Local Smoothness Enforced Cost Volume Regularization for Fast Stereo Correspondence

Local Smoothness Enforced Cost Volume Regularization for Fast Stereo Correspondence
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局部平滑强制成本量正则化以实现快速立体声对应

DOI:
10.1109/lsp.2015.2409203
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发表时间:
2015-03
影响因子:
3.9
通讯作者:
Yang Qingqing
Yang Qingqing
中科院分区:
工程技术2区
文献类型:
--
作者:
Yang Qingqing

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提出了一种新的代价体积正则化算法。它成功地将局部立体方法中的加权代价聚合和全局立体方法中的平滑约束结合起来。通过对水平树结构进行加权成本聚合时的局部平滑性,可以很好地正则化成本分布。在极低的计算量下,可以生成边界清晰的精确视差结果。提出了一种新的后处理方法。整个立体对应算法在Middlebury立体测试台上无论在精度还是速度上都达到了具有竞争力的性能。
A novel cost volume regularization algorithm is proposed. It successfully combines weighted cost aggregation in local stereo methods and smoothness constraints in global stereo methods. By enforcing local smoothness during the weighted cost aggregation on the horizontal tree structure, cost distribution can be well regularized. Accurate disparity results with sharp boundary can be generated while keeping extremely low computational amount. A new post-processing method is also proposed. The whole stereo correspondence algorithm achieves competitive performance on the Middlebury stereo testbed in terms of both accuracy and speed.
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