查询词典 document image processing

In this way,at the beginning,pretreating the image of pointsman's gesture from the colour vidicon which includes the colour image smoothing and intensifying.Then using the way of edge checking and image segmentation to divide the target image,due to the image is interfered badly by noise,Sobel operator is used.

该方法首先对彩色摄影机采集的交警手势图像进行预处理，包括彩色图像平滑、彩色图像增强；其次利用边缘检测和图像分割方法对目标图像进行分割，由于图像受噪声干扰严重，采用Sobel算子消除噪声；再次将分割得到的目标轮廓进行表示与描述，为图像的识别作好准备；最后结合图像的轮廓特征对图像进行识别，采用了模糊模式识别方法。

The overall development of tourism diplomacy has brought about benefits and merits in many fields: first is contributing the nation's economy with bordering area getting more prosperous, and with the ability of foreign investment introduction improved, etc., second is showing the naiton's good image including powerful image, civilized image, friendship image and security image, etc., third is improving the outside environment of the nation, such as attracting the worldwide attention, raising up the international position of its people, upgrading the financial services internationally, and making practical Chinese language much more international, etc., fourth is transmitting national culture into the world, for example, doing more promotional activities and strengthening protectional measures on it, etc., fifth is solidifying the sino-foreign civilian friendships, including better mutual understandings between various peoples and cultural exchanges between different regions and countries.

旅游外交的全面发展为国家带来诸多方面的利益和优势：一是壮大国家的经济实力，比如说：繁荣边疆地区经济、提升对外引资能力等；二是展示国家美好形象，包括实力形象、文明形象、友好形象、安全形象等；三是改善国家外部环境，具体体现为：引起广泛的国际关注、提高国人的国际地位、提升金融服务的国际水平、促进实用汉语的国家化等；四是传播民族文化，例如：扩大民族文化的对外宣传、加强民族文化的合理利用与保护等；五是加强中外民间友好，比如说：增进不同民族和人民之间的相互了解，扩大不同国家和地域之间的文化交流等。

Experiments show that rhomb partitioning is more powerful in suppressing block artifacts than square partitioning, results in much higher reconstructed image quality, but takes longer encoding time; 2 For solving exhausting encoding problem of fractal image coding, we present a fast rhomb-partitioning fractal image coding based on neighbor-searching; we present a fast rhomb-partitioning fractal image coding based on block classification; we present a fast square-partitioning fractal image coding based on neighbor-searching, block classification and wavelet transform.

2针对分形图象压缩编码过程非常耗时的致命弱点，提出了基于邻域搜索的菱形块分割的快速分形图象压缩编码方法，提出了基于块分类的菱形块分割的快速分形图象压缩编码方法，提出了基于邻域搜索·块分类和小波变换的方块分割的快速分形图象压缩编码方法，实验结果表明，我们提出的快速分形图象压缩编码与传统的分形图象压缩编码相比，编码速度提高了近40倍。

In the process ofnavigation of INS/Scene Matching the aerocraft will save the land information of undersurface offly orbit in the memorizer which has been scouted in advance. While the aerocraft fly thescheduled position the sensor schlep will take the real time image like as RAR image. After thenthe real time image will match the reference image which has been stored beforehand and hasgeographic relation with real time image. Thus the position or horizontal and longitudinal distanceerror of the aerocraft can been fixed on. After that the navigation and control and guidance iscomplete.

在INS／景象匹配组合导航系统的导航过程中，飞行器首先将预定飞行轨道下面事先侦察到的一系列地面图像信息存到飞行器的存储器中，然后，当携带相应传感器的飞行器飞行到预定的位置时，便获取实时图，然后将实时图和预存的已知地理信息关系的基准图进行匹配比较，这样就可以确定出飞行器的当前位置或者偏离预定位置的纵向和横向偏差，从而完成导航和制导功能。

The digital speciemen image of adult Helicoverpa armigera Hubner was acquired using a digital camera in an image acquisition environment.Several methods of image enhancement were covered, including linear smoothing, median filtering, linear greylevel transformation, contrast stretching, image inversing and histogram equalization. Results demonstrated that these methods evidently enhanced the speciemen image of H.

digital image ；本研究以棉铃虫成虫标本作为数字图像源，设计了图像获取环境，以数码相机做为数字图像获取设备获得了棉铃虫成虫的数字图像，介绍了昆虫数字图像增强的方法，包括图像的线性平滑、中值滤波平滑、线性灰度变换、对比度拉伸、图像求反以及直方图均衡化等增强方法，证明这些方法对棉铃虫图像具有明显的增强作用。

Image compression is the image data according to certain rules, transformation and combination of the amount of data to use as little as possible to represent the image, the image that is the right image data "downsizing."

影像压缩是对影像数据按照一定的规则进行变换和组合，用尽可能少的数据量来表示影像，形象地说，就是对影像数据"瘦身"。

An image fusion scheme based on the wavelet transform and an image compression algorithm based on zero-tree coding are proposed, aiming at the demand of the Intelligent Transportation System. The algorithm is used to fuse visible image and infrared image with wavelet transform and then to compress the fused image by fully employing the importance degree of the subband coefficients and visual characteristic of mankind. So it enhances the integrality and oneness of the traffic information availably and also improves the quality of the system greatly.

针对智能交通系统信息采集的需要，提出基于小波分析的图像融合和零树编码的小波图像压缩算法，利用小波变换将红外和可见光图像进行融合，利用各子带小波系数对图像恢复的重要程度和人眼的视觉特性对融合图像进行压缩，算法的实际应用提高了所采集的交通信息的完整性、统一性和容错性，并改善了智能交通系统的服务质量。

The frequency range and distortion model affected by Faraday rotation were analyzed. A kind of calibration algorithm was introduced, in which trihedral corner reflectors were used to calibrate POLSAR image subject to channel imbalance, Faraday rotation and RCS distortion. [2]Three kinds of target decomposition theorems used to extract polarimetric features of SAR image were studied in detail. A kind of POLSAR MLC image data decomposition method based on classical coherent decomposition theorem of POLSAR SLC image was introduced, which was used to extract polarimetric features of POLSAR MLC image.

当工作频率小于1GHz时，法拉第旋转是影响低频星载极化SAR图像定标的一个重要因素，论文分析了受法拉第旋转影响的波段范围和误差模型，提出了一种校正通道不平衡度、法拉第旋转和绝对幅度增益的极化定标算法，仅使用一种点目标——三角反射器作为定标体，应用于受法拉第旋转影响的极化SAR图像定标； [2]深入研究了三类用于SAR图像极化特征提取的目标分解理论。

However, the image-retrieving environment is so complicated, such like from a nature object to a variety of objects, from a light environment to a dark environment, or from a nature light to a daylight in office, the properties of objects, and the varieties of light sources and light intensities. These complex external image-retrieving environments let users can not get an accordant image quality. Such under a tungsten lamp, the image appears yellowish and reddish; under daylight in office, the image becomes greenish and bluish.

CCD Camera面对的是复杂的取像环境，从自然景物到各式各样的景物，从光亮环境到灰暗环境，或从自然光到办公室日光灯、景物的特性、光源的种类及光线的强弱，这些外在复杂的取像条件及变因往往让使用者无法得到相当一致的影像品质，如在钨丝灯下拍摄的影像，将产生偏黄、偏红效果的影像；在办公室的日光灯下将产生偏绿、偏蓝效果的影像。

In the studying of image segmentation, six crucial technologies havebeen developed successfully. 1 In one dimension histogram of original DRimage of luggage, there remain maximum-value wave crest havingapproximately stationary position, and the first minimum to the left of thewave crest performs excellently to be used to get rid of background of DRimage. 2 Open operation, one type of math morphology, is the right idea toerase luggage disturbance in DR image and at the same time, can be retaininteresting region appropriately. 3 After open operation, there are only a few minimums on image histogram, one of which can be to segment image furtherand achieves satisfying result. 4 Method of histogram analyzing and that oferosion performs well in the re-segmentation of conglutinative region in DRimage. 5 Method of image distance switch can ensure Luggage CT sectionautomatically obtained to have rich suspicious region information. 6 Todecompose structure element of math morphology is a way to save a great dealrunning time for automatically discerning interesting regions algorithm,apparently improving implementation efficiency.

在对图像可疑区域分割研究中，主要开发成功以下几项关键技术：1发现原始箱包DR图像的一维直方图中，均具有位置相对稳定的最大值波峰，以波峰左边第一个极小值为分割阈值，去除DR图像背景，效果非常好。2运用数学形态学中的开运算能够非常有效地去除箱子的干扰，同时能够比较好地保留可疑区域。3发现开运算后的DR图像直方图只有若干个极小值点的特点，其中用最大值波峰左边的第二个极小值点进一步分割DR图像，能够更有效地提取箱包中的可疑区域。4运用直方图分析法和腐蚀法，对粘连区域实行再分割，效果较好。5运用距离变换法，能确保自动设定的箱包CT截面包含丰富的可疑区域信息。6运用形态学结构元素分解技术，大幅度减少可疑区域的自动判别算法运行时间，提高算法软件执行效率。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。