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  Indian J Med Microbiol
 

Figure 3: The image (top row) and its corresponding histogram (bottom row) used during histogram specification method. Image 4 was obtained as a result of cropping the image 1 by retaining only the upper half of the body (from head to abdomen). Image 4 was included in this study purposely because even though image 4 was part of image 1, the histogram of image 4 differs (on visual inspection) from the histogram of image 1, and this in turns affect the image quality

Figure 3:  The image (top row) and its corresponding histogram (bottom row) used during histogram specification method. Image 4 was obtained as a result of cropping the image 1 by retaining only the upper half of the body (from head to abdomen). Image 4 was included in this study purposely because even though image 4 was part of image 1, the histogram of image 4 differs (on visual inspection) from the histogram of image 1, and this in turns affect the image quality