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To the pipeline welding defect detection, robot tracking weld reliably, the welds original image acquired by visual sensor need pretreatment to eliminate the impact of noise. A pipeline welding machine vision detection system proposed in this paper. With the help of embedded computer and takes full use of the traditional ultrasonic-testing device, FPGA, USB, electronic technology and wavelet transform...
During the human-robot cooperation assembly process, detecting an operator's position not only protects the operator, but can also predict the operator's intention according to his position. This paper describes an image-based operator monitoring system based on the direct linear transformation (DLT) method. To overcome the changing light conditions in actual factories, a special color filter method...
In the visual tracking system, noise appearing in visual information measurement contributes significant degradation on tracking performance. In this paper the limited authority control strategy is added to the previous existing control to improve the tracking performance.
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