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。
It is a transformation of the gray level and can change visual perception impression of the image.
超图像观察窗是图像增强处理的一种方式,即灰度变换,它能改变图像的视觉印象。
The experimental results show the centroid method has an advantage over the maximum gray level method.
实验结果表明,利用质心法测定的蛋白分子量比最大灰度法测定的更接近于标准分子量。
This is basic principle on how to display the gray level on the screen, so-called gray level display by FRC.
这是在显示屏上显示灰度的一个基本原理,即所谓的基于帧频控制的灰度显示。
Based on the fractal theory, the gray level distribution and texture of crepe fabric surface images are analysed.
根据分形理论,对绉织物表面图像的灰度分布和起绉纹理进行了分析。
DMD chip is the core device of digital mask technology, and it has such advantages as high resolve, gray level, and so on.
数字掩模技术的核心器件是数字微镜芯片,它具有较高的分辨率和灰度等级等优点。
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。
Printing effect research include three parts: printing gloss, color density and color deviation, color efficiency, gray level.
对印刷效果的研究包括三个方面:印刷光泽度、色密度和色偏、色效率、灰度。
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;
Compared with the Mean Gray Level and OTSU algorithm, the binary conversion method has advantages of processing small-area defect images.
同otsu算法和灰度平均值算法比较,该图像二值化方法在具有小区域缺陷特征图像处理方面有一定的优势。
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 experiment results show that the system can realize infrared image gray level transformation, suppress background and upgrade target in a certain extent.
实验结果表明,该系统能很好地实现红外图形灰度变换,并在一定程度上抑制了背景,提升了目标。
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。
It solves the difficulty in binarization due to gray level confusion between local background and image by automatic thresholding with local image enhancement.
通过局部图像增强的自动阈值选择等手段,解决视网膜血管图像与局部背景之间因灰度混同所造成的二值化困难;
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。
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 geometrical shape, gray level, color, and reflected spectrum especially of farm production, can be used for agricultural robots to recognize the operated objects.
几何形状、灰度级、颜色,尤其是农产品表面的反射光谱特性,可以用于农业机器人识别操作对象。
This algorithm set threshold to distinguish impulse noise point, through variance rate of gray level. The information of every impulse noise point is noted in a array.
该算法通过灰度变化率设置阈值判别脉冲噪声点,并将脉冲噪声点信息记录到与图像对应的噪声记录数组中。
It is also a practical method to detect the motion human face in digital videos combined with the motion information, gray level information and skin color information.
同时,也是一种充分利用了视频图像运动信息和人脸肤色信息进行运动人脸检测的实用方法。
It is very difficult to obtain the accurate borderline of object When distilling the borderline of object with less gray level from its intensity image with disturbance.
用强度图像提取景物边界的主要缺点是当景物间灰度差较小以及噪声存在时,很难得到精确的边界。
Aiming at the distribution characteristic of pixel gray level in tested data, this paper proposes a valid and reliable searching and tracking policy for the object contour.
针对实验数据像素灰度的分布特点,提出了一种对目标轮廓线进行有效和可靠的搜索和跟踪策略。
Methods After gray level window transforming, 15 images of normal livers and 15 images of hepatitis livers were analyzed in their texture parameters, and the results were compared.
方法对15幅正常人肝脏及15幅肝炎患者的肝脏的图像先经窗口灰阶变换后进行纹理参数分析,将其结果与单纯进行纹理分析的结果进行对比。
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。
Prior knowledge of the vehicles, such as shadows underneath the vehicles, rich edge information, contour symmetry, gray level symmetry, horizontal line symmetry and etc, is combined.
联合使用车底阴影、边缘信息、轮廓对称、灰度对称、水平线对称等车辆先验知识,提出一种基于特征的车辆检测方法。
This paper presents an algorithm of acquiring depth map using linear approximation based on gray level information. Using the algorithm, surface reconstruction can be easily realized.
该文提出了一种用线性逼近方法、基于灰度信息从图像获取物体深度信息,从而实现物体三维表面重建的算法。
This paper introduces some classical approaches and some other ways such as in direct change detection adding the gray level classification, mending the m canonical transformation method.
本文在介绍经典变化检测方法的基础上,提出了在直接检测方法中加入灰度自动分类的方法,并进一步对M典型变换做改进。
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。
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。
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