Information and Media Technologies
Online ISSN : 1881-0896
Media (processing) and Interaction
Object-Oriented Color Calibration of Multi-viewpoint Cameras in Sparse and Convergent Arrangement
Shohei NobuharaYuta KimuraTakashi Matsuyama
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2011 Volume 6 Issue 1 Pages 91-103

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Abstract

This paper proposes a new color calibration method for multi-viewpoint images captured by sparsely and convergently arranged cameras. The main contribution of our method is its practical and efficient procedure while traditional methods are known to be labor-intensive. Because our method automatically extracts 3D points in the scene for color calibration, we do not need to capture color calibration objects like Macbeth chart. This enables us to calibrate a set of multi-viewpoint images whose capture environment is not available. Experiments with real images show that our method can minimize the difference of pixel values (1) quantitatively by leave-one-out evaluation, and (2) qualitatively by rendering a 3D video.

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© 2011 Information Processing Society of Japan
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