查询词典 document image processing

According to the basic principles of information theory, computer graph processing and the chromatics, this thesis mainly researches on the theory and applications of the color images watermark using the characteristics of the human visual system. And then it discusses the preprocessing method such as Image color inversing and image disordering, especially the method of watermark embedding, watermark extracting and watermark attacking etc. At last, an experimental system about watermark embedding and extracting are accomplished.

本文首先根据信息论、计算机图形处理和色彩学中的基本原理，结合人眼的视觉系统特性，对彩色图像水印的理论与应用进行了研究，然后讨论了如何对水印图像进行反色和置乱预处理，尤其是对水印嵌入过程、水印提取过程和水印攻击方法等进行了深入探讨，并最终设计实现了一套完整的具有水印嵌入与提取功能的实验软件。

The method of quantitative calculating of knife edge testing for astronomical mirror polishing is discussed including shadow image CCD real time collecting, image processing and the method of quantitative calculating of clitellum error.

主要介绍天文镜面加工中的刀口定量检验技术，包括阴影图像CCD实时采集、图像处理、定量计算。

Colorization of grayscale image is in general an active and challenging area of research in image processing.

黑白图像的彩色化是图像处理领域一个活跃的、有挑战性的研究课题。

Colorization of gray-scale image is in general an active and challenging area of research in image processing.

摘要黑白图像的彩色化是图像处理领域一个活跃的、有挑战性的研究课题。

Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.

Data Matrix是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。

Keywords: image feature detection, phase information, image processing, phase congruency, symmetry phase congruency

从利用图像信息的角度，系统分析了图像特征检测问题的研究文献，将图像特征检测方法分为两大类，即基于梯度信息的方法和基于相位信息的方法。

Connected component detection is an elementary and time-consuming operation in digital image processing. It is widely applied in pattern recognition, characteristic extraction, image understanding and so on.

连通检测是计算机数字图象处理中一个重要的基本操作，它在模式识别、图象理解、图象特征提取等方面有着广泛的用途。

It has become conceivable that measuring images of facial contouring patients with computer, as the result of the progress of computer technique, especially that of image processing and image measurement.

计算机技术，特别是计算机图像处理和图像测量技术的进步，使得通过计算机来对面部轮廓整形美容外科患者的图像资料进行测量和分析成为可能。

The problem of contour segment of 2-dimensional image could not be gotten very well with wavelet transform in image processing is analyzed in this paper.

首先分析了小波变换在进行图像处理时不能有效表示直线/曲线的奇异性问题，然后研究了能够很好表示二维或更高维奇异性的Contourlet变换的基本原理。

For example, copies a rectangular portion size is 6 inches x 9-inch image design in a picture format, 8.5 inches x 11 inches in the middle of the 印张, when it will be necessary to cut on the four sides are 印张 will be trimmed; but if the image placed in an angle (for example, on the upper-left corner), you just need to cut both ways, thereby saving a membership card after processing time and reduces business card printing and membership card production costs.

例如，将一幅尺寸为6英寸×9英寸的图像设计在一张幅面为8.5英寸×11英寸的印张中间，裁切时就需要对印张的四边都进行裁切；但如果将图像放置在某个角上，就只需要裁切两边即可，从而节约了会员卡制作后加工时间，也降低了制卡和会员卡制作成本。

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。