By using this method, mixed noise of ct image can be denoised and contour information of vertebra of ct image can be protected very well.
该方法在去除CT图像中混合噪声的同时能很好的保护图像的轮廓信息。
It calculates the gradient information of an input image as the reference image, which reduces the most inner details of the reference image but emphases its contour information.
计算输入图像的梯度值，减少了图像的内在信息而使轮廓更为清晰。
The directional chain code is used to record the contour information data according to the trend of the contour, and this will be very convenient for the smoothing process later on.
采用方向链码记录轮廓信息，它依据轮廓走向的顺序来记录数据，这对以后的光顺处理工作将是十分方便的。
With the complete contour information, we present a convolution approach, which utilizes an appropriate linear interpolation to resample the contour to calculate pointwise curvature.
在获得轮廓的完整信息后，文中提出采用卷积积分的方法，通过线性插值对轮廓进行重采样来计算各离散点曲率。
The prior information of active contour with global translation preference can be interpreted as the velocity field along the evolving contour with equivalency preference.
演化轮廓具有的全局平移优先性可以理解为沿轮廓的速度场具有相等的倾向。
A new feature-points extraction algorithm is proposed, which USES least square method fitting contour curve and combines slope, curvature information to extract feature-points.
提出一种新的轮廓特征点提取方法，它利用最小二乘法拟合轮廓曲线，结合斜率、曲率信息提取特征点。
Prior knowledge of the vehicles, such as shadows underneath the vehicles, rich edge information, contour symmetry, gray level symmetry, horizontal line symmetry and etc, is combined.
联合使用车底阴影、边缘信息、轮廓对称、灰度对称、水平线对称等车辆先验知识，提出一种基于特征的车辆检测方法。
Methods ct imagine processing, contour lines of cross-sections information processing, numerical finite element analyses.
方法CT图像处理、截面轮廓线信息处理、数字有限元分析。
A new face contour extraction method was proposed by using skin color and multiple information fusion.
提出了一个基于肤色并融合多种信息的人脸轮廓提取方法。
Parametric active contour model incorporating regions information was studied for image segmentation.
对于参数活动轮廓模型，研究区域信息对图像分割的影响。
The user interface is divided into gesture area, contour area, control area and information suggestion area.
将用户界面分为手势区、轮廓区、控制区、信息提示区等。
To make the contour localization more reliable, color information is further used in the block matching motion estimation.
为使轮廓定位更可靠，在块匹配的运动估值中使用了彩色信息。
The original gray level image was changed into the macroscopical drawing information by pre-processing, threshold selection, image bivalency, edge detection and contour extraction and segmentation.
对原始数字图像实施预处理、二值化、轮廓提取及细化等处理后，将图像信息转变成宏观图形信息。
In image processing, the initial contour guided by GVF information of external image will be evolved until it reaches the desired position.
在图像处理过程中，初始轮廓由外部图像的GVF信息引导，最后收敛到所期望的目标位置。
The method makes use of the global information of the contour, and can be adjusted by entering parameters.
这种方法充分利用了轮廓曲线的全局信息，而且可以通过输入参数来控制匹配效果。
Contour and directional information are intrinsic geometrical features of images.
轮廓和方向信息是图像的本质的几何特征。
In traditional method, flat triangles produced by listed contour data are used directly to fit the surface in which the reconstructed effect and the expressive information are limited.
传统的基于轮廓线三维重建方法中，直接采用由序列轮廓线生成的平面三角片拟合曲面，重建的效果和表达的信息均有限。
A random approach to extract the contour and inner and outer information of thermal image is given.
提出一种提取红外图像轮廓及内外部信息的随机方法。
Flat triangles produced by listed contour data are used directly to fit the surface in traditional method, in which the reconstructed effect and the conveyed information are finite.
传统的方法直接采用由序列轮廓线生成的三角片来拟合曲面，重建的效果和表达的信息均有限。
Based on topological neighborhood information of triangular mesh model, cross-section contour curve was extracted rapidly;
基于三角网格模型的拓扑邻接信息，快速提取截面轮廓曲线；
The developed model, which incorporates the information of foreground and background regions, produces perceptual characteristics and is a general form of the geometric active contour model.
该模型符合知觉特性，是几何活动轮廓模型的一般形式，且融合图像区域信息和边界信息。
The second term is based on the shape information, which constrains the active contour to approach a shape compatible with a statistical shape model of the shape of interest.
第二项是形状能量项，它保证主动轮廓在统计形状模型所允许的范围下形变；
The random algorithm can detect the contour and inner and outer information of thermal image.
实验结果表明，随机算法的效果较好，能满足红外自动目标识别的实际需。
Under the smooth contours assumption, the method considered the smoothly varying characteristics of nature image contours, and utilized the information of edge degree to suppress contour jaggies.
该算法充分考虑自然图像边缘缓慢变化的特点，在图像边缘平滑的假设下，采用边界程度信息来抑制锯齿现象。
A method based on contour matching to extract the head disparity was presented, in order to improve the accuracy rate of vision-based passenger flow estimation system by using the depth information.
为了利用立体视觉技术提升视觉客流统计系统的准确率，提出一种基于区域视差提取的单、双目处理技术相结合的行人头顶部检测新方法。
A method based on contour matching to extract the head disparity was presented, in order to improve the accuracy rate of vision-based passenger flow estimation system by using the depth information.
为了利用立体视觉技术提升视觉客流统计系统的准确率，提出一种基于区域视差提取的单、双目处理技术相结合的行人头顶部检测新方法。
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