exposure fraction - the ratio of the exposure time and the reciprocal of frame rate - of videoclips containing motion. The approach exploits the relation of the exposure fraction, optical flow, and linear motion blur. Robustness is achieved by selecting image patches where both the optical flow and blur estimates are reliable, checking their consistency. The method was evaluated on the publicly available Beam-Splitter Dataset …
abstract arxiv cs.cv exploits flow linear optical optical flow rate type video
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