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Depth-of-field (DOF) is an important visual cue used for computer graphics and photography to illustrate the focus of attention. In this work, we present a method for photo-realistic DOF simulation based on the characteristics of a real camera system. Both the depth-blur relation for different camera focus settings and the nonlinear intensity response of(More)
This paper presents a depth recovery technique based on the maximum defocus blur associated with a camera focus setting. The depth-blur relation is formulated by a mathematical model and verified by defocus calibration. Image intensity histogram analysis is used to identify the blur extent. Different from the existing depth from defocus approaches, our(More)
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