Stereo computer graphics: and other true 3D technologies
Stereo computer graphics: and other true 3D technologies
Stereoscopic Video Conversion of 2D Painting for Tour-Into-Picture
PCM '09 Proceedings of the 10th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
2D to 3d image conversion based on classification of background depth profiles
PSIVT'11 Proceedings of the 5th Pacific Rim conference on Advances in Image and Video Technology - Volume Part II
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Stereoscopic conversion of two-dimensional (2-D) video is considered in object-based approach that independently processes each video object. Our works extend the previous frame-based stereoscopic conversion of MPEG-1 and 2 to MPEG-4. In MPEG-4, each image is composed of a background object and primary object(s). In the first step, a camera motion type is determined for generating a stereoscopic background image. For this, motion vectors of a background object are utilized. The generation of a stereoscopic background object makes use of a current image and a previous image. As well, The stereoscopic primary object uses a current image and its horizontally-shifted version to avoid the possible vertical parallax that might happen. In the second step, the two stereoscopic objects are combined to generate a stereoscopic image. As verified in experiments performed on two MPEG-4 sequences, the object-based stereoscopic conversion can cope with a vertical parallax that has been a difficult problem to deal with in the frame-based approach.