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Cardiovascular disease (CVD) is the leading cause of global death. The Electrocardiogram (ECG) is the most widely adopted tool that measures the electrical activities of the heart from the body surface. However, heart rhythm irregularities and other heat attack problems cannot always be detected on a standard resting ECG machine, since they may not occur during an individual's recording session. Common...
Automated threshold algorithm of second wavelet transform is used in extraction of partial discharge. Exponential damping or exponential damping oscillating etc. two kinds of partial discharges are used in numeric simulation, and effectiveness of extraction of partial discharge is studied. Simulation results show that wavelet transform can effectively extract partial discharge from random noise because...
According to the degraded phenomenon of images, establishing shot is a gray-scale distribution of some more concentrated and closer to the sky brightness of the region, while the close-range part can tell, the gray distribution is symmetrical. A new threshold segmentation method based on the genetic algorithm for enhancing the misty images is proposed. the method seeks the threshold value using genetic...
SIFT (scale invariant feature transform) used in fruits recognition presents a characteristics matching algorithm according to fruits images. The algorithm uses SIFT characteristics as matching feature, then introduces Euclidean distance as the similarity metrics of image matching, and uses a method of setting a threshold value to delete the false matching points. The experimental results prove that...
The feature selection consists of obtaining a subset of these features to optimally realize the task without the irrelevant ones. Since it can provide faster and cost-effective learning machine and also improve the prediction performance of the predictors, it is a crucial step in machine learning. The feature selection methods using support machine have obtained satisfactory results, but the noises...
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