Firstly, the contour of the human bone image and a serial of edge contours in it are obtained after it is converted into certain format, adjusted and edged.
首先，对人体骨微观结构灰度图进行边缘检测、边缘增强以及轮廓提取等操作，得到了一系列的典型人体骨边缘轮廓图。
A new image enhancement algorithm based on covering template method was proposed in allusion to problem of blurring of edge contour induced by using the method.
针对掩模法存在边缘模糊负面效应的问题，提出了一种基于掩模法的新型图像增强算法。
While shapes are mostly defined by a contrast between elements, they're also defined by their contour, or edge.
虽然形状主要是通过元素间的对比来定义，但它们也可以借助轮廓线或边来定义。
Besides, the algorithms of edge detection, contour extraction and contour trace have been adopted in ct imaging processing.
此外，运用边缘检测、轮廓提取和轮廓跟踪等算法将CT图像进行边缘以及轮廓的处理。
According to the feature of ear image and requirement of extraction, this paper proposes a new edge detection method based on contour composition.
本文针对人耳图像的局部特征和识别要求提出一种基于轮廓合成的边缘检测方法。
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。
The descriptive method of local contour sequence (LCS) is introduced and improved. A method of matching and tracking based on the characteristic of image edge is presented.
介绍了目标轮廓lcs描述，并对其进行改进，建立了基于目标轮廓的特征匹配跟踪方法。
As for contour tracking, a contour tracking method based on characteristic code and retrospecting mechanism is present, which can track cell edge with short branch, so as to enhance its robustness.
在细胞轮廓提取方面，提出了一种基于特征编码和回溯机制的轮廓跟踪算法，能够正确跟踪具有短枝干扰的细胞边界，增强了细胞提取的可靠性。
On the basis of thread image acquisition, the edge of axial-section contour threads was obtained through using the edge detection algorithm.
在获取螺纹图像的基础上，通过边缘检测算法获取螺纹轴剖面外轮廓的边缘。
After the part edge was accurately detected, comer location is the most important part for us to calculate some high -precision contour parameters.
为满足工程上要求的高精度计算出零件轮廓参数，在检测出零件轮廓边缘后，角点定位成为影响结果精度的最重要因素。
Secondly, for the image edge detection, methods including the gradient method, the sharp-processing method, and the Hough transformation were used, and the contour tracing was also conducted.
边缘检测处理部分采用了梯度处理法、锐化处理法、哈夫变换处理法，并对图像作轮廓跟踪处理。
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。
The belt unit can be positioned horizontally for edge or face sanding or vertically for contour work or use with the tilting table.
带单元可以水平放置，否则将面临的边缘打磨或轮廓，或与工作表使用垂直倾斜。
The contour of cotton fibre is got by tracing it's outer edge.
轮廓通过直接跟踪纤维外边界来获得。
This paper proposed a new contour reconstruction method combining multi-scale strategy, and the core component of new method is edge distance graph algorithm.
设计了一种将轮廓线三维建模与多尺度二维图像处理技术相结合的新方法。该方法的核心是边缘距离图算法。
After analyzing snake and geometric active contour model, a minimum variation snake model was proposed and successfully applied to weak edge medical image segmentation.
我们在分析参数活动轮廓和几何活动轮廓模型的基础上，提出最小方差参数活动轮廓模型，并成功应用于医学图像自动分割。
Aiming at the shortcomings of traditional edge detection methods, considering the features of computer vision measurement, a practical contour extraction method is introduced.
针对传统边缘检测方法中存在的问题，结合计算机视觉测量技术的特点，提出了一种实用的轮廓提取方法。
The edge detection function of the implicit geodesic active contour model (GAC) was improved, and the weak edge detection was enhanced.
改进隐式测地活动轮廓模型(GAC)中的边缘检测函数，增强了处理弱边缘的能力。
Experimental results show that our method is simple, its localization accuracy is high, and the extracted ear contour edge is clear, connected and non-disturbed.
该方法运算量小，定位精确，得出的外耳轮廓图像清晰完整无任何干扰，而且定位成功率高。
The system used image manipulation method to measure geometrical parameters, including binary image production, edge detection, contour hunting and the thread geometrical parameter calculation.
探讨了利用数字图像处理技术进行锥螺纹几何参数测量的方法，并给出了锥螺纹部分的尺寸测量结果。
Then the result is interpolated into the next finer level of approximation image as a initial contour, and evolved with edge based and inter scales shape constrained ACM.
然后通过插值将结果向下一尺度低频图像传递，并利用尺度间形状约束和边界约束复合acm进一步细化曲线，使其符合局部图像特征，如此逐层重复直至原始图像。
Then, by applying this algorithm to the picture after pretreatment, we realize its edge-detection and get vector graphical data. As a result, we solve digital problem of geological contour-map.
然后，对预处理后的图像运用此算法实现了地质等值线图的边缘探测，并得到矢量图形数据，从而解决了地质等值线图件数字化问题。
Two active contour models, one based on an edge-stopping function, while the other is an energy minimization algorithm, are demonstrated.
文中给出两种活动轮廓模型，其中一种基于边缘停止函数，而另一种是一个能量最小化算法。
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。
Properly shifting the filter on the frequency region can improve the contrast and the contour acuity of the output image. It is profitable for edge detection.
阶跃滤波器在频域的适当的位移(偏置)即可以改善输出图像的衬底，也能改善其轮廓视锐度，从而有利于图像边缘的检测。
According to the feature of ear image and requirement of extraction, this paper proposes a new edge detection method based on contour composition.
采用区域性增强法对人脸图像进行预处理，用基于知识库的方法提取人脸几何特征。
According to the feature of ear image and requirement of extraction, this paper proposes a new edge detection method based on contour composition.
采用区域性增强法对人脸图像进行预处理，用基于知识库的方法提取人脸几何特征。
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