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Optimal key-frame selection for video-based structure-from-motion

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2 Author(s)
Park, M.-G. ; Sch. of Inf. & Commun., Gwangju Inst. of Sci. & Technol., Gwangju, South Korea ; Yoon, K.-J.

Proposed is a novel key-frame selection method for the video-based structure-from-motion technique. This method consists of two main steps. First, unreliable features are eliminated by analysing the lifetimes of the tracked features. Next, an optimal set of key-frames is selected considering sufficient baselines between key-frames, data redundancy, and the avoidance of degeneracy. The proposed method is experimentally verified in terms of accuracy and stability for various video sequences.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 25 )