Functionally , a robot vision system contains the following processes : the obtaining of digital image , the image pre - processing , character extraction and image identification 机器人视觉系统主要包括数字图像的获取、图像的预处理、特征提取和图像识别几部分。
Compare with the light and electricity identification technology of a dimension bar code , their methods are not only different but the method of the image identification has obviously definite advantage 这较之传统的一维条码光电识读技术不仅方法不同，而且明显占有一定优势。
Because of the maturation of image processing technique , computer network technique and database technique , it causes the automatic in information access , image identification and diagnosis result 由于图像处理技术、计算机网络技术、数据库技术的成熟和完善，促使了医疗行业的信息化? ?信息存储自动化、图片识别自动化、诊断结论自动化。
This paper revolves around the central task of image identification . it is mainly about collecting and preprocessing the original data of target images , methods of invariable feature extraction and the identification technology of the artificial neural network 本文围绕图像识别这一个中心课题，研究了目标图像原始数据的获取、预处理、不变性特征的提取方法以及神经网络识别技术。
Due to radiometric and geometric distortions of images from photography , even pictures of the same object are often quite different from each other , which bring a lot of trouble and inconvenience to image identification and mosaic 一般的航空照片上都具有不同程度的几何畸变和辐射畸变，严重影响了实物的本来面貌，使得同一实物在不同照片中的表示很不一致，给照片内容的判读和应用带来了很大的不便。
Firstly , the system is divided into many modules according to different point of view ; secondly , to the hardware equipment - vidicon , lenses , revolver , shield and decode device , their principle of work has been explained ; thirdly , according to image identification experience and other indexes of the system , the focus of the lenses and relative aperture are calculated , and the type of the camera is confirmed , at the same time , the energy of infrared lamp is also computed in the thesis ; at the same time , synthesis control box is devised 首先,按照角度的不同,将系统划分成许多模块。其次,对硬件设备? ?摄像机,镜头,云台,防护罩,解码器等的工作原理进行了阐述,再次,以人的成像辨认的经验判据为依据,结合系统的其它指标,设计计算出镜头的焦距f 、相对孔径d ,同时确定摄像机的型号,并计算出红外灯光源。最后,对综合控制箱进行设计,指出了设计的意义,实现的功能,并附上了综合控制箱的外形图。
In the phase of image pretreatment , the main jobs of this system includes dot operation , image swell , positive chiasma transform , edge extraction and edge swell , outline track , etc . because the visual system itself is a neural system , systematizer designed in the paper adopts bp neural network to accomplish computer image identification , the system has some advantages over the traditional one , but with the extensive application of bp neural network , the problems existing in bp neural network come forth increasingly 在系统软件设计部分中，首先是对所选零件进行模式识别，包括图像预处理、特征提取和分类器设计三个阶段，其中在图像预处理阶段本系统主要做的工作有：点运算、图像增强、正交变换、边缘提取和边缘增强、轮廓跟踪等。由于视觉系统本身就是一个神经系统，故本文所设计的分类器采用bp神经网络，其具有一些传统技术所没有的优点。
The high precision flight attitude of spacecraft has been mainly received through star sensor . the priciple is that at first the star acts as reference and the stars image has been captured by star sensor , then stars image identification and attitude estimation have been done , at last the flight attitude of spacecraft has been received 航天器的高精度姿态确定主要是通过星敏感器来完成的，首先是以恒星为参照物，利用星敏感器得到星图，然后进行星图图像处理、星图识别和姿态估算等一系列计算，达到确定出航天器的飞行姿态的目的，而星图处理是星敏感器处理的基础。
With the rapid development of modern computer science and information technology , and with the marvelous renovation of image identification , mtt comes out into the open and is of great practical value in the field of military defence , medical research , traffic monitoring , astronomical prediction , intelligent supervision etc . particle filter , as a nonlinear filtering based on bayesian estimate , has an advantage in the field of nonlinear moving target tracking 随着现代计算机和信息技术的飞速发展及图形识别算法的革命性改进,多目标的实时追踪技术脱颖而出,在军事国防、交通监视、天文预测、智能监控等领域有着非常重要的实用价值。粒子滤波作为一种基于贝叶斯估计的非线性滤波算法,在处理非线性运动目标跟踪问题方面有独到的优势。
The paper contraposes some problems such as the widening line , the narrowing line , the unequal color , the parting line , redundant printing ink and various cases of noises in the bar code image input etc , on which the algorithms of the bar code digital image processing and the algorithms of the bar code image identification are put forward . accordingly the method of correcting errors which bases on the bar code image identification is established 分析了瓦楞纸箱条码印刷中存在的问题，针对条码线条展宽、细化、着色不均、断条、冗余墨渍以及条码采集中可能出现的噪声等问题，文中提出相应的数字图像处理算法和条码图像识读方法，并进一步提出一种基于图像辨识技术的条码识读纠错方案。
