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A system architecture design photon pulses heterodyne detection system, using the photon pulse photon detection heterodyne principle and statistical theory, based on the establishment of a photon pulses theoretical models ranging accuracy heterodyne detection system. The use of square-wave approximation, based on photon pulses heterodyne detection system typical parameters, mainly to study the effects...
Intelligent building system attracts more and more attention in both academic and industrial communities. Learning human comfort requirements and incorporating it into building control system is one of the important issues. In the traditional HVAC control system, the thermal comfort and the acoustic comfort are often conflicted and we lack of a scheme to trade off them well. In this paper, we propose...
A new robust watermarking method, named QIM-NSGA-II, is proposed based on the non-dominated sorting genetic algorithm II (NSGA-II) and quantization index modulation (QIM). The NSGA-II algorithm is utilized to find out the optimal embedding position and adaptive quantization step for embedding watermark into a carrier image in the framework of QIM. In the process of searching an optimal solution, the...
SNN is a shared nearest neighbor based clustering algorithm. It is improved to process the data with categorical attributes and be given a simple and definite method to select threshold of the algorithm. By combine one-pass clustering algorithm with the enhanced SNN clustering algorithm, we present a fast clustering algorithm which can find different sizes, shapes and densities in noisy, high dimensional...
Based on the characteristic of dyadic wavelet transform to image denoising, this paper presents that denoising precision can be improved by the way that adopting different thresholds according to the different scales of the wavelet coefficients of image and noise to establish adaptive layered threshold function which adapts to it and reconstruct the wavelet. The experiment shows that by the method...
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