The image fractal dimension feature describes the complexity and the roughness of texture.
图像的分数维特征描述了纹理的复杂度和粗糙度。
Therefore, describe the fractal feature of acoustic emission time sequence by correlation dimension and research the evolution law of rock damage and failure process.
本论文采用关联维数来描述岩石声发射时间序列的分形特征，研究岩石损伤破坏过程的演化规律。
This paper expatiates the notion of image fractal dimension and multi-scale fractal feature, proposes a ship target detection method based on multi-scale fractal feature.
阐述了图像分形维和多尺度分形特征的概念，提出了一种多尺度分形目标检测方法。
Based on fractal box dimension feature of signals, this paper presents a spectrum sensing method employing the difference of fractal box dimension be tween noise and licensed signals.
在信号分形盒维数特征的基础上，提出利用噪声与授权信号分形盒维数的差异对授权用户是否存在进行检测。
The popular method for fractal dimension estimation is box-counting method, but as to gray level images, the results are so coarse that they could hardly be used as the feature for image analysis.
目前计算分数维广泛采用的方法是盒维数法。但对于灰度图像而言，盒维数计算的结果太粗略以致于很难将它作为进行图像分析的特征。
Then a new definition of fractal dimension-extreme value weighted mean fractal dimension is given, and with it the feature matrix is extracted. At last, a cor…
定义了一种新的图像分数维一极值加权平均分数维，用于提取虹膜特征；
Then a new definition of fractal dimension-extreme value weighted mean fractal dimension is given, and with it the feature matrix is extracted. At last, a cor…
定义了一种新的图像分数维一极值加权平均分数维，用于提取虹膜特征；
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