A novel 2Dd-to-3D conversion system using edge information

• Published in: IEEE transactions on consumer electronics Vol. 56; no. 3; pp. 1739 - 1745
• Main Authors: Cheng, Chao-Chung, Li, Chung-Te, Chen, Liang-Gee
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.08.2010; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: 2D-to-3D conversion; 3D video; Algorithm design and analysis; Algorithms; bilateral filter; Blocking; Depth map generation; Displays; Image edge detection; Pixel; Rendering; Rendering (computer graphics); Runtime; Segments; Three dimensional; Three dimensional displays; Two dimensional; Visualization
• ISSN: 0098-3063; 1558-4127
• DOI: 10.1109/TCE.2010.5606320

Although three-dimensional (3D) displays enhance visual quality more than two-dimensional (2D) displays do, the depth information required for 3D displays is unavailable in the conventional 2D content. Therefore, converting 2D videos into 3D ones has become an important issue in emerging 3D applications. This work presents a novel algorithm that automatically converts 2D videos into 3D ones. The proposed algorithm utilizes the edge information to segment the image into object groups. A depth map is then assigned based on a hypothesized depth gradient model. Next, the depth map is block-based assigned by cooperating with a cross bilateral filter to generate visually comfortable depth maps efficiently and also diminish the block artifacts. A multiview video can be readily generated by using a depth image-based rendering method.