Patent ID: 11881129
Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 11:
12. A system for adding persistence to single photon avalanche diode (SPAD) imagery, the system comprising:
one or more processors; and
one or more hardware storage devices storing instructions that are executable by the one or more processors to configure the system to add persistence to SPAD imagery by configuring the system to:
access a plurality of sequentially captured image frames;
access pose data associated with the plurality of sequentially captured image frames, the pose data comprising at least respective pose data associated with each of the plurality of sequentially captured image frames;
generate a plurality of spatially aligned sequentially captured image frames by spatially aligning each of the plurality of sequentially captured image frames with one another using the pose data;
measure a dissimilarity between at least a first image frame and at least a second image frame of the plurality of spatially aligned sequentially captured image frames, wherein the second image frame is associated with a capture timepoint that is subsequent to a capture timepoint associated with the first image frame;
determine a persistence term based on the dissimilarity, wherein the persistence term comprises a weighting term and one or more terms defining (i) alpha blending or (ii) smoothness; and
generate a composite image based on the plurality of spatially aligned sequentially captured image frames and the persistence term, wherein the persistence term defines a contribution of each of the plurality of spatially aligned sequentially captured image frames to the composite image.