1) concave spot extraction
凹点提取
2) corner detection
角点提取
1.
A new algorithm of subpixel corner detection;
亚像素级标定角点提取新算法
2.
The exact corner detection is vital to image processing and measurement.
文章对SUSAN(Smallest Univalue Segment Assimilating Nucleus)角点提取算法中阈值的确定提出了改进,在图像中每个像素的SUSAN模板内单独计算阈值t,使其在各种不同的对比度下仍能正确提取出角点。
3.
This paper expounds corner detection method to get the position information of every braided unit's climaxes.
本文提出了一种可行的，并且计算复杂度小的角点提取的方法以完成图像中编织花节顶点信息的提取。
3) Vertex Picking-up
顶点提取
4) poles extraction
极点提取
1.
In this paper,method for poles extraction is studied.
重点研究了极点提取的Prony法,并在其基础上提出了它的一种改进形式。
2.
A complex target poles extraction method exploiting simulated scattering data in frequency domain is provided.
采用一种基于谐振区频域数据的极点提取方法,实现了飞机和舰船目标极点特征可靠提取。
5) zero-point obtaining
零点提取
6) Corner extraction
角点提取
1.
Based on the analysis of the characteristics of the spline wavelet representing images in the scale-space,spline wavelet technique has been researched on the demand of image enhancement in corner extraction of image segmentation.
文章分析了样条小波在尺度空间中描述图像的特点,针对图像分割中角点提取对图像增强的要求,探讨了样条小波增强技术。
2.
A new wavelet transform approach was presented for local feature extraction (mainly contour extraction and corner extraction),and the feasibility and effectiveness of the proposed approach were demonstrated experimentally.
提出一种新的用子波变换提取局域特征（主要是轮廓提取和角点提取）的方法，并用实验对该方法的可行性和有效性进行了论
3.
Second, to meet the requirement of high accuracy in some image registration fields, a algorithm based on corner extraction and correlation matching is used.
(2)针对一些图像配准中高精确性的要求,采用了一种基于角点提取和相关性准则的图像配准方法。
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条