%0 Conference Paper %A Mejias Alvarez, Luis %A Mondragon Bernal, Ivan Fernando %A Campoy Cervera, Pascual %B 2011 5th International Conference on Automation, Robotics and Applications (ICARA) %C Wellington, Nueva Zelanda %D 2011 %F upm:12181 %I IEEE %T Omnidirectional bearing-only see-and-avoid for small aerial robots: %U http://oa.upm.es/12181/ %X Motivated by the growing interest in unmanned aerial system's applications in indoor and outdoor settings and the standardisation of visual sensors as vehicle payload. This work presents a collision avoidance approach based on omnidirectional cameras that does not require the estimation of range between two platforms to resolve a collision encounter. It will achieve a minimum separation between the two vehicles involved by maximising the view-angle given by the omnidirectional sensor. Only visual information is used to achieve avoidance under a bearing-only visual servoing approach. We provide theoretical problem formulation, as well as results from real flight using small quadrotors