Adjust the gamma of an RGB image
Also known as Power Law Transform. Intensities in RGB mode are adjusted based on the following equation:
I_{\mbox{out}} = 255 \times \mbox{gain} \times ≤ft (\frac{I_{\mbox{in}}}{255}\right)^{γ}
transform_adjust_gamma(img, gamma, gain = 1)
img |
A |
gamma |
(float): Non negative real number, same as γ in the equation. gamma larger than 1 make the shadows darker, while gamma smaller than 1 make dark regions lighter. |
gain |
(float): The constant multiplier. |
See Gamma Correction for more details.
Other transforms:
transform_adjust_brightness(),
transform_adjust_contrast(),
transform_adjust_hue(),
transform_adjust_saturation(),
transform_affine(),
transform_center_crop(),
transform_color_jitter(),
transform_convert_image_dtype(),
transform_crop(),
transform_five_crop(),
transform_grayscale(),
transform_hflip(),
transform_linear_transformation(),
transform_normalize(),
transform_pad(),
transform_perspective(),
transform_random_affine(),
transform_random_apply(),
transform_random_choice(),
transform_random_crop(),
transform_random_erasing(),
transform_random_grayscale(),
transform_random_horizontal_flip(),
transform_random_order(),
transform_random_perspective(),
transform_random_resized_crop(),
transform_random_rotation(),
transform_random_vertical_flip(),
transform_resized_crop(),
transform_resize(),
transform_rgb_to_grayscale(),
transform_rotate(),
transform_ten_crop(),
transform_to_tensor(),
transform_vflip()
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