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Tasks that are too hard for single robot can be easily carried out by multiple robots in a cooperative manner. If some/all robots have mobile bases, the cooperation is subjected to great uncertainties in both the robotic system and environment. Therefore, the relationships among all the base frames (robot-robot calibration) and the relationships between the end-effectors and the other devices such...
Camera calibration is a necessary step in 3D computer vision in order to extract metric information from 2D images. In the camera calibration applying to multi-camera localization, it's prerequisite that all cameras, which mounted apart from each other, must observe the whole calibration object simultaneously. However, it's inconvenient to satisfy using traditional 3D or 2D calibration objects. In...
This paper proposes a method to improve the resolution of analog to digital (AD) conversion, which is based on the least square estimate method on the AD sampling data. Our method is realized by the software processing, and it provides a way to obtain higher resolution data of the sampling signals with the fixed hardware cost. It is suitable for processing the signal with some types of noises with...
The paper proposed a range-based particle filtering localization method for static WSN (Wireless Sensor Network). In the method, every blind node in WSN localizes itself through local distance measurements. So the method is parallel. With the development of hardware, RSSI (Received Signal Strength Indicator) measurements were already hardwired in some chips, and then almost no extra hardware was required...
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