Simulation results show the proposed scheme, with robustness enough against general signal processing, can effectively resist geometric distortion attacks.
实验表明，该方案不仅对一般信号处理具有稳健性，也能够很好地抵御随机几何失真攻击。
In the field of image processing, how to evaluate the distortion of processed images is an important problem.
在图像处理特别是在图像压缩等领域中，如何评价经过处理后的图像失真度是一个很重要的问题。
The correction of camera optics distortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
摄像机光学畸变的修正以及图像处理的亚像素定位方法，减小了目标图像的定位误差，提高了系统的测量和调整的精度。
By means of illustration, from the view of parts distortion theory analysis, distortion prevention, researches the numeric processing technic of thin-wall rectangular deep recessed parts.
通过实例从零件的变形理论分析、防变形工艺方法等角度出发研究了薄壁矩形深腔体零件的数控加工工艺。
By means of illustration, from the view of parts distortion theory analysis, distortion prevention, this paper researches the numeric processing technic of thin-wall rectangular deep recessed parts.
文中通过实例从零件的变形理论分析、防变形工艺方法等角度出发研究了薄壁矩形深腔体零件的数控加工工艺。
If dynamic reserves of low permeability gas reservoir is calculated by processing method of ordinary gas reservoir that can cause deviation of knowledge and distortion of computational solution.
如果仍然按照普通气藏的处理方法计算低渗透气藏动态储量，会导致认识上的偏差及计算结果的失真。
The error factors such as intensity distortion, noise and geometry distortion will affect matching performance, so the paper gives the opposite processing methods.
灰度失真、噪声、几何失真等误差因数会影响匹配性能，本文给出了相对应的处理方法。
Gives a method for the measurement of distortion and principal distance, as well as for data processing in cameras used in precision measurement.
介绍了一种精密测量相机畸变和主距的测量及数据处理方法。
So image processing systems must use digital imaging technic to revert the distortion image.
因此为了准确还原原始图像，需要利用数字图像处理技术对畸变图像进行校正。
With fast development of the digital image processing technology, it is prevalent for distortion correction with digital image correction methods.
随着数字图像处理技术的飞速发展，采用数字图像校正技术进行畸变校正已逐渐盛行。
Presser sending adopts pressing shoes with press roller structure, suitable for processing great area distortion board.
压料输送采用压靴带压辊结构，较大面积变形的板材亦可加工；
In addition to using the aberration correction theory, optical distortion can be corrected with the digital image processing technology.
光学系统的畸变除了利用像差理论来实现校正外，还可以利用数字图像处理技术来进行校正。
The paper discusses digital signal distortion meter with the technology and method of digital signal processing.
本课题研究的数字化失真度仪采用了数字信号处理的技术和方法。
The typical methods such as mean processing algorithm and filtering algorithm can't effectively process the larger defects of infrared images, whereas bring about image distortion.
常用的平均值处理算法或者滤波算法，不但不能有效地处理较大的疵点，反而造成图像失真。
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.
在多媒体信号处理中，由于量化误差是输入信号的函数，使得语音信号产生信号失真和噪声调制。
Geometric correction, is to remove the geometric distortion of remote sensing images, is an important pre-processing in the application of remote sensing image.
几何校正，就是清除遥感图像中的几何变形，是遥感影像应用的一项重要的前期处理工作。
This technology provides power efficient signal processing techniques for reducing signal distortion and for improving the power performance of a communication system without increasing size and cost.
节能信号处理技术，降低信号失真率，并在无需增加规模和成本的情况下提高通信系统中的电力性能。
In image pre-processing, it introduces two steps of image pre-processing that is image distortion rectification and image noise restraint.
在图像预处理中，介绍了图像预处理中的两个步骤，即图像的几何校正和噪声点的抑制。
Among the processing the long wavelength statics can easily cause distortion of structural forms while the short wavelength statics will affect signal-noise ratio of seismic sections.
长波长静校正容易引起构造形态畸变，短波长静校正影响地震剖面信噪比。
A special configuration reducing stress distortion and a method for integral coupling of multi-lenses connecting in the processing of optical assembly and rectification are given in detail.
详细介绍了一种减小应力变形的特殊结构和在一种光学装校过程中多镜组整体对接的方法，给出了对接前后的偏心测量数据以及镜头实际曝光的图形。
A novel method of data processing between the finite element deformation results and the surface distortion of optical element was presented and compared with the traditional method.
提出了一种新的有限元变形结果与光学元件面形畸变之间的数据处理方式，并与传统方式进行了对比。
Experimental results show that the proposed scheme is not only invisible and robust against common signals processing, but also robust against the geometric distortion.
仿真实验结果表明，该图像水印方案不仅具有良好的透明性，而且具有较强的抵抗常规信号处理及几何攻击的能力。
In this paper, the mechanism of the ionosphere contamination from the ionosphere distortion is exposed for the first time by analyzing the process of HF radar signal processing.
该文通过对高频雷达信号处理过程的分析，阐明了电离层扰动对回 波信号污染的机理。
But the great distortion makes the post-processing complex, which limits the algorithm applications of classical perspective camera.
但是严重失真的图像也使得后期的处理复杂化，不便于经典的透视相机算法的应用。
After the pre-processing, the effects of noises and distortion in the special image have been basically eliminated, then the radial information of the tube can be derived.
经过预处理之后的图像，已基本消除了噪声、畸变等的影响，为从中获取变锥度管的相关参数信息创造了条件。
After the pre-processing, the effects of noises and distortion in the special image have been basically eliminated, then the radial information of the tube can be derived.
经过预处理之后的图像，已基本消除了噪声、畸变等的影响，为从中获取变锥度管的相关参数信息创造了条件。
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