Finding Image Contours Above Threshold

This function is used to find contours in an image above a given threshold value.

Technology Stack : OpenCV

Code Type : Function

Code Difficulty : Intermediate

                
                    
def find_contours(image, threshold):
    """
    This function finds contours in an image above a certain threshold value.
    """
    # Convert the image to grayscale
    gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
    
    # Apply thresholding to create a binary image
    _, thresh = cv2.threshold(gray, threshold, 255, cv2.THRESH_BINARY)
    
    # Find contours in the binary image
    contours, _ = cv2.findContours(thresh, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
    
    return contours