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Figure 8
Crystal detection using region segment thresholding. (A) Original image for crystal detection. (B) Crystal edge (white circles) detection with clustered region segments using region segment thresholding with saliency values. (C) Crystal (white circle) detection using equation (22)[link]. (D) Crystal (white circle) detection using histogram of pixel intensities. (E) Gradient magnitude of crystal. (F) Gradient direction of crystal. (G) Crystal edge detection according to the Canny algorithm. (H) Crystal edge detection according to the Sobel operator.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 6| November 2016| Pages 1323-1332
https://doi.org/10.1107/S160057751601451X
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