Touching Particles Separation Based on Area Ratio of Circular Mask
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摘要
In this paper,a method for separation of partially overlapping particle is proposed based on circular mask,and the framework including image segmentation,concave points detection,point pair matching and shape estimation is realized.First,the color image is preprocessed to obtain a binary image.Then,the corner detection algorithm is adopted to achieve rough estimation on potential concave points,and the area ratio method was used to select the candidate points so as to obtain the segmentation points.Since then,the obtained segmentation points are matched to each pairs by gray projection according to a certain criteria.Finally,each pair of points and one of their adjacent pixels on the border is used to estimate the status of individual particles before adhesion,and the contour of each particle is outputted.Experiments show that the proposed method is consistent with the human visual perception,and has achieved good results
In this paper,a method for separation of partially overlapping particle is proposed based on circular mask,and the framework including image segmentation,concave points detection,point pair matching and shape estimation is realized.First,the color image is preprocessed to obtain a binary image.Then,the corner detection algorithm is adopted to achieve rough estimation on potential concave points,and the area ratio method was used to select the candidate points so as to obtain the segmentation points.Since then,the obtained segmentation points are matched to each pairs by gray projection according to a certain criteria.Finally,each pair of points and one of their adjacent pixels on the border is used to estimate the status of individual particles before adhesion,and the contour of each particle is outputted.Experiments show that the proposed method is consistent with the human visual perception,and has achieved good results
引文
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