Image Blending with Alpha Value

This function blends two images using a given alpha value. The alpha value determines the blending ratio between the two images, where 0 means the second image is fully displayed and 1 means the first image is fully displayed.

Technology Stack : OpenCV

Code Type : Image processing

Code Difficulty : Intermediate

                
                    
def blend_images(image1, image2, alpha):
    """
    This function blends two images using a given alpha value.
    """
    # Check if the input images are valid
    if image1 is None or image2 is None:
        raise ValueError("Input images cannot be None")
    
    # Ensure the images have the same size
    if image1.shape[:2] != image2.shape[:2]:
        raise ValueError("Input images must have the same size")
    
    # Blend the images
    blended_image = cv2.addWeighted(image1, alpha, image2, 1 - alpha, 0)
    return blended_image