A way of face detection integrating image gray entropy features and SVM classifier is presented.
提出了一种基于支持向量机并综合图像灰度值和灰度熵的人脸检测方法。
Entropy thresholding method is an automatic technique for thresholding of digital images based on gray level-gradient co-occurrence matrix and the maximum entropy principle.
它包括二维匹配滤波预处理以增强血管的灰度,以及用灰度-梯度共生矩阵的最大熵阈值化方法。
This indicated that entropy weight-based gray systematic theory can be used in integrated evaluation of oat (Avena sativa L. ) germplasm.
聚类分析也得到相同结果,说明基于熵权赋权法的灰色系统理论可以用于燕麦种质资源的综合评价。
Meanwhile, through the privacy key analysis, the histogram analysis, the information entropy, the average value of gray change and the relevant analysis, the security of this algorithm is very high.
同时通过具体的密钥空间分析、直方图分析、信息熵、灰度变化平均值和相关性分析显示,该算法具有很高的安全性能。
Maximum entropy spectrum analysis method is used in cycle analysis of hydrodynamic conditions, and then the author makes prediction with gray model.
对水动力条件采用极大熵谱分析法进行周期分析,并用灰色模型进行预测。
To evaluate the performance of the road, this paper proposes a method of gray evaluation based on center triangle whitening weight function, and the weight is determined by entropy objectivity.
在路面使用性能评价方面,本文提出基于中心点三角白化权函数的灰色评价方法,其权重采用熵值法客观确定。
This paper used the information theory, the "entropy method", the indicators of weight distribution, gray relational method combined with factors associated with the evaluation.
论文运用了信息论中的熵权法对指标因子做权重分配,并结合灰关联方法对各指标因子进行关联并综合评价。
Based on maximum between-cluster variance method and uniformity measure, this paper USES maximum entropy principle to select the gray-level threshold value for image segmentation.
在最大类间方差法和一致性准则法的基础上,运用最大熵原理来选择灰度阈值对图像进行分割。
From 1998 to 2003, the gray relational entropy of low-water resource system changes from low, high to low value. After 2003, the gray relational entropy begins to increase again.
研究结果表明,贵阳地区1998年到2003年其枯水资源系统的有序度变化从增加到减小再到增加,2003年以后灰关联熵又开始增加,系统有序度又有增强的趋势。
In this paper a novel method is presented to segment gray level image through maximizing the fuzzy partition entropy of two-dimensional histogram.
该文提出了一种通过最大化二维直方图模糊划分熵分割灰度图像的新算法。
In this paper, an automatic approach for thresholding based on gray level gradient co occurrence matrix model and the maximum entropy principles is proposed.
提出了一种基于灰度-梯度共生矩阵模型和最大熵原理的自动阈值化方法。
The results demonstrate that the maximum local entropy value decision criterion has a better performance than the gray level decision criterion for the segmentation.
实验结果表明,用图像局部熵相似性判决准则的图像分割结果优于用图像灰度值相似性判决准则的图像分割结果。
Combining the two essential characteristics of the image, the gradient and the gray level, a threshold segmentation approach using maximum entropy with the gradient boundary control was proposed.
结合梯度和灰度这两种图像的本质特征,提出一种基于边界梯度控制的最大熵阈值分割方法。
The analytic hierarchy process & entropy weight gray analysis combined method is presented to evaluate the rail planning network, which is feasible and effective.
将层次兮析法——墒定权的灰色关联分析方法用于轨道交通线网方案的评价,可行且有效。
Then, vehicle validation process is accomplished by local entropy and local gray scale symmetry estimate. Finally, the validated ROI area is filtered to obtain the ultimate detection results.
最后,通过基于局部信息熵和局部灰度对称性测度的假设验证对ROI区域进行验证并对验证后的车辆区域进行滤波,得到最终检测结果。
Then, vehicle validation process is accomplished by local entropy and local gray scale symmetry estimate. Finally, the validated ROI area is filtered to obtain the ultimate detection results.
最后,通过基于局部信息熵和局部灰度对称性测度的假设验证对ROI区域进行验证并对验证后的车辆区域进行滤波,得到最终检测结果。
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