Oregon Patent of the Month – April 2022
Augmented Reality (AR) is increasingly popular, with systems like Metaverse already growing in popularity. With the growing interest, so grows the technology. Streem, Inc. has been working to develop cutting edge technology to support the AR revolution.
Recently, they developed the software needed to capture raw AR data and the meshing tools needed to integrate it with what we see in reality. In a simplified explanation, a typical AR system uses APIs to stream frames captured by the device camera in addition to data from the device’s gyroscopes and accelerometers. This data is rolled together into a point cloud which indicates X,Y,Z positioning and tied to a reference point. This makes it possible to place AR objects within a scene and have them appear to belong. There is much more behind the scenes though, as the software needs to create 3D mesh and maps to properly represent the world as it is captured in images.
Streem’s method generates 3D meshes from raw AR data captured contemporaneously with video data. They first create a depth map of the AR data and then fuse this with the real life images on a frame by frame basis to create a full 3D mesh. The depth map creates a volumetric representation of the space in the video, with an individual depth map created for each frame. It’s this volumetric representation that allows for the 3D mesh generation. The 3D mesh is a collection of vertices and connecting triangles. These provide specific locationing capabilities for placing objects or identifying objects. Depending on the AR content, identifying an object can then trigger an AR object to appear.
The more Streem advances their technology, the more efficient, reliable, and fast the resultant AR imagery.
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