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- wavelet local maximum modulus 小波极大模
- Based on the variation feature of signal and yawp wavelet modulus value in different scales,image edge is extracted by using local maximum of wavelet variation modulus. 基于信号和噪声在不同尺度下小波系数模值的变化特征,利用小波变换系数模的局部极大值提取图像的边缘。
- local maximum modulus principle 局部最大模原理
- wavelet transform maximum modulus 小波变换极大模值
- The a priori estimate is established to the maximum modulus of solutionsof doubly nonlinear parabolic systems. 对一类双非线性抛物组的有界解,作出最大模的先验估计。
- Maximum modulus principle plays an important role in the complex analytics, and it is a powerful tool in studying the analytic function. 摘要最大模原理在复变函数论中占有重要的地位,是研究解析函数的有力工具。
- A stationary point which is neither a local maximum nor a local minimum point is called a saddle point. 一个既不是局部极大点又不是局部极小点的平稳点称为一个鞍点。
- Only keeping the local maxima, the Gaussian function is used to fit the wavelet coefficients directly, then inverse wavelet translation is used to reconstruct signal. 在只保留这些局部模极大值(即边缘)点信息的条件下,利用高斯函数直接拟合各级小波系数,然后再作小波逆变换就可恢复原信号。
- Secondly,areas of local maximum gray are found,to segment regions of interest(ROIs) roughly. 采用寻找局部灰度最大值方法对ROI进行初始分割;
- Based on the difference of maximum modulus evolution between signals and random noises in multi-scale space of WT, the signals from shaking table test are processed for random noise reduction. 摘要本文利用小波变换下有效信号有随机噪声在多尺度空间中模极大值不同的传播特性,对地震模拟振动台试验测试信号进行去噪处理,取得良好效果。
- This thesis propose a new method of pitch detection based on the local maximum map of the autocorrelation function, and a pitch marking algorithm by L-R decision. 关于基周撷取,本文提出一个新方法,是运用自我相关函数的局部极大值地图去撷取;关于基周标位,本文也提出一个演算法,是利用左右山峰去标位。
- A new level set way based on GVF was proposed, in order to solve the problem that the level set evolving curve will often stop on the local maximum or isolated edge. 摘要针对传统水平集分割图像会出现演化曲线停止于梯度的局部极大值或孤立的边缘处的缺点,对速度停止项进行了改进。
- maximum modulus principle, maximum principle 最大模原理
- On the Application of Maximum Modulus Principle 论最大模原理的部分应用
- It can improve the classical ant colony optimization algorithm(ACO)by combining adaptive dynamic routing algorithm.ACO has worse performance in convergence and is easy to fall into the local maximum. 蚁群算法有收敛性较差、易于过早陷入局部最优等不足,通过构建蚁群、引入信息素约束条件、调整信息素初始值、自适应改变信息素增量等技术,增强了蚁群搜索能力,改善了算法收敛速度。
- The Evaluation Form of Derivative Maximum Modulus 导数最大模的一个估计式
- The traditional matching algorithms based on gray relating have neither scale invariability nor rotational invariability.In this paper, a novel algorithm based on local maximum entropy was introduced. 摘要传统的基于灰度的匹配算法抗噪声能力和抗局部几何变形能力较差,通过图像熵变换,提出了一种新颖的基于局部最大熵的特征匹配算法;
- maximum modulus principle,maximum principle 最大模原理
- CCRGS is robust to interpolation.Few local maxima induced by interpolation occur in the CCRGS function. CCRGS方法对插值具有较高的稳健性,插值几乎不会引起其CCRGS目标函数中局部极值的出现。
- The mutual information function can be ill defined, containing local maxima result in misregistration. 除此之外,还详细研究了插值方法和灰度级别对互信息配准方法的影响。