A method of embedding a color digital watermark into a gray level image is proposed.
本文提出一种将彩色数字水印嵌入到灰度级图像中的方法。
The paper proposes a novel approach to calculate geometric moment for gray level image.
本文提出了一种新的对于灰度图像的几何矩的快速算法。
In this paper a novel method is presented to segment gray level image through maximizing the fuzzy partition entropy of two-dimensional histogram.
该文提出了一种通过最大化二维直方图模糊划分熵分割灰度图像的新算法。
The use of moments for image analysis is straightforward if we consider a binary or gray level image segment as a two-dimensional density distribution function.
若把二值图或灰度图看作是二维密度分布函数，就可把矩技术应用于图像分析中。
This paper presents an algorithm which directly computes the direction image on the gray level images. Experimental results show that it is feasible for fingerprint processing.
该文介绍了一种直接利用指纹灰度信息进行指纹图像方向图计算的方法，实验结果表明，它是行之有效的。
The frequency domain algorithm adopts the common and information - rich gray level image as a watermark, which achieves the collaborative advantages of combining the DWT and DCT.
该频域算法采用更常见的含信息量丰富的灰度图像作为水印，结合离散小波变换和离散余弦变换的共同优点。
Because fractal dimension can not respond to the orientation of the gray level images, an image orientation Angle estimating method is proposed by basic knowledge of vector algebra.
由于分数维不能反应灰度图像的方向性，本文利用矢量代数的基本知识，提出了一种灰度图像方向角的提取方法。
We provide the algorithm of line segmentation under gray level image and character segmentation based on the biggest width backtracking algorithm to get the accurate position of characters.
文中提出了灰度图像下的行分割方法和基于最大宽度回溯算法的单字分割算法，从而实现了字符的精确定位。
The original gray level image was changed into the macroscopical drawing information by pre-processing, threshold selection, image bivalency, edge detection and contour extraction and segmentation.
对原始数字图像实施预处理、二值化、轮廓提取及细化等处理后，将图像信息转变成宏观图形信息。
A gray level image with rich details is used as a watermark and embedded in vector transform domain, more than scalar transform domain used traditionally such as discrete cosine transform domain, etc.
本文提出了一种新的数字静止图像的水印嵌入算法，该算法将含有丰富细节信息的灰度级图像作为水印，水印嵌入过程不是在传统的标量变换域(如离散余弦变换域等)内进行，而是在矢量变换域实现。
Starting from the definition for a set of ordered elements, the area histogram has been extended to analysis gray -level image through the notions of image thresholding decomposition and level sets.
从为有序元素集定义面积直方图出发，通过图像的阀值分解及层集等概念，面积直方图被扩展到了灰度图像。
The gray-level image of solid woven fabrics is captured by a color scanner and converted into digital files, then enhanced images are obtained by a gray-level morphological operation.
用彩色扫描仪输入紧密织物组织的灰度图像并将其转换为数字文件，然后通过灰度图像形态学处理获得增强图像。
This paper attempt to summarize corner detection method in gray-level image, binary image and curve of edge, also to compare with many property of corner detection algorithm.
对灰度图像、二值图像、边缘轮廓曲线的角点检测算法进行综述，分析了相关的算法，并对各种检测算法给出了评价。
Third, the gray-level histogram of image is equalized in order to reduce the influence of uneven light to the gray-level image.
第三步，为了减轻光线不均匀对灰度图像造成的影响，对产品图像进行灰度直方图均衡；
The whole process is the morphology processing based on the gray-level image and binary mask, and is simple and easy to implement.
整个过程基本是对灰度图像和二值模板的形态处理，简单易行。
The speed function defined in Level set method can be divided into two classes: function based on the gradient of image and function based on the image gray.
水平集方法的速度函数定义根据所利用的图像信息可以分为两大类：基于图像梯度和基于图像灰度信息。
First, applying color feature increased the. Contrast between green plants and soil, separated the plants from complex background and changed real color image to gray-level image.
首先是利用图像的颜色特征增加绿色植物与土壤的对比度，把植物从复杂背景环境下分离出来，转换真彩色图像为灰度图像。
Thus, we propose that the blend of a full-color image can be viewed as superposition of two complementary gray - level transformation images.
这样，可将图像的合成看作两幅图像互补的灰度变换的叠加。
Richness of gray level of highly correlative image was expressed using information capacity, which agrees greatly with the effect of vision evaluation.
用信息容量这一示性参数来表征高相关图像灰度层次的丰富程度，这与视觉效果达到了很好的一致。
The attenuation of X-ray through the object is non-linear and the gray level of image is non-linear response of object thickness.
射线穿过物体的衰减是非线性的，经过影像系统得到的图像灰度与物体厚度是非线性的关系；
Treat with plate grain image got by video using methods of gray level transformation, median filter, erosion, expansion and so on, gain the image which only includes grain, then detect brim of grain.
对视频采集到的板材纹理图像进行灰度化、中值滤波去噪、二值化、腐蚀、膨胀等处理，得到仅包含目标纹理的图像后检测纹理边缘。
For low gray image, the float gray level codes are combined to the binary coded gray levels by the error diffusion method.
然后利用误差扩散方法将浮动灰度编码所包含的低灰度级图像信息融合到用于显示的子场编码中。
Based on maximum between-cluster variance method and uniformity measure, this paper USES maximum entropy principle to select the gray-level threshold value for image segmentation.
在最大类间方差法和一致性准则法的基础上，运用最大熵原理来选择灰度阈值对图像进行分割。
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including gray level correction, gray level transformation and histogram correction.
介绍了超声医学图像灰度校正常用方法的基本原理，这些方法主要有灰度级校正、灰度变换及直方图修正。
To solve the problem of the poor gray level of SMPDP, the multi-frame combination and error diffusion methods are used. The image quality is improved greatly.
采用多帧图像的叠加显示和误差扩散方法，很好地解决图像灰度级不足的问题，从而提高荫罩式等离子体显示器的图像质量。
Image distortion correction includes spatial correction and gray-level correction.
图像畸变校正包括空间位置校正和灰度校正。
Therefore, when applying a thresholding algorithm to an image, we generally assume that the background and target in that image occupy different gray level zone.
传统的阈值化算法仅仅使用像素点的灰度级信息，因而要求图像中的目标和背景在灰度级上是可分的。
The feature vector is composed of wavelet texture energy features, texture features based on the gray-level co-occurrence matrix and the tone of filtered SAR image by using tree wavelet.
该方法将树型小波中颇纹理能量特征、灰度共生矩阵特征、树型小波滤波后的灰度组成的特征矢量对SAR图像进行分类。
This algorithm solves the problem of fingerprint image segmentation with low computational cost based on reasonable application of the gray-level-statistics of fingerprint images.
算法中通过合理的运用图像灰度特性，以较低的计算代价有效地解决了指纹图像分割问题。
This algorithm solves the problem of fingerprint image segmentation with low computational cost based on reasonable application of the gray-level-statistics of fingerprint images.
算法中通过合理的运用图像灰度特性，以较低的计算代价有效地解决了指纹图像分割问题。
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