1. Horst, R., Negin, M.: Vision system for high-resolution dimensional measurements and on-line SPC: web process application. IEEE Trans. Ind. Appl. 28, 993–997 (1992)
2. Jain, R., Kasturi, R., Schunck, B.G.: Machine vision. McGraw-Hill Inc, New York (1995)
3. Nayar, S.: Catadioptric omnidirectional camera. In: Proceedings of IEEE computer society conference on computer vision and pattern recognition, pp. 482–488 (1997)
4. Lamkin, M., Ringgenberg, K., Lamkin, J.: Distributed multi-aperture camera array. US Patent US 2019 / 0246044 A1 (2019)
5. Keep one eye out (2012) [Online]. https://www.aviationtoday.com/2011/12/01/keep-one-eye-out/. Accessed 1 May 2020