Fix missing colormap_method for segmentation ext
Fix missing colormap_method for segmentation ext

gheinrich/DIGITS-GAN,ethantang95/DIGITS-GAN,Deepomatic/DIGITS,ethantang95/DIGITS,ethantang95/DIGITS-GAN,Deepomatic/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS,ethantang95/DIGITS-GAN,Deepomatic/DIGITS,gheinrich/DIGITS-GAN,ethantang95/DIGITS,Deepomatic/DIGITS,ethantang95/DIGITS,ethantang95/DIGITS-GAN,gheinrich/DIGITS-GAN