灰度信息

This system enables realize the display of 2D/3D image; it allows users to tactually recognize graphical information situated in the real world.

结果表明该系统可以实现2D、3D灰度图像的再现，使用者可以真实地识别图文图像信息。

During the pretreatment process for changing true color image of TCZ to gray image,the adaptive calculation for trichroism coefficients is realized by using the statistics as a foundation and focusing on concrete true color image.

在接触斑点真彩色图像的256色灰度化预处理过程中，根据数理统计思想，针对具体真彩色图像，实现了三原色系数的自适应计算，所获得的预处理效果为后续的图像分割提供了完整的图像信息。

Experimental results illustrate that the combination of LBP and Fisher discrimiant analysis is better than other methods. The performance after fusing facial depth image and grayscale images is better than that of unimodal ones.

实验结果表明LBP和Fisher判别分析方法的结合要优于其它方法，在其融合人脸深度图像和灰度图像后，性能较单一信息有进一步的提升。

Color image than the gray image with more visual information, which are more and more attention.

彩色图像比灰度图像具有更多的视觉信息，因而受到了越来越多的重视。

Grayscale and desaturate are fast and easy because they basically remove the color information from the image.

灰度和降饱和度快速而且容易，因为它们基本上就是去除图片的颜色信息。

The algorithm smooths the gray histogram of the test image with Harr wavelet to remove the "pseudo valley", and fixes a range of the threshold according to the prior information in the standard image, and then finds out the valley of the histogram in the range and that is the threshold. The ex perimental results show that the preprocess algorithm is able to obtain a satisfactory threshold for the binarization of the test image.

该方法使用Harr小波对待测图像的灰度直方图进行平滑处理来消除其中的&伪谷值点&，再充分利用标准图像的先验信息来确定一个二值化分割阈值的大致范围，最后在这个范围内找到直方图的谷值，这即是所需的阈值。

A novel method was presented to separate defective information from steel sheet surface images by anatomizing the grey values of steel sheet surface images, which uses a classifier composed of some simple perceptrons.

通过对钢板表面信息灰度值的详细分析，提出了一种利用简单感知器组成的分类器识别钢板表面缺陷的新方法。

Then two steganographic schemes with the ability of information authentication are designed by combining with Hash function and digital signature algorithm. Finally, the authentication security of the two schemes under active attacking istheoretical ratiocinated.(5) A public key steganographic system using gray image as the cover-object is developed.

设计了一种以灰度图像为隐秘载体的公钥隐秘通信方案，在嵌入相当大的数据量时，信息隐藏过程仍然较好地保持了原始图像的质量和统计特性，从理论和实验两方面对方案的安全性进行了分析。

Firstly, the algorithm decomposes the original images with wavelet analysis and obtains the positions of wavelet coefficients that belong to the edges. Then, the algorithm interpolates intensities and positions of those wavelet coefficients between corresponding wavelet sub-images. So that the new image basically satisfies the requirements of medical image interpolation.

通过对原图进行小波变换，获得图像边缘对应小波系数的位置信息，在断层图像的相应小波系数之间进行强度和位置插值，使新的图像不仅在灰度上，而且在组织形状上，介于原来的断层图像之间，满足了医学图像插值的要求。

The work including:(1) This paper introduces arithmetic for image pre-processing. First, because of illumination, the image intensity is not uniform. The classic binarization algorithms such as Ostu algorithm and Bersen algorithm can not extract object well, so we use S.D.

本文的主要工作包括：(1)从图像预处理入手，首先针对光照造成的图像灰度不均匀，经典的阈值分割方法如Ostu、Bernsen算法不能很好提取目标的问题，采用了利用梯度点信息插值的S.D。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。