Rolling Shutter Homography and its Applications.

IEEE Transactions on Pattern Analysis and Machine Intelligence
Yizhen Lao, Omar Ait-Aider

Abstract

In this article we study the adaptation of the concept of homography to Rolling Shutter (RS) images. This extension has never been clearly adressed despite the many roles played by the homography matrix in multi-view geometry. We first show that a direct point-to-point relationship on a RS pair can be expressed as a set of 3 to 8 atomic 3x3 matrices depending on the kinematic model used for the instantaneous-motion during image acquisition. We call this group of matrices the RS Homography. We then propose linear solvers for the computation of these matrices using point correspondences. Finally, we derive linear and closed form solutions for two famous problems in computer vision in the case of RS images: image stitching and plane-based relative pose computation. Extensive experiments with both synthetic and real data from public benchmarks show that the proposed methods outperform state-of-art techniques.

Software Mentioned

Adobe Photoshop
Photoshop
ANNAP
Microsoft Image Composite Editor ( ICE )
MATLAB
ICE
RSH
GSH
AANAP
Autostitch

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