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pyopencv.py
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pyopencv.py
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import cv2
def show_image_and_gray_image():
image = cv2.imread('path/to/your/image.jpg')
gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
cv2.imwrite('path/to/save/gray_image.jpg', gray_image)
cv2.imshow('Original Image', image)
cv2.imshow('Grayscale Image', gray_image)
cv2.waitKey(0)
cv2.destroyAllWindows()
def play_video_and_gray_video():
cap = cv2.VideoCapture('path/to/your/video.mp4')
while cap.isOpened():
ret, frame = cap.read()
if not ret:
break
gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
cv2.imshow('Original Frame', frame)
cv2.imshow('Grayscale Frame', gray_frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
cv2.destroyAllWindows()
def detect_features():
image = cv2.imread('path/to/your/image.jpg')
gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
orb = cv2.ORB_create()
keypoints, descriptors = orb.detectAndCompute(gray_image, None)
image_with_keypoints = cv2.drawKeypoints(gray_image, keypoints, None, color=(0, 255, 0))
cv2.imshow('Original Image', gray_image)
cv2.imshow('Image with Keypoints', image_with_keypoints)
cv2.waitKey(0)
cv2.destroyAllWindows()
if __name__ == "__main__":
show_image_and_gray_image()
play_video_and_gray_video()
detect_features()