查询词典 segmentation-cavity

The paper put forward segmentation method of wood surface disfigurement based on fractal parameter and the adjunction of spring and mass of matrix directing at disadvantages of segmentation method of traditional surface disfigurement and calculation methods of fractal parameter.

论文主要针对传统表面缺陷分割方法的不足，提出了基于分形参数的木材表面缺陷分割方法，并针对分形参数计算方法的缺点做了相应改进，提出了增容矩阵的计算方法。

Two-phase-learning is adopted. The strongpoint is that intuitionistic knowledge can be used to control the segmentation by using input-weight and distant-weight. Examples prove that segmentation using SOFM network is right and efficient. Surface fitting is an absolutely necessarily process in REGM. Surface fitting includes algebraic and parametric surface fitting. Algebraic surface fitting has not extra requirement for data distribute format and boundary shape.

第三种方法把人工智能用于反向工程的数据分区，因为数据分区的实质是相似特征的聚类，而神经网络可以实现自组织特征映射，在本论文中第一次把自组织特征映射神经网络用于多视图点云的数据分区，通过神经网络对数据点的坐标、法向量等几何特征进行聚类，并且运用了快速稳定的训练方法——两阶段训练算法，最重要的是，通过距离权值和输入权值可以把用户观察所得的直观知识加入聚类过程。

With the advancement of science and technology, some new theories and new ways emerged gradually, some of them merged with specific theoretical tools, this specific theoretical tools include mathematical morphology, fuzzy techniques, neural networks, wavelet and so on. Secondly, in this paper, it described and analyzed the segmentation method based on the edge in the domain of image segmentation in detail. It did experiments on several edge detection operators using MATLAB, it summarized the advantage and the shortcoming of traditional edge detection operators, and the operating environment. On the basis of the experimental analysis, it implemented an edge location more precise, more efficient operating speed edge extraction method——Template Vector. In this method, it optimized differential approximate calculation of first differential operators the paper mentioned. After experimented on this edge extraction method, contracted with the traditional methods, the edge outline is extracted more accurately and more exquisitely, furthermore, it retained the object outline furthest, and achieved more satisfied edge extraction result.

其次，对图像分割领域中常用的基于边缘的分割方法进行了详细的研究与分析，对各种边缘检测算子进行了MATLAB环境下的实验，分析总结了各种传统边缘检测算子的优缺点和适应环境，并针对传统边缘检测算子在处理显微图像时的缺陷，在实验分析的基础上研究并实现了一种边缘定位更加精确、运算速度更加快捷的边缘提取方法——模板向量算法，在该算法中，对文章提到的一阶微分算子中微分的近似计算作进一步优化，经过对该边缘提取方法进行实验，其结果与传统方法相比，轮廓提取更为精确细腻，且最大程度的保留了图像中物体(目标个体或者明显噪声点)的轮廓，得到了比较理想的边缘提取效果。

With the continual development of the theory and practice on image segmentation, the research barycenter switches to video segmentation will be natural.

随着图像分割领域理论和实践的不断完善，研究重心转向视频分割是一个非常自然的趋势。

To improving color segmentation effect of traffic sign under the RGB model, a method for image segmentation based on chromatic aberration was presented.

为了改善交通标志在RGB模型下的颜色分割效果，提出了一种基于三分量色差法的动态阈值分割改进方法。

Key words:3D model segmentation,cluster segmentation,3D point cloud,K-means cluster

提出采用K-means聚类分析方法对三维点云模型进行分割。

A new method based on subtractive image segmentation for weighted image fusion is put forward from another viewpoint. It adopts the improved particle swarm optimization to calculating the segmentation threshold of subtractive image and the corresponding weighted fusion coefficient in space domain or in wavelet decomposition domain. Moreover, it doesnt need to construct the eigenspace and quantitative eigenvalue for the weighted fusion coefficients.

本文从另外一个角度提出了一种基于差值图像分割的加权图像融合方法，它采用改进的粒子群优化方法在空间域或小波分解域求解差值图像的分割阈值和对应的加权融合系数，而不需要为计算融合系数而构造特征空间和定量特征关系。

In order to improve the accuracy of segmentation of region growing and reduce the number of user interaction,a segmentation algorithm of region growing based on confidence interval and region competition is presented.

为了提高区域生长的分割精度，减少种子点选取对分割结果的影响和用户交互量。提出一种通过置信区间和区域竞争计算目标区域最优阈值区间，用于医学序列图像的区域生长分割算法。

This paper focuses on location and segmentation,the top-bottom contour difference is used to solve characters conglutination segmentation.

重点研究了晶振字符的定位和分割，应用外轮廓差法很好地解决了粘连字符的分割。

D entropic thresholding method is a common image segmentation technology,it is suitable for the image segmentation of the object and background occupying the vast majority region of 2-D histogram,but this approach neglects the information of edge regions to the results of the segmentation.

二维熵的图像分割方法是一种常用的阈值分割技术，适合于对象和背景占据二维直方图绝大部分区域的图像分割，但该方法忽略了边界区域的信息对分割结果的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。