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- 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。
- 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 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。
- 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。
- 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 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;
- The Local Maximum Points for a Neumann Problem Neumann问题的局部最大值点
- 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。
- Unfortunately, the mutual information function is generally not a smooth function but one containing many local maxima, which has a large influence on optimization. 但基于互信息的目标函数存在许多局部极值,为配准的优化过程带来了很大的困难。
- In this paper, local maxima of mutual information are analyzed using linear interpolation and near neighborhood interpolation for different resolution images. 该文利用一维信号从理论上分析了线性和最近邻两种插值方法对互信息的影响。
- The experimental results show that speech signal is acquired at sample frequency of 22 kHz and the pitch period is estimated by finding the distance between the local maximums. 通过计算不同尺度下的相关系数局部极大值之间的距离,能估计出基音周期;
- A syndicate of local businessmen is bidding for the contract. 一个当地企业家的联合组织在向这一合同投标。
- My husband is a history teacher at the local school. 我丈夫是本地学校的一位历史教师。
- 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。
- His son was indentured to the local blacksmith. 他的儿子拜当地的铁匠为师签订了师徒合同。
- Barry is the new news hawk at the local newspaper. 巴利是这家地方报纸最新聘任的新闻记者。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- He's a paint sprayer in the local factory. 他在当地工厂当喷漆工。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries