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Radon-based ULM 图像方向检测算法研究
Radon 变换 点扩展函数 最大类间差法 快速傅里叶变换
2012/9/24
通过分析以往算法的优劣,提出了基于 Radon 变换的匀速直线运动图像方向检测算法.首先指出匀速直线运动假设的合理性,推理该运动模式下图像的频谱特征;其次对经过预处理的图像应用Radon 变换,并计算出运动方向.实验结果表明:为更准确地确定运动方向而过分地缩短步长,将使运算代价变大,而效果较小.
Study on radon and radium concentrations in drinking water in west region of Iran
Radon concentration Drinking water cancer risk lung dose Stomach dose
2011/9/2
One of the most important characterizations of social health is existence the availability of safe drinking water. Since one of the sources of water contamination is nuclear contamination from radon g...
The dangers to the human health upon exposure to radon and its daughter products is the main motivation behind the vast number of studies performed to find the concentration of radon in our living env...
Analysis of Atmospheric Concentrations of Radon and Thoron Using Beta Counting Technique
radon thoron radon progeny secular equilibrium radon concentration seasonal variation
2010/4/19
This paper presents a detailed theory and experimental procedure for measurement and analysis of mixed radon and thoron in the environment. The technique has been successfully applied to the study of ...