Artifact reduction using reliability reasoning for image generation of FTV |
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| Authors: | Lu Yang Tomohiro Yendo Mehrdad Panahpour Tehrani Toshiaki Fujii Masayuki Tanimoto |
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| Affiliation: | 1. Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan;2. Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 S3-61 Ookayama, Meguro-ku, Tokyo 152-8550, Japan;1. Dept. Electronics & Comp. Engin., Korea University, 5-1 Anam-dong, Sungbuk-gu, Seoul, Republic of Korea;2. Dept. of Electronics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464, Japan;3. Dept. of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, 1406 W Green St - 702, Urbana, IL 61801-2991, Illinois, United States;4. Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut, Einsteinufer 37, Berlin, 10587, Germany;5. General Mitsubishi Electric Research Laboratories, 201 Broadway, Cambridge, MA 02139, Massachusetts, United States |
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| Abstract: | In this paper, we present a new view synthesis method in multiview camera configurations of Free viewpoint TV (FTV) where potential depth errors are considered. The emphasis is on the artifacts eliminating for photorealistic synthesis especially near object boundaries. In contrast to conventional techniques which ignore geometry errors, we first categorize the artifact cases and depth modes. Furthermore, this paper infers the complementarity principle of the artifacts from left and right references. This complementarity guarantees the effectiveness of our reliability-based synthesis. The reliability reasoning is crucial for artifacts reduction. The reliable and unreliable areas from different views can be correctly labeled. Then artifacts caused by unreliable pixels from one reference can be replaced by the reliable pixels from the other reference. As a final result, artifacts of novel view are demonstrated to be significantly reduced on different multiview sequences. |
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