In chapter 4, the mean-cross entropy model is proposed on the analysis of the minimum cross entropy principle.
大连理工大学博士学位论文第四章从最小叉嫡原理与最大嫡原理互补性出发建立了均值一叉嫡优化模型。
Abstract: Objective: to investigate neural network based on cross entropy method to identify typical pathological images.
摘要目的探讨利用基于交叉熵的神经网络识别典型病理图像。
The new algorithm is compared with a number of traditional algorithms based on Shannon entropy and minimum cross entropy by applying them to various test images.
比较了新算法与基于最小交叉熵以及基于传统香农熵的阈值化算法的特点和分割性能。
In the text the Max entropy and the Max cross entropy are respectively selected as the image segmentation criterions and the PCNN model has been rationally simplified.
分别选择最大熵和最大交叉熵作为PCNN图像分割准则,并对PCNN模型进行合理简化。
Based on the cross entropy principle in information theory, a novel index named state-test association sensitivity index is proposed together with its calculating methods.
基于信息论的交叉熵原理提出状态-测试关联灵敏度指标,并给出计算方法。
A new dynamic detection method for roll bearing faults was proposed based on wavelet packet and cross entropy from the angles of information differences of detection signals.
将小波包变换和迭代交叉信息熵有机结合,从检测信号信息量差异性的角度出发,提出一种设备故障动态检测的新方法。
The four kinds of feature selection statistics include Chi-square, information gain, and mutual information and cross entropy, and the four corresponding feature sets are obtained.
这四种特征选择采用的统计方法是:卡方、信息增益、互信息、交叉熵。
The paper measures and analyzes change of China's industrial structure from 1987 to 2002 based on an Input-output table cross entropy updating method. We draw the following conclusions.
本文基于投入产出表的交叉熵更新方法,度量并分析了1987-2002年期间中国产业结构的变化,得到以下结论。
Finally, evaluation is made from the following aspects: mean, entropy, cross entropy, distortion of the correlation coefficients and the feasibility of the method is verified in this paper.
最后从均值、信息熵、交叉熵、扭曲程度、相关系数等方面对融合后图像进行了评价,验证了算法的可行性。
Then, starting with the concept of information entropy and analysis about cross method for rare event simulation, this thesis introduces the basic idea of cross entropy optimization method.
接着从信息熵的概念谈起,通过对小概率事件仿真方法的分析,引出交叉熵优化方法的思想。
Objective parameters of evaluating the fusion performance are provided via entropy and cross entropy. Comparisons of performance of Brushlet-based and wavelet-based fusion methods are provided.
对普通图像、航拍图像和医学图像分别进行融合操作,并将融合结果与已知图像的熵和交叉熵作为客观评价指标,与相应小波融合方法进行了比较。
Owing to the disadvantage that traditional stopping criteria expend hardware resource too much, USES the combination of cross entropy criteria and exterior information by way of the stopping criteria.
针对传统停止迭代准则译码耗费硬件资源的不足,提出了利用外部信息结合交叉熵迭代停止准则作为新的迭代停止准则算法。
The methods of the evaluation of image fusion, which includes: entropy, cross entropy, mutual information, mean square error, root mean square error, peak-to-peak signal-to-noise ratio were presented.
介绍了图像融合的各种评价方法,包括:熵、交叉熵、交互信息量、均方误差、均方根误差、峰值信噪比。
Analyze the time correlation in the differential image sequences: Use cross-entropy to track the blocks of image sequences according to the time correlation along the time axes.
分析差分图像序列沿时间轴的时间相关性:利用交叉熵来分析差分图像序列的时间相关性,根据图像序列的时间相关性来跟踪各差分图像序列块。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
第二个是采用现代谱估计技术(最大熵法,最小交叉熵法)分别对雷达发射信号脉内及脉间的起伏特性进行分析。
Combining the thoughts of image intensity normalization and two-dimensional cross-entropy, a moving object detection algorithm, which is robust against illumination changes, is presented.
结合图像亮度归一化和二维交叉熵的思想提出了一种针对光照变化鲁棒性强的运动目标检测算法。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
最大熵与互功率谱相位法就是首先求出组分波的波至点。
Objective To identify typical pathological images by using the neural network based on cross-entropy method.
目的探讨利用基于交叉熵的神经网络识别典型病理图像。
The method "s performance is evaluated by using the entropy, cross-entropy, mutual information, error of mean square root and peak signal to noise ratio."
并采用熵、交叉熵、互信息、均方根误差和峰值信噪比等指标对该方法进行了客观评价。
Based on the principle of minimum cross-entropy, diagnostic entropy in broad sense is applied to characterize the fault diagnostic process.
将故障熵的概念引申为广义故障熵,并结合最小互熵原理,用于阐述诊断推理过程。
Solution of the optimization problems of minimum cross-entropy with cross-entropy-type constraints was studied.
研究了带有叉熵约束的最小叉熵优化问题的求解问题。
Both stopping criterions are based on the cross-entropy concept (ce), but the new criterion is simpler than ce criteria and can be realized with lower complexity.
这两种迭代终止准则都是基于互熵(CE)的概念,但是后一种比CE准则更简单,具有更低的计算复杂度。
Then, using the inequality of information theory, the paper directly proved that the minimum cross-entropy solution is exactly the dual geometric programming solution.
同时利用信息论中的不等式,直接地证明最小交互熵解就是对偶几何规划解;
Then, using the inequality of information theory, the paper directly proved that the minimum cross-entropy solution is exactly the dual geometric programming solution.
同时利用信息论中的不等式,直接地证明最小交互熵解就是对偶几何规划解;
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