منابع مشابه
ToF cameras for active vision in robotics
ToF cameras are now a mature technology that is widely being adopted to provide sensory input to robotic applications. Depending on the nature of the objects to be perceived and the viewing distance, we distinguish two groups of applications: those requiring to capture the whole scene and those centered on an object. It will be demonstrated that it is in this last group of applications, in whic...
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A Time-of-Flight (ToF) camera is a relatively new type of sensor that delivers 3-dimensional images at high frame rate, simultaneously providing intensity data and range information for every pixel. It has been used in a wide range of applications and here we will describe the lessons learned by using such cameras to perform robotic tasks, specifically in eye-in-hand configurations. In such con...
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Vision constitutes the most important sense in the vast majority of animals. Researchers in robotic systems, where biological inspiration has been always a reference, frequently try to make use of vision as a primary sensor. The technological advances have notably favoured this, permitting the incorporation of cameras to a wide variety of robots, including even low cost models. Initially config...
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Multi-camera systems are more and more used in vision-based robotics. An accurate extrinsic calibration is usually required. In most of cases, this task is done by matching features through different views of the same scene. However, if the cameras fields of view do not overlap, such a matching procedure is not feasible anymore. This article deals with a simple and flexible extrinsic calibratio...
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Robots need information about the environment to achieve their goals, regardless of its purpose. Among different existing approaches, good results have been achieved by using optical-based measurement systems. In this paper, the development of a stereoscopic vision system using both active and passive measurement techniques is presented. The proposed hybrid configuration provides data enough fo...
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ژورنال
عنوان ژورنال: Sensors and Actuators A: Physical
سال: 2014
ISSN: 0924-4247
DOI: 10.1016/j.sna.2014.07.014