Harris Corner Detector

The Harris Corner Detector is a computer vision technique used to identify points in an image where the appearance changes significantly in multiple directions—these are called corners or interest points. It analyzes the image to find areas with rapid intensity changes, indicating features like corners of objects or junctions. The detector examines how the image intensity shifts when slightly moved around each point, highlighting locations that are stable and distinctive. This helps in tasks like object recognition, image matching, and tracking, by providing reliable reference points that remain consistent across different images or viewing conditions.