Above model is representation of computing results from 3 major photogrammetry softwares - on medium and high detail profiles
Input: 144 png pictures (Nikon D610) with cutout background instead simple alpha masking - done in Affinity Photo
Example input sample: https://goo.gl/sYYaZH
Oryginal obj were to big for pure sketchfab upload (Reality capture 23mln and 3.3mln ) so all skulls received in same time decimation treatment in Pixologic Zbrush software - other softwares make polygins in same size, where ZB connect similar ones to provide 0% shape change.
Proof of non desctructive decimation below (top pic org, bottom decimated version)
MetaShape high: https://goo.gl/7mW2C5
MetaShape medium: https://goo.gl/dAVYHy
3DF Zephyr high: https://goo.gl/D6hCCM
3DF Zephyr medium: https://goo.gl/44bUkw
RealityCapture high: https://goo.gl/ykcgHJ
RealityCapture medium: https://goo.gl/BgdxsL
Single image libary like that one https://goo.gl/VhGH6p can be downloaded here https://goo.gl/7V9PG2
Hope it was helpful
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