Computed tomography technology was used for the log nondestructive testing,a method was adopted to detect the edge effectively in log CT image based on multifractal analysis in this paper.
使用计算机断层扫描技术进行原木无损检测,采用多重分形频谱分析方法可以对原木CT图像进行有效的边缘检测,该方法首先计算图像各像素点的H lder指数α(x,y),然后估计出其多重分形频谱f(α)的值,对图像的像素点进行分类,f(α)=1为平滑边缘点,1≤f(α)<1。
It was scanned by a multislice computerized tomography (CT) scanner with high-lighted landmarks.
目的:本研究旨在评价自主研发的基于三维CT图像的牙种植外科导航系统的精确度。
In 2 patients, the examination of computerized tomography(CT) were negative, but the lumbar-centesis(LP) were positive.
结果表明 ,1 0例患者中 ,5例描述有爆裂样头痛 ,2例头颅CT检查阴性 ,经腰穿检查确诊。
A technology measuring two dimensional phase space beams emittance by computerized tomography is introduced in the paper.
主要介绍一种利用CT法测量相空间束流发射度的技术,通过一系列二维相空间束流图像的计算机模拟重建,根据对相关计算结果的分析,表明该技术具有很高的测量精度,可以为研究束流传输、验证束流动力学理论提供所需的可靠束流相空间参数。
Wood CT Image Registration Based on Improved Partial Volume Distribution and Genetics Algorithm
基于改进的PV插值和遗传算法的木材CT图像配准
Analysis of Damaging Crack in Industrial CT Image of Energetic Material
含能材料损伤裂纹的工业CT图像分析
The Application of Computer Numerical Technology for the Three-dimensional Image on the Surface of Wood Composites;
平面图像的数控三维成像木材（杨木）加工技术
Research of Wood Cell Image Feature Extraction and Image Databases;
木材细胞图像特征提取及图像数据库的研究
A NOVEL DAMAGE IDENTIFICATION METHOD FOR CT IMAGE OF CEMENT MORTAR
一种新的砂浆材料CT图像损伤识别方法
The Digital Image Processing Using on Wood Defects Testing;
图像处理技术在木材检测方面的应用
Studies on Wood Identification Technology Based on Microscopical Structure Image;
基于显微构造图像木材识别技术研究
Cell image of wood classification and identification algorithm
新的木材显微细胞图像分类识别方法
Research of Image Process in Log Volume Measurement;
图像处理在木材材积计算中的应用研究
Quantitation of Wood Texture by Digital Image Processing;
基于数字图像处理学的木材纹理定量化研究
A Digital Image Processing System Based on Wood Tissue;
基于木材组织构造的数字图像处理系统研究
Analysis and Processing of Wood X-ray Image Based on Fuzzy Theory
基于模糊理论的木材X射线图像分析与处理
Analysis and Processing of Decayed Wood Image Based on Mathematical Morphology
基于形态学的木材腐朽图像分析与处理
Feature extraction algorithm of wood cell image based on fractal dimension
一种基于分形的木材细胞图像特征提取方法
Wood Defect Image Segmentation Based on HSI Three Independent Characters
基于HSI三分量独立性木材缺陷图像分割
CT Image Segmentation Based on Analyzing CT Image and Region Growing Method
基于CT图像分析和区域生长法的CT图像分割
CT Image Segmentation Based on Analyzing CT Image and Clustering Method
基于CT图像分析和聚类法的CT图像分割
The wood surface color characters of wood images after preprocessing are abstracted with the methods of color histogram and color matrix.
对预处理后的木材图像分别用颜色直方图法、颜色矩法提取了木材表面的颜色特征。