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Diagram of DCNN producing false negatives. (A) Show an image that the lesions were too small to be recognized by DCNN. (B) Show an image of the lesions were too far to be recognized by DCNN. (C, D) Shows images taken from different shooting angles of the same lesion. (C) was effectively recognized as EGC by DCNN, while (D) was not recognized by DCNN.
