Table 4: EME and CEME values of histogram equalization of "crane.jpg".

Image "Crane.jpg" EME CEME
Original Image - 28.7627
2-D Grayscale Image (2 × 2 model) 27.4693 -
2-D Grayscale Image (2 × 2 model) - After histogram equalization 50.4364 -
RGB Color image - After histogram equalization of 2-D Grayscale Image (2 × 2 model) - 44.7457
2-D Grayscale Image (2 × 3 model) 27.8003
2-D Grayscale Image (2 × 3 model) - After histogram equalization 49.9529
RGB Color image - After histogram equalization of 2-D Grayscale Image (2 × 3 model) 48.8374
2-D Grayscale Image (column model) 27.6265
2-D Grayscale Image (column model) - After histogram equalization 50.4988
RGB Color image - After histogram equalization of 2-D Grayscale Image (column model) 44.7457
2-D Grayscale Image (row model) 27.6164
2-D Grayscale Image (row model) - After histogram equalization 50.6269
RGB Color image - After histogram equalization of 2-D Grayscale Image (row model) 44.7457