Suppressing rolling-shutter distortion of CMOS image sensors by motion vector detection

Authors:
Jung-Bum Chun;Hunjoon Jung;Chong-Min Kyung
Affiliations:
Electr. Eng. Dept., Korea Adv. Inst. of Sci. & Technol., Daejeon;-;-
Venue:
IEEE Transactions on Consumer Electronics
Year:
2008

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Abstract

This paper focuses on the rolling shutter distortion of CMOS image sensor coming from its unique readout mechanism as the main cause for image degradation when there are fast-moving objects. This paper proposes a post image processing scheme based on motion vector detection to suppress the rolling shutter distortion. Motion vector detection is performed based on an optical flow method at a reasonable computational complexity. A practical implementation scheme is also described.