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| For the purpose of obtaining the characteristic parameters of the asphalt mixture aggregate particles, the collected aggregate images were processed and a feasible method of characteristic parameters acquisition was put forward. The automatic detection system was developed based on VC++. A series of processing are done on the collected aggregate images, including image edge detection, image segmentation, morphological processing, region-labeling, contouring and so on. The region-labeling algorithm is improved as well. Database technology is used to deal with the storage, query of the results and several other operations. The whole system is characterized with perfect function, user-friendly interface and stable performance, which provides a practical and accurate method for the characteristic detection of asphalt mixture aggregate particles. |
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| Keywords:Aggregate particles detection; Characteristic parameters; Image segmentation; Region-labeling; Contour tracking |
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