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  1. Proceedings of the 1st international workshop on 3D video processing (3DVP '10)
  2. OTESC: online transformation estimation between stereo cameras
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Space-time visual effects as a post-production process
From silhouettes to 3D points to mesh: towards free viewpoint video
Stereo in post-production
A novel blind watermarking scheme for depth-image-based rendering 3D images
A joint multi-view plus depth image coding scheme based on 3D-warping
Novel view synthesis for stereoscopic cinema: detecting and removing artifacts
OTESC: online transformation estimation between stereo cameras
Wide-baseline multi-view video segmentation for 3D reconstruction
3D feature extraction from uncalibrated video clips
Multiple view human articulated tracking using charting and particle swarm optimisation
Self-occlusion handling for human body motion tracking from 3D ToF image sequence
Nonrigid stereo reconstruction using linear programming

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OTESC: online transformation estimation between stereo cameras

Content Provider ACM Digital Library
Author Redert, André Schreuder, Tiemen Hendriks, Emile A.
Abstract In this paper, we describe a system that performs online transformation estimation between pre-calibrated stereo cameras. This allows the stereo cameras to be moved around and automatically re-calibrated without the use of a calibration object. This also allows the set-up to recover from accidental nudges that invalidate the extrinsic (external to the stereo camera) calibration. The obtained transformations can be used in virtual view rendering for 3D Video. The relative positions and orientations of the stereo cameras are obtained using sparse point correspondences found in different views of the scene. For each stereo camera, 3D coordinates of salient scene points are triangulated and their image feature descriptors are used to locate the same points in the views of other stereo cameras. The salient point descriptors SIFT and SURF are evaluated for this purpose. Given enough salient image points, the proposed solution accurately finds the transformation between stereo camera pairs with a reprojection error less than 1 pixel.
Starting Page 45
Ending Page 50
Page Count 6
File Format PDF
ISBN 9781450301596
DOI 10.1145/1877791.1877804
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2010-10-29
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Stereo cameras Extrinsic calibration Self calibration
Content Type Text
Resource Type Article
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