Monday, December 17, 2007

Lab Meeting December 18th, 2007(ZhenYu):Spherical Catadioptric Arrays: Construction, Multi-View Geometry, and Calibration

Title: Spherical Catadioptric Arrays: Construction, Multi-View Geometry, and Calibration
Author: Lanman, Douglas Crispell, Daniel Wachs, Megan Taubin, Gabriel

Proceedings of the Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06)

Abstract:
This paper introduces a novel imaging system composed of an array of spherical mirrors and a single high-resolution digital camera. We describe the mechanical design and construction of a prototype, analyze the geometry of image formation, present a tailored calibration algorithm, and discuss the effect that design decisions had on the calibration routine. This system is presented as a unique platform for the development of efficient multi-view imaging algorithms which exploit the combined properties of camera arrays and non-central projection catadioptric systems. Initial target applications include data acquisition for image-based rendering and 3D scene reconstruction. The main advantages of the proposed system include: a relatively simple calibration procedure, a wide field of view, and a single imaging sensor which eliminates the need for color calibration and guarantees time synchronization.

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