论文标题

MPLP ++:密集图形模型的快速,平行的双重级坐标上升

MPLP++: Fast, Parallel Dual Block-Coordinate Ascent for Dense Graphical Models

论文作者

Tourani, Siddharth, Shekhovtsov, Alexander, Rother, Carsten, Savchynskyy, Bogdan

论文摘要

具有成对电势的密集,离散的图形模型是一类强大的模型,这些模型用于最先进的计算机视觉和生物成像应用中。 This work introduces a new MAP-solver, based on the popular Dual Block-Coordinate Ascent principle.令人惊讶的是,通过对最大产品线性编程(MPLP)算法进行较小的更改,我们得出了新的求解器MPLP ++,该求解器MPLP ++可以大大优于所有现有的求解器,包括最先进的利润率,包括最先进的树木求离者树覆盖范围的覆盖范围(trws)序列(TRWS)消息 - 备用algorith AlgorithM。此外,与TRW相比,我们的求解器高度平行,TRW与拟议的GPU和多线程CPU实现相反,这进一步提高了性能。我们还验证了算法对公开可用基准的密集问题的优势,也是6D对象姿势估算的新基准。 We also provide an ablation study with respect to graph density.

Dense, discrete Graphical Models with pairwise potentials are a powerful class of models which are employed in state-of-the-art computer vision and bio-imaging applications. This work introduces a new MAP-solver, based on the popular Dual Block-Coordinate Ascent principle. Surprisingly, by making a small change to the low-performing solver, the Max Product Linear Programming (MPLP) algorithm, we derive the new solver MPLP++ that significantly outperforms all existing solvers by a large margin, including the state-of-the-art solver Tree-Reweighted Sequential (TRWS) message-passing algorithm. Additionally, our solver is highly parallel, in contrast to TRWS, which gives a further boost in performance with the proposed GPU and multi-thread CPU implementations. We verify the superiority of our algorithm on dense problems from publicly available benchmarks, as well, as a new benchmark for 6D Object Pose estimation. We also provide an ablation study with respect to graph density.

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