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Edge-detection is the important link in weld image processing, according to the problem of noise reduction and edge details preservation in weld image edge detection, this paper presents a weld image edge-detection algorithm combined with Canny operator and mathematical morphology. Pseudo-edges of Canny edge-detection Algorithm is eliminated by edge-detection operator based on the mathematical morphology,...
According to the disadvantages of general PID controller parameters optimization methods, this paper presents an improved immune algorithm. Main characteristics of this algorithm is to generate an initial population using homogenization techniques, self-adapt crossover operator and mutation operator. Result of simulation shows that the new method is superior to Z-N optimization algorithm. This method...
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