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EURASIP Journal on Advances in Signal Processing
Fig. 7 | EURASIP Journal on Advances in Signal Processing

Fig. 7

From: A novel segmentation method for uneven lighting image with noise injection based on non-local spatial information and intuitionistic fuzzy entropy

Fig. 7

a 1 The mouse image. a 2 The gray wave curve (the blue curve) and the edge information (the red curve) of the 160th row for the mouse image. a 3 The edge information obtained by the Sobel operator. b 1 –c 1 The gray wave transformation image before and after adding the edge information by Eq. (19) in the horizontal direction. b 2 –c 2 The gray wave curve of the 160th row before and after adding the edge information by Eq. (19) in the horizontal direction. b 3 –c 3 The segmented images before and after adding edge information T = 800, α = 60

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