A gray-level image is decomposed into a 3-D image sequences by sub-sample of zigzag scan which are transformed using 3-D SWT.
首先,通过之字扫描把灰度图像分解为3维的图像序列,然后使用3-D SWT变换这些图像序列。
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。
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。
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。
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。
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。
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 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。
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。
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。
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。
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。
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。
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。
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。
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。
At last, these two images including differences and the gray-level fusion image are sent to r, g, B color channels respectively.
最后,将两幅差异图像和灰度融合图像分别送至r、G、B颜色通道进行显示。
This paper proposes an algorithm, which by reasonable using the gray-level-statistics of fingerprint images, resolves the problem of fingerprint image segmentation with low computational cost.
通过合理地运用指纹图像的灰度特性,以较低的计算代价有效地解决了指纹图像的分割问题,从而使算法的处理效果好、运行速度快。
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。
A modulating fusion algorithm based on wavelet transform is advanced. The low light level image and infrared image are fused using contrast modulating and gray level modulating method.
提出了一种基于小波变换的微光图像与红外图像的调制融合算法,用对比度调制与灰度调制方法分别对微光图像与红外图像进行了融合处理。
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。
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;
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。
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 characteristics of low light level (LLL) image were analyzed in aspects of imaging process gray level distribution and correlativity of picture element in space and time of LLL image.
从微光图像的成像过程、灰度分布和像素空间与时间相关性等几个方面对微光图像特征作较系统的分析。
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;
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;
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