1) sharp-edge
直角边缘
1.
Preventive effect of sharp-edged poly(methyl methacrylate) intraocular lens on posterior capsule opacification;
直角边缘人工晶状体预防兔后囊膜混浊的实验研究
2) edge angular histogram
边缘角度直方图
1.
Remote sensing image retrieval based on improved edge angular histogram;
改进的边缘角度直方图在遥感图像检索中的应用
2.
Secondly,salient closed boundaries are selected and each salient closed boundary is described by the feature: edge angular histogram,the image is represented by the feature of salient closed boundaries.
它使用基于图论方法的边缘比算法,从噪声图像中获取图像的显著封闭边界,然后以显著封闭边界来代表图像,每条显著封闭边界由边缘角度直方图来刻画,并以此特征进行图像间的相似性度量。
3.
Based on the existing algorithm,a new method,using the combination of edge magnitude histogram and edge angular histogram,was proposed in this paper.
在已有算法的基础上,文中提出了一种综合利用边缘幅度直方图和边缘角度直方图进行图像检索的新算法。
3) square-edged orifice plate
直角边缘孔板
4) border line
边缘直线
1.
Image processing was completed by border line method to get the deviation.
通过采用边缘直线方法对倾斜图像进行处理,获取跑偏信息,从而实现在线监测和纠偏。
5) vertical lines
垂直边缘
1.
Starting from detection of vertical lines, a strategy for automatic extraction of high-rise building in monocular high-resolution aerial images is developed under the evidential reasoning methodology, while many useful information in object space and image space are combined, and multiple advanced techniques of signal processing and computer vision are incorporate.
由建筑物垂直边缘检测出发,采用证据推理法,该文提出了一种在单视角高分辨率航空影像中自动提取高层建筑物的策略。
2.
In this paper, in order to extract vertical lines, a simple method for determining the vanishing point of vertical lines is first analyzed based on the knowledge about the aerial photogrammetry.
航空影像中 ,垂直边缘对建筑物提取具有重要意义。
3.
First, in order to acquire periodic texture signals, gray-levels down the vertical lines are picked-up; and in order to enhance signal s robustness for noise and to catch the transversal orientation of texture, gray-le.
依据灰度图像中窗户区域呈现出的明暗变化规律,在建筑物垂直边缘检测的基础上,利用时频分析和Radon变换描述了窗户纹理的周期性和方向性。
6) straight edge
直线边缘
1.
Since the edge also has global straight property in the whole edge region, the midpoint of the line segment is used to fit the straight edge by least square method to get subpixel edge location.
根据局部区域内边缘的直线特性,求得小邻域内直线段的高精度位置;再根据边缘区域内边缘的全局直线特性,用线段的中点来拟合整个直线边缘,得到亚像素精度的图像边缘。
补充资料：Descartes直角坐标系
Descartes直角坐标系
artesian orthogonal coordinate system
(O力称为纵轴(o rdjna忆蹦)，两坐标轴把平面分成四个相等的区域，它们称为冬呼(q珑址ters或qua妞nts)· 点M的DesCarteS享角半坪(Car‘esian rectangUlar~dinates)由有序实数对(x，刃来表示，其中第一个数(横坐标(abS比sa)等于有向线段OM在横轴上的正射影，第二个数(纵坐标(ordinate)是有向线段OM在纵轴上的正射影. 三维空间中的Descartes直角坐标系的建立和平面情况是类似的:由横坐标轴、纵坐标轴和竖轴(a PPliCate欲地)以及坐标原点O来定义.通过两个坐标轴的平面称为坐标平面(仪幻记血血p脚叱).三个坐标平面把空间分成八个相等的区域—卦限(。以ants). 有时也采用(一般)1)习二八eS斜角坐标系(e川岛泊nske妞峪led(罗朋司)咖攻恤皿记s声把m〕.它与直角坐标系的差别在于坐标轴之间的夹角不一定是直角. 直线坐标方法是R.Descartes引人的(【11)，因而得名.1)es口州睑s直角坐标系tC以te幼an田山嗯回目“目浦皿妞s声tem;加双pT0oan，珊yl刃叨脸.a，饰峨Ma“。叩刀””aT]规范正交的 Eudid空间中的直线坐标系. 在平面上，Descartes直角坐标系由两条相互垂直的直线—坐标轴(叨rdinate axes)来确定，在每一个坐标轴上都指定了正方向和单位长的线段.两个坐标轴的交点(0)称为半标厚卓(COOrdina‘e origin)·一个坐标轴(Ox)称为横轴(a份比服ax拐)，另一个坐标轴
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参考词条