opencv-python

import cv2 import os # Create a dummy image file for demonstration # In a real scenario, replace 'test_image.jpg' with your image path. img_placeholder_path = 'test_image.jpg' if not os.path.exists(img_placeholder_path): try: import numpy as np dummy_img = np.zeros((300, 500, 3), dtype=np.uint8) cv2.putText(dummy_img, "Hello OpenCV", (50, 150), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2) cv2.imwrite(img_placeholder_path, dummy_img) print(f"Created dummy image: {img_placeholder_path}") except ImportError: print("NumPy not found. Cannot create dummy image. Please ensure 'test_image.jpg' exists.") # Load an image from file img = cv2.imread(img_placeholder_path, cv2.IMREAD_COLOR) # Check if image loading was successful if img is None: print(f"Error: Could not load image from {img_placeholder_path}. Please ensure the file exists and is accessible.") else: # Display the image in a window cv2.imshow('My Image', img) # Wait indefinitely until a key is pressed cv2.waitKey(0) # Close all OpenCV windows cv2.destroyAllWindows() # Optionally, save the processed image # cv2.imwrite('output_image.jpg', img) # Clean up dummy image if created if os.path.exists(img_placeholder_path) and 'dummy_img' in locals(): os.remove(img_placeholder_path) print(f"Cleaned up dummy image: {img_placeholder_path}")