3-D reconstruction using augmented reality frameworks

A computer system for 3-D reconstruction of a building structure, comprising:

• one or more processors, including a general purpose processor and a graphics processing unit (GPU);
• a display;
• and
• memory;
• wherein the memory stores one or more programs configured for execution by the one or more processors, and the one or more programs comprising instructions for:
• obtaining a plurality of images of the building structure, wherein the plurality of images comprises non-camera anchors;
• identifying reference poses for the plurality of images based on the non-camera anchors;
• obtaining world map data including real-world poses for the plurality of images;
• selecting at least two candidate poses from the real-world poses based on corresponding reference poses;
• and
• calculating a scaling factor for a 3-D representation of the building structure based on correlating the reference poses with the candidate poses.

A non-transitory computer readable storage medium storing one or more programs configured for execution by a computer system having a display, one or more processors including a general purpose processor and a graphical processing unit (GPU), the one or more programs comprising instructions for:

• obtaining a plurality of images of a building structure wherein the plurality of images comprise non-camera anchors;
• identifying reference poses for the plurality of images based on the non-camera anchors;
• obtaining world map data including real-world poses for the plurality of images;
• selecting at least two candidate poses from the real-world poses based on corresponding reference poses;
• and
• calculating a scaling factor for a 3-D representation of the building structure based on correlating the reference poses with the candidate poses.