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- Using this invariability，the geometrical distortion is first retrieved. 利用该不变性，可以较好地矫正几何形变。
- The current paper dicusses the basic principle of how to solve the precise measurement and calculation of FOD, FDD, and the correction of the geometrical distortion of the projected image. 由于图像增强器与图像获取装置本身固有特点以及非线性获取成像 ,投影图像存在几何畸变。 讨论了图像几何畸变校正的基本原理 ,并给出具体步骤以及校正后的图像
- The method is highly reliable and not sensitive to geometrical distortion, intensity inhomogeneity and data missing, and it can avoid obvious errors by adjusting initial parameters properly. 该算法可靠性高，对图像几何失真、灰度不均匀性及数据的缺失等不敏感，并适当调整初始化参数，可以避免明显的误配准。
- It's to say that geometric distortion may be produced in test images, which would bring great effect on recognition results. 几何失真将对于图像识别的结果带来很大的影响。
- But, most of traditional digital watermarking schemes is normally not to resist both geometric distortion and signal processing attacks well. 但是,大多数传统的浮水印方法,通常无法有效的同时抵抗几何扭曲跟信号处理的攻击。
- Experimental results show that our algorithm reduces the geometric distortion effectively and ensures the validity of the conformal mapping. 实验结果表明，该算法通过优化切割线和参数域边界有效地降低了三角形形状扭曲，并保证了参数化结果的合法性。
- A Method of Auto-correcting Geometrical Distortion of Digital Images 一种数字图像几何畸变的自动校正方法
- Finally the digital high-resolution picture transmission data (HRPT) and the automatic picture transmission data (APT), in which image geometric distortion has been correctel, are outputed. 最终输出数字量高分辨率图像传输资料HRPT和经图像几何畸变校正的自动图象传输资料APT。
- Analysis and measurement of geometrical distortion of computer radiographs 计算机放射成像系统几何畸变的测试和分析
- Research on Method Against Geometrical Distortion of Image Digital Watermarking 图像数字水印抗几何变换方法的研究
- How dare he distort the facts so brazenly! 他怎么敢如此肆无忌惮地歪曲事实！
- Geometrical theorems grew out of empirical methods. 几何定理是从经验得出的。
- Real-time geometrical distortion rectification method for vehicle license 汽车牌照实时几何畸变校正方法
- Study on the robustness based on time and geometric distortion is a topic and a difficult point of digital watermark. This paper analyzes this phenomenon and proposes several countermeasures. 对时间和几何失真的鲁棒性的研究是数字水印技术当前研究的主题和难题,文章提出了解决这一难题的几种方法,并对这些方法进行了比较分析,得出结论,同时对这一难题提出展望。
- For ocular fundus images (OFIs), geometric distortion due to taking pictures at oblique visuai points and gray level distortion due to leakage of fluorescein and so on are almost unavoidable. 对于眼底图像,由于不在正视点取像造成的几何畸变和由于荧光素从血管壁渗漏等造成的灰度畸变,几乎是不可避免的。
- The results showed that images from gyroplane exhibited significant geometric distortion, and the precision of the corrected images can satisfy the requirements in precision agriculture. 研究结果表明，旋翼无人机所获得图像几何畸变明显，经几何纠正后，所获得的田块信息精度能满足精准农业的要求。
- An information collecting technology based on unmanned gyroplane was trially tested.The characteristics of geometric distortion from acquired images and their correction methods was introduced. 摘要基于旋翼无人机遥感平台信息采集的试探性研究，介绍了获得图像几何畸变特征及其纠正方法。
- Seen from above, the fields looked like a geometrical pattern. 从上面往下看,那些农田像是几何图案。
- If the raw data include the navigation information, the geometric distortions can be corrected from it, otherwise, the attitude of vehicle can be inferred from the sonar image. 鉴于波束展宽效应对远场目标造成的拖尾效应，论述了对拖尾效应使用的去卷积的改正算法。
- This paper proposed a new type of feature extraction arithmetic for texture image, based on parametrical log polar translation.This arithmetic is robust to geometric distortions. 摘要提出一种细化参数的对数极坐标变换图像纹理特征提取算法，可以有效地消除旋转、缩放和平移等几何形变的影响。
