| import numpy | |
| import math | |
| def psnr(img1, img2): | |
| mse = numpy.mean( (img1 - img2) ** 2 ) | |
| if mse == 0: | |
| return 100 | |
| PIXEL_MAX = 255.0 | |
| return 20 * math.log10(PIXEL_MAX / math.sqrt(mse)) |
| import numpy | |
| import math | |
| def psnr(img1, img2): | |
| mse = numpy.mean( (img1 - img2) ** 2 ) | |
| if mse == 0: | |
| return 100 | |
| PIXEL_MAX = 255.0 | |
| return 20 * math.log10(PIXEL_MAX / math.sqrt(mse)) |