The patent for the SIFT object recognition algorithm has expired
On March 8, the US6711293B1 patent expired, describing the SIFT (Scale Invariant Feature Transform) technique designed for detecting features in images. SIFT is applicable in areas such as object recognition in images, overlaying 3D models on real images in augmented reality systems, map matching, 3D space location determination, and panorama stitching. Previously, to use SIFT in […]
