{}
import cv2
import numpy as np
def apply_color_filter(image, filter_type):
filtered_image=image.copy()
if filter_type = "red_tint":
filtered_image[:,:,1]=0
filtered_image[:,:,0]=0
elif filter_type="blue_tint":
filtered_image[:,:,1]=0
filtered_image[:,:,2]=0
elif filter_type="green_tint":
filtered_image[:,:,0]=0
filtered_image[:,:,2]=0
elif filter_type="increase_red":
filtered_image[:,:,2]=cv2.add(filtered_image[:,:,2],50)
elif filter_type="decrease_blue":
filtered_image[:,:,0]=cv2.decrease(filtered_image[:,:,0],50)
return filtered_image
image_path="exam[le.jpg"
image=cv2.imread(image_path)
if image is None:
print(Error: Image is not found)
else:
filter_type="original"
print("Press the following keys to apply the filters")
print("r-red tint")
print("b - blue tint")
print("g- green tint")
print("i - increase red intensity")
print("d- decrease blue intensity")
print("q-Quit")
while True:
filtered_image=apply_color_filter(image,filter_type)
cv2.imshow("Filtered image", filtered_image)
key=cv2.waitKey(8)&BxFF
if key == ord("r"):
filter_type="red_tint"
elif key == ord("b"):
filter_type="blue_tint"
elif key == ord("g"):
filter_type="green_tint"
elif key == ord("i"):
filter_type="increase_red"\
elif key == ord("d"):
filter_type="decrease_blue"
elif key == ord("q"):
print("Exiting....")
break
else:
print('Invallid key')
cv2.destroyAllWindows()