ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,589, issued on Nov. 18, was assigned to Amazon Technologies Inc. (Seattle).
"Recovering camera position from content file" was invented by Sheik Dawood Beer Mohideen (Mountlake Terrace, Wash.) and Maxim Arap (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Camera positions can be recovered for video frames. Keypoint tracks can be generated for a first video frame and subsequent video frames. Metric depth can be determined for the video frames. An image databased can be generated using the keypoint tracks and the metric depth. The image database can include the video frames. A first video frame having a highest number of keypoint trac...