Depth recovery from motion and defocus blur

Authors:
Huei-Yung Lin;Chia-Hong Chang
Affiliations:
Department of Electrical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, R.O.C.;Department of Electrical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, R.O.C.
Venue:
ICIAR'06 Proceedings of the Third international conference on Image Analysis and Recognition - Volume Part II
Year:
2006

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Abstract

Finding the distance of an object in a scene from intensity images is an essential problem in many applications. In this work, we present a novel method for depth recovery from a single motion and defocus blurred image. Under the assumption of uniform linear motion between the camera and the scene during finite exposure time, both the pinhole model and the camera with a finite aperture are considered. The blur extent is estimated by intensity profile analysis and focus measurement of the deblurred images. The proposed method has been verified experimentally using edge images.