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    题名: Direction Hole-Filling Method for a 3D View Generator
    作者: Shwu-Huey Yen;Hung-Ying Chai;Jen-Hui Tsao
    关键词: depth-image-based rendering;DIBR;hole-filling;3D image;parallax
    日期: 2015-09
    上传时间: 2016-01-06 10:53:30 (UTC+8)
    摘要: Depth image-based rendering (DIBR) technology is an approach to creating a virtual
    3D image from one single 2D image. A desired view can be synthesised at the receiver side using
    depth images to make transmission and storage efficient. While this technique has many
    advantages, one of the key challenges is how to fill the holes caused by disocclusion regions and
    wrong depth values in the warped left/right images. A common means to alleviate the sizes and
    the number of holes is to smooth the depth image. But smoothing results in geometric distortions
    and degrades the depth image quality. This study proposes a hole-filling method based on the
    oriented texture direction. Parallax correction is first implemented to mitigate the wrong depth
    values. Texture directional information is then probed in the background pixels where holes take
    place after warping. Next, in the warped image, holes are filled according to their directions.
    Experimental results showed that this algorithm preserves the depth information and greatly
    reduces the amount of geometric distortion.
    關聯: International Journal of Computational Science and Engineering 11(2), pp.167-175
    DOI: 10.1504/IJCSE.2015.071880
    显示于类别:[資訊工程學系暨研究所] 期刊論文


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