提出了一种估计分形维数的新方法,并利用该方法估计自然纹理图像的分形维数。
A novel method for estimating the fractal dimension has been proposed and the method has been applied to estimate the fractal dimension in natural texture images.
在图像分形信息的提取方面,本文提取了灰度图像的分形维数及自然景物图像的IFS参数。
In this paper, the fractal dimension of gray images and the IFS parameters of natural scene graphics are extracted.
木材纹理图像的分形维数可以代表木材很多的纹理特征,它是木材树种的一项重要数字特征参数。
Fractal dimension of wood texture image can represent a lot of texture features, and it is an important characteristic parameter of timber species.
结果显示差分计盒方法可以将路面图像转换成另一种图像,该图像的分形维数可以把简单的阈值应用到路面裂缝的分割。
It is shown that the improved DBC approach can convert pavement image to one whose fractal dimension permits simple thresholding for segmentation of pavement cracks.
首先通过计算原始图像和特征灰度图像的分形维数实现第一次的粗分类提取,然后采用多重分形奇异谱方法进一步完成了细分。
At first, the fractal dimension is extracted from the original image and special gray image for the rough classification, and then the multi-fractal dimension is used for further classification.
分形维数是描述图像粗糙程度的主要参数。
Fractal dimension is an important parameter to characterize roughness in an image.
目的:探索肺癌图像的纹理分形维数特征。
Objective: To probe the fractional dimension feature of lung cancers texture.
介绍了一种利用自相关函数来估算图像分形维数的方法,并将其应用到木材的纹理分类检测中。
This paper introduced a method availing autocorrelation functions to estimate the image fractal dimension, and the method can detect classification of the wood texture.
从实验结果看,分形维数可以很好地作为图像分类与分析的参数。
The result of the experiment showed fractal dimension can be a good parameter in image classified and analysis.
将SAR图像的特点与分形理论相结合,提出了一种新的基于区域自选的多尺度分形维数边缘检测方法。
With the combination of SAR image features and fractal theory, a new method of edge detection by calculating the fractal dimension multiscalely is proposed.
采用计盒维数方法对霜层生长图像分析表明,充分生长的霜层在一定尺度范围内具有分形特征。
The Analyses on frost image by box-counting method express that full growth frost was a fractal structure ranging in some scale.
分析了图像色彩模式与分形特性之间的关系,提出了根据像素的颜色强度来计算不同色彩模式下图像分形维数的方法。
The fractal characteristic and color mode of images were analyzed in the paper, accordingly color strength is suggested to be used to calculate fractal dimension of images for different color mode.
应用盒子维法对改造后的灰度图像提取分形维数,计算结果表明该方法非常有效的表征了工件表面质量状况。
And gets the fractal dimension from the processed gray image by using method of box dimension, the calculation result indicates that it effectively represents the quality of the workpiece surface.
为了给出图像类推算法的适用范围,提出了一种新的基于分形维数向量的图像的相似性度度量算子。
To give applicable range of image analogies algorithm, based on the fractal dimension vector, a new operator used to measure the image similarity is proposed.
基于分形理论和计算机图像处理技术,编制计算材料断口形貌计盒分形维数的MATLAB程序。
Based on the fractal theory and computer images analysis technique, a MATLAB program which computes box fractal dimension of material fracture was designed.
分析了当前计算图像分形维数的算法普遍存在对高维数图像计算误差较大且计算量大的缺点。
The general fractal dimension algorithms of image have the disadvantage of the precision and the speed especially when applied to the high dimension images for the moment.
本文将分形布朗模型和分形维数引入火焰图像分析中,可以预报早期火灾,减少火灾的损失。
This paper introduces fractal brown model and fractal dimension into the texture analysis of flame images, which can forecast early fire and reduce the losses of property when fire happened.
炸药样品在落锤撞击下,其分幅图像具有分形结构,同时,它的分形维数与炸药感度有关。
The frame photograph of explosive samples under drop hammer test have a furcate structure, in which the fractal dimension of the explosive is related to its impact sensitivity.
实验表明,将纹理图像的分形尺度与分形维数结合,既反映了物理表面分形的尺度范围又反映了该尺度范围内的纹理粗糙程度,从而更有效地描述和区分纹理特征。
Experiments indicate that the fractal scale, together with the fractal dimension can effectively reflect the fractal scale range of natural textures and the texture roughness within the scale range.
随后采用数字图像处理的方法,将原图像转换为二值图,并使用计盒维数的方法对图像进行了分形分析。
The original pictures were converted into binary images, and fractal analysis was performed with the box-counting dimension.
将图像分析法测定的分形维数与小角X-射线散射法测得的结果对照,发现两种方法测定结果虽然不同, 但在不同树脂之间的变化趋势是一致的。
The results showed that the varying tendencies of DMIA and DSAXS were the same though the values of DMIA and DSAXS were not the same.
其次,采用分形维数为指标来划分图像的相似块,能够得到具有较高相似度的块。
Secondly, the use of fractal dimension as an index to divide the image to sub-block, can receive high similarity sub-blocks.
最后,本文提出的基于并行计算分形维数的分形图像编码算法,在提高图像编码质量的同时,还提高了编码速率。
Finally, the proposed parallel computing based on fractal dimension algorithm improving the picture quality while also improving the coding rate.
最后,本文提出的基于并行计算分形维数的分形图像编码算法,在提高图像编码质量的同时,还提高了编码速率。
Finally, the proposed parallel computing based on fractal dimension algorithm improving the picture quality while also improving the coding rate.
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