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Calibration of a Structured Light-Based Stereo Catadioptric Sensor
Orghidan, Radu; Salvi Mas, Joaquim; Mouaddib, El Mustapha
Catadioptric sensors are combinations of mirrors and lenses made in order to obtain a wide field of view. In this paper we propose a new sensor that has omnidirectional viewing ability and it also provides depth information about the nearby surrounding. The sensor is based on a conventional camera coupled with a laser emitter and two hyperbolic mirrors. Mathematical formulation and precise specifications of the intrinsic and extrinsic parameters of the sensor are discussed. Our approach overcomes limitations of the existing omni-directional sensors and eventually leads to reduced costs of production
Percepció de la profunditat
Visió omnidireccional
Visió per ordinador
Visualització tridimensional (Informàtica)
Computer vision
Depth perception
Omnidirectional vision
Three-dimensional display systems
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