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Fast inspection for size-based analysis in aggregate processing

机译：快速检查骨料加工中基于尺寸的分析

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As rocks are transported along the conveyor belt of a quarry, the maximum dimension of the rocks exiting the crushers should not exceed a size threshold specific to each crusher. If the rocks are too large then they can pose a threat to equipment, and lead to a large cost in repair and loss of production. A 2D vision system is presented, which is capable of estimating the size distribution of the rocks, and also monitoring for oversize rocks. Image segmentation is performed, which is followed by a process that classifies the segments as valid or invalid using a support vector machine. A novel split algorithm is presented, which attempts to split segments that have resulted in undersegmentation. This allows the system to constantly monitor for oversize rocks without stopping the conveyor belt. For the experiments presented in this paper, a set of images was taken of rocks on a moving conveyor. In testing, it was found that 81.31 % of the segments output by the system correctly found the maximum dimension of the rock that it represented.
机译：当岩石沿着采石场的传送带运输时，离开破碎机的岩石的最大尺寸不应超过每个破碎机特定的尺寸阈值。如果岩石太大，则会对设备造成威胁，并导致维修和生产损失的巨额成本。提出了一种2D视觉系统，该系统能够估计岩石的尺寸分布，并且还可以监视超大型岩石。执行图像分割，然后执行一个过程，使用支持向量机将这些片段分类为有效还是无效。提出了一种新颖的分割算法，该算法试图分割导致分割不足的片段。这使系统能够不停地传送带而持续监控超大岩石。对于本文提出的实验，在移动的传送带上拍摄了一组岩石图像。在测试中，发现系统输出的81.31％的段正确找到了它所代表的岩石的最大尺寸。

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