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import gradio
import cv2
def greet(image, in_contrast, in_brightness):
in_contrast = float(in_contrast) / 100*3
in_brightness = float(in_brightness)
# contrast [1.0-3.0]
# brightness [0-100]
# https://docs.opencv.org/4.x/d3/dc1/tutorial_basic_linear_transform.html
new_image = cv2.convertScaleAbs(image, alpha=in_contrast, beta=in_brightness)
cv2.imshow("Display window", new_image);
int k = waitKey(0); // Wait for a keystroke in the window
return new_image
demo = gradio.Interface(
fn=greet,
inputs=['image', gradio.Slider(0,100), gradio.Slider(0, 100)],
outputs=['image'],
)
demo.launch()
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