@article{grassi junior_okamoto junior_2006,  title={Development of an omnidirectional vision system},  volume={28},  ISSN={1678-5878},  url={https://doi.org/10.1590/S1678-58782006000100007},  DOI={10.1590/S1678-58782006000100007},  number={1},  journal={Journal of the Brazilian Society of Mechanical Sciences and Engineering},  publisher={Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM},  author={Grassi Junior, Valdir and Okamoto Junior, Jun},  year={2006},  month={Jan},  pages={58–68} }