Automatic reading of analog meter has been a research hotspot recently, but the reading error caused by imaging distortion always exists.
指针式仪表的自动读数是近年来的热门研究内容,但一直存在由成像畸变导致的误差较大的问题。
According to the imaging character of CCD, a new method to calibrate the distortion image is brought forward.
针对CCD成像时中间亮两边暗的畸变特点,用双线性插值的方法对图像进行灰度校正。
In the paper, the special CCD satellite-imaging model is established based on imaging principle of CCD push-broom satellite and the distortion law of satellite images is also discussed.
文中从CCD推杆式卫星成像机理出发建立CCD卫星成像的严密模型,并在此模型的基础上探讨卫星影像变形规律。
The LED light source and lenses with little distortion are selected as light sources and lens of imaging for inspection system, which provide high quality images during precise inspection.
在本系统中,选用LED光源和畸变小的镜头作为视觉检测系统的照明光源和成像镜头,为精密测量提供了高质量的图像。
For big aperture's precision photolithographic plate-making lenses, the stress distortion and centering errors of lenses can make a bad effect on imaging quality.
对于大口径精密投影光刻制版镜头来说,透镜的应力变形和中心误差对整个系统的成像质量有较大影响。
An imaging system of pattern generator was designed to correct linear distortion of scanning field of ane-beam lithography system, which was composed of both hardware and software.
为实现电子束曝光机扫描场的线性畸变校正,设计了图形发生器的成像系统,该系统包括硬件和软件两部分。
According to image of linear edges in calibration object, the distortion coefficient and position of principal point of imaging system can be calculated by optimization method.
利用标定物直线边缘的图像,并运用优化的方法来计算成像系统的畸变系数和主点位置。
Because of the existence of bad pixels in the detector of Fourier transform imaging spectrometer (IFTS), distortion in the recovering spectra was emerged.
由于傅里叶变换成像光谱仪探测器中坏像元的存在,使得复原光谱产生失真。
Based on the analysis of nonlinear distortion of optically imaging system, a simple and effective digital method for correcting nonlinear distortion is proposed.
该文通过对光学成像系统中非线性畸变的分析,提出了一个数字校正方法。
When modeling, it is proposed that local camera is ideal linear, used pinhole imaging theory to model, don't consider its distortion.
在建模时,认为前景摄像头是理想的线性镜头,不考虑其畸变,运用针孔成像原理进行建模。
Ultraviolet single photon imaging system with wedge and strip anode is introduced and the influence factor leading to image distortion is analyzed.
本文介绍了基于楔条型阳极的紫外单光子成像系统,分析了引起图像畸变的原因。
Distortion compensation of high resolution range (HRR) profiles plays an important role in ISAR imaging of space target with high speed.
高分辨距离像的畸变补偿是空间目标ISAR成像过程中的重要环节。
This detector is a kind of photon counting imaging detectors, which has some properties such as high gain, small distortion and high resolution.
该探测器属于光子计数成像探测器,具有增益高、图像畸变小、分辨率高等优点。
A new dynamic distortion camouflage equipment was employed to protect the ground target such as tank from being attacked by the infrared imaging guidance missile.
利用动态变形伪装器材覆盖坦克等地面目标的表面,使目标在运动时能够随环境的变化与背景的红外特征相似或完全不同。
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。
This paper is based on ideal pin-hole imaging model and researches the distortion problem of CCD camera.
本文以理想针孔成像模型为基础,对CCD摄像机的径向畸变问题进行了系统研究。
In the machine vision application, geometrical distortion in optical lens imaging is inevitable.
在机器视觉应用中,摄像机光学系统产生的图像存在不同程度的几何畸变。
According to the graphic distortion of the laser galvanom, a kind of conic calibration model was put forward based on post-validation of geometry distortion caused by the imaging system.
针对传统的畸变图像校正方法,其所建立的畸变数学模型,不仅求解畸变参数复杂、计算量大,且存在很大的数值计算误差的问题,提出了一种基于神经网络的畸变图像校正方法。
According to the graphic distortion of the laser galvanom, a kind of conic calibration model was put forward based on post-validation of geometry distortion caused by the imaging system.
针对传统的畸变图像校正方法,其所建立的畸变数学模型,不仅求解畸变参数复杂、计算量大,且存在很大的数值计算误差的问题,提出了一种基于神经网络的畸变图像校正方法。
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