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Proceedings Paper

Fusion of Kinect depth data with trifocal disparity estimation for near real-time high quality depth maps generation
Author(s): Guillaume Boisson; Paul Kerbiriou; Valter Drazic; Olivier Bureller; Neus Sabater; Arno Schubert
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Paper Abstract

Generating depth maps along with video streams is valuable for Cinema and Television production. Thanks to the improvements of depth acquisition systems, the challenge of fusion between depth sensing and disparity estimation is widely investigated in computer vision. This paper presents a new framework for generating depth maps from a rig made of a professional camera with two satellite cameras and a Kinect device. A new disparity-based calibration method is proposed so that registered Kinect depth samples become perfectly consistent with disparities estimated between rectified views. Also, a new hierarchical fusion approach is proposed for combining on the flow depth sensing and disparity estimation in order to circumvent their respective weaknesses. Depth is determined by minimizing a global energy criterion that takes into account the matching reliability and the consistency with the Kinect input. Thus generated depth maps are relevant both in uniform and textured areas, without holes due to occlusions or structured light shadows. Our GPU implementation reaches 20fps for generating quarter-pel accurate HD720p depth maps along with main view, which is close to real-time performances for video applications. The estimated depth is high quality and suitable for 3D reconstruction or virtual view synthesis.

Paper Details

Date Published: 6 March 2014
PDF: 10 pages
Proc. SPIE 9011, Stereoscopic Displays and Applications XXV, 90110J (6 March 2014); doi: 10.1117/12.2036530
Show Author Affiliations
Guillaume Boisson, Technicolor (France)
Paul Kerbiriou, Technicolor (France)
Valter Drazic, Technicolor (France)
Olivier Bureller, Technicolor (France)
Neus Sabater, Technicolor (France)
Arno Schubert, Technicolor (France)


Published in SPIE Proceedings Vol. 9011:
Stereoscopic Displays and Applications XXV
Andrew J. Woods; Nicolas S. Holliman; Gregg E. Favalora, Editor(s)

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