SURF

SURF (Speeded Up Robust Features) is a computer algorithm used for identifying and describing distinctive points in images, such as edges or corners. It detects these keypoints quickly and then creates a unique descriptor that captures the local appearance around each point. This enables reliable matching of features across different images, even if they are taken from different angles, scales, or lighting conditions. SURF is widely used in applications like object recognition, image stitching, and 3D reconstruction, providing a balance between robustness and computational efficiency.