What does this research mean for the field?

Inexact Newton-type Bundle Adjustment algorithms that exploit multicore CPU and GPU parallelism can solve large-scale 3D scene reconstruction problems up to 10 to 30 times faster than state-of-the-art methods while maintaining comparable convergence. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

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June 1, 2011

Multicore bundle adjustment

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Abstract

We present the design and implementation of new inexact Newton type Bundle Adjustment algorithms that exploit hardware parallelism for efficiently solving large scale 3D scene reconstruction problems. We explore the use of multicore CPU as well as multicore GPUs for this purpose. We show that overcoming the severe memory and bandwidth limitations of current generation GPUs not only leads to more space efficient algorithms, but also to surprising savings in runtime. Our CPU based system is up to ten times and our GPU based system is up to thirty times faster than the current state of the art methods, while maintaining comparable convergence behavior. The code and additional results are available at http://grail.cs.washington.edu/projects/mcba.

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Wu et al. (Wed,) studied this question.

synapsesocial.com/papers/6a0907d82142fc3a3073b97f https://doi.org/https://doi.org/10.1109/cvpr.2011.5995552

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