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  Indian J Med Microbiol
 

Figure 3: (a), Input image. (b), input image a after iteration 1. (c), input image a after iteration 2. (d), input image. (e), input image d after iteration 1. (f), input image d after iteration 2. Image (b) shows enhanced contrast, no loss of boundaries and details. Image (c) shows enhanced contrast but the boundaries missing and some details also missing. In image (e) no over enhancement of contrast and no missing details. In image (f), over enhanced contrast and details are also missing

Figure 3: (a), Input image. (b), input image a after iteration 1. (c), input image a after iteration 2. (d), input image. (e), input image d after iteration 1. (f), input image d after iteration 2. Image (b) shows enhanced contrast, no loss of boundaries and details. Image (c) shows enhanced contrast but the boundaries missing and some details also missing. In image (e) no over enhancement of contrast and no missing details. In image (f), over enhanced contrast and details are also missing