Separating Diffuse and Specular Component of Image Irradiance by Translating a Camera

In this paper we discuss a possible use of camera translation to separate diffuse and specular component of image irradiance. For a moving observer specular reflection appears to “slide” on the object surface. The proposed method is based on the analysis of image sequence obtained during camera translation. By modeling image irradiance as a sum of specular and diffuse component and estimating the motion of the two components we can separate them by filtering the image sequence with two filters.

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