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Inter-view consistent hole filling in view extrapolation for multi-view image generation

This paper proposes a new inter-view consistent hole filling method in view extrapolation for multi-view image generation. In stereopsis, inter-view consistency regarding structure, color, and luminance is one of the crucial factors that affect the overall viewing quality of three-dimensional image contents. In particular, the inter-view inconsistency could induce visual stress on the human visual system. To ensure the inter-view consistency, the proposed method suggests a hole filling method in an order from the nearest to farthest view to the reference view by propagating the filled color information in the preceding view. In addition, a novel depth map filling method is incorporated to achieve the inter-view consistency. Experimental results show that the proposed method significantly improves the inter-view consistency for multiview images and depth maps, compared to those of previous methods.