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In this paper, we have designed and implemented an automated smart car system based on camera. With the Freescale MC9S12XS128 microprocessor as its control centre, the system is consisted of both Software and Hardware. At first, the system extracts the horizontal signal and vertical signal from the camera video signal through the LM1881 external circuit, and then the MCU acquires the real time road...
Bayesian network is an uncertainty inference network based on probability. Its structure learning is one of the main research techniques in the field of data mining and knowledge discovering, while constructing Bayesian network structures from data is NP hard. According to the information theory and conditional independence test, a new algorithm is presented for the construction of optimal Bayesian...
The general way to design the output inductor is taking the critical discontinue current as the basis, then selecting the inductor current ripple according to the experiential equations to calculate the inductor value. This method neglects the effects of the inductor current ripple on the overall stresses of the converter, and can't provides ideal output inductor values, so it will affect the actual...
The pork quality involves multifaceted characters. The producers, sellers, consumers and slaughters have different requirements in the same process, so we should use various indexes to evaluate the pork grading. In this paper, we measured the horizontal length, fat thickness and lean meat content of different parts, then calculate the lean percentage of pig carcass, and record the artificial grading...
Model reconstruction is the core of reverse engineering. The current method for surface model reconstruction is not effective for most structural parts whose surfaces are often quadratic and have mutual constraints. This paper proposes a method for conducting constraint-based synchronous fitting on multiple surfaces. Firstly the measured data after segmentation are fitted respectively on the basis...
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