奥行き情報を伴う背景バッファを用いた自由視点映像補完方式の改良

Abstract

Although a free viewpoint video can be synthesized using reference images with their depth maps, the quality of the output video can be degraded because of lack of information in occluded regions within frames. We previously proposed a high quality free viewpoint video replenishment system using a dynamically updated background buffer. However, this method cannot interpolate regions where the depth differs greatly for each point on the background, since the background buffer is approximated to a plane. We describe improving the method using a “curved background buffer” with depth information to achieve higher quality output video.