Specular removal using CL-projection

Authors:
Joung Wook Park;Jae Doug Yoo;Kwan H. Lee
Affiliations:
Intelligent Design and Graphics laboratory, Department of Mechatronics, Gwangju Institute Science and Technology (GIST), Gwangju, Korea;Intelligent Design and Graphics laboratory, Department of Mechatronics, Gwangju Institute Science and Technology (GIST), Gwangju, Korea;Intelligent Design and Graphics laboratory, Department of Mechatronics, Gwangju Institute Science and Technology (GIST), Gwangju, Korea
Venue:
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2005

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Abstract

In this paper we propose a method to remove the specularity of an image using Color Line(CL)-projection. CL-projection is defined as the projection along the direction of color line. In the first step of the proposed procedure, the highlighted region in an image is estimated from two images captured with different camera exposure times. In the second step, the representative color of the neighborhood of each highlighted region is estimated. In the final step, the specular component of color in the neighborhood region is removed using CL-projection and then the highlight is inpainted to recover the original color using a distance transform.