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First, the red basic image of optic disk was obtained, then automatic segmentation of optic disk was done based on the obvious edge features of the basic red image. 首先获取视盘图像的红基色图像 ,然后根据红基色图像中视盘的明显的边沿特征实现视盘的自动分割。
Our SC algorithm is such an ANN simulating HVS, experimental results show that this method can successfully extract the edge features of natural images. 本文提出的SC算法即是一种模拟视觉系统的神经网络模型，实验结果表明它可以成功地提取自然图像的边缘特征；
To reduce the number of intra-prediction mode,some candidate modes are selected based on the edge features or Key Edge Strength（KES） of the image,and then related RDO is calculated. 该算法根据主要边缘强度（KES）等边缘方向特征,选择出与该特征相对应的模式子集进行RDO计算,大幅度降低了帧内预测的模式选择数;
The edge feature is based on multiscale decomposition, which offers accurate and precise edge localization. 由于小波函数具有良好的局域性特点，不同尺度下用它检测出的边缘特徵点移位不会超过1个像素。
Extraction of Edge Features through Edge Focussing 利用边缘聚焦算法进行图像边缘线特征的提取
The proposed method firstly detects correspondences based on gray level edge feature so that the focal lens can be counted based on correspondences uniqueness. 该方法首先使用基于灰度边缘特征点的图像匹配来获得匹配坐标,并由匹配坐标唯一性计算焦距;
The log-polar transform (LPT) is utilized and an anti-rotation and anti-scale image matching algorithm is proposed based on the image edge feature point extraction. 在惯性导航系统中,定量分析了景象匹配过程中惯性导航系统漂移和无线电气压高度表测量误差对实测图的旋转和尺度所造成的影响,引入了对数极坐标变换。
The matting technology in virtual studio is studied in this paper.An algorithm of virtual studio matting based on edge feature binereliztion is proposed. 针对虚拟演播室中的抠像技术进行研究,提出了一种基于边缘特征二值化的虚拟演播室抠像算法。
His smile predominated his features. 他的微笑是他的容貌的重要特色。
He dismissed people with a lordly gesture. 他傲慢地让大家离去。
The factory is situated on the edge of the town. 这座工厂坐落在该城的边上。
The hotel is situated at the edge of the town. 该饭店坐落于市区的边缘。
The plates and bowls have a gilt edge. 这些盘子和碗镀有金边。
We all dislike her for her imperious gesture. 因她那傲慢的样子，我们都不喜欢她。
He is all on edge to have a look at it. 他急于想看一看那个东西。
He raised his hands in a gesture of despair. 他举起双手做出绝望的姿势。
I can recall the men's features. 我回忆得起这个人的容貌。
She was a bit on edge till she heard he was safe. 她听到他安然无恙才放下心来。
He put his arm round her in a protective gesture. 他用一只手臂围住她做出保护的姿势。
John ran to the edge of the lake and plunged in. 约翰跑到湖边，跑进了水里。