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A depth-image-based rendering (DIBR) method with spatial and temporal texture synthesis is presented in this article. Theoretically, the DIBR algorithm can be used to generate arbitrary virtual views of the same scene in a three-dimensional television system. But the disoccluded area, which is occluded in the original views and becomes visible in the virtual views, makes it very difficult to obtain high image quality in the extrapolated views. The proposed view synthesis method combines the temporally stationary scene information extracted from the input video and spatial texture in the current frame to fill the disoccluded areas in the virtual views. Firstly, the current texture image and a stationary scene image, which is extracted from the input video, are warped to the same virtual perspective position by the DIBR method. Then, the two virtual images are merged together to reduce the hole regions and maintain the temporal consistency of these areas. Finally, an oriented exemplar-based inpainting method is utilized to eliminate the remaining holes. Experimental results are shown to demonstrate the performance and advantage of the proposed method compared with other view synthesis methods. © 2013 Xi et al.; licensee Springer.

Depth-image-based rendering with spatial and temporal texture synthesis for 3DTV