Direction Hole-Filling Method for a 3D View Generator

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題名:	Direction Hole-Filling Method for a 3D View Generator
作者:	Shwu-Huey Yen;Hung-Ying Chai;Jen-Hui Tsao
關鍵詞:	depth-image-based rendering;DIBR;hole-filling;3D image;parallax
日期:	2015-09
上傳時間:	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
顯示於類別:	[資訊工程學系暨研究所] 期刊論文

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