Schneider, C. T. “3-D Vermessung von Oberflächen und Bauteilen durch Photogrammetrie und Bildverarbeitung.” Proc. IDENT/VISION 91 (1991): 14-17
Implementation of coding scheme of (expired) patent DE19733466A1. https://patents.google.com/patent/DE19733466A1/ https://register.dpma.de/DPMAregister/pat/register?AKZ=197334660
Code written by Matthew Petroff https://mpetroff.net, 2018
https://mpetroff.net/2018/05/photogrammetry-targets/
This script is released into the public domain using the CC0 1.0 Public Domain Dedication: https://creativecommons.org/publicdomain/zero/1.0/
- generate the ring codes find_codes.py
- generate a set of printable targets create-target_sheets.py
- generates 516 targets
Constructs SVG file for sheet of targets and then uses Inkscape to combine adjacent target segments into a single path and to export a PDF.
Detect and decode the Circular Coded Targets: https://github.com/poxiao2/CCTDecode