The deep_sea floor images are acquired under non_uniform illumination,the effects of which bring up many difficulties for image segmentation.The paper compares three methods of removing non_uniform illumination effect...The deep_sea floor images are acquired under non_uniform illumination,the effects of which bring up many difficulties for image segmentation.The paper compares three methods of removing non_uniform illumination effects.The effectiveness and robustness are evaluated on three test images with high_,moderate_ and low_density grains,respectively.The results show that local filtering algorithm does not remove the non_uniform illumination effects completely.The image subtracting algorithm will lose some of the dynamic range of the original data.The enhanced image stretching algorithm is the most effective one.展开更多
O436.1 2001031575莫尔条纹软件计数法=Soft-counting of Moirefringe[刊,中]/吕海宝,曹聚亮,苏绍景(国防科技大学机电工程与自动化学院机电工程所.湖南,长沙(410073))∥光学技术.-2000,26(6).-543-545针对常规莫尔条纹计数法中的缺陷,...O436.1 2001031575莫尔条纹软件计数法=Soft-counting of Moirefringe[刊,中]/吕海宝,曹聚亮,苏绍景(国防科技大学机电工程与自动化学院机电工程所.湖南,长沙(410073))∥光学技术.-2000,26(6).-543-545针对常规莫尔条纹计数法中的缺陷,设计了一种软件计数法,介绍了莫尔条纹软件计算的原理,以及基于DSP的莫尔条纹信号软件的计算的实现。图4参3(李瑞琴)展开更多
文摘The deep_sea floor images are acquired under non_uniform illumination,the effects of which bring up many difficulties for image segmentation.The paper compares three methods of removing non_uniform illumination effects.The effectiveness and robustness are evaluated on three test images with high_,moderate_ and low_density grains,respectively.The results show that local filtering algorithm does not remove the non_uniform illumination effects completely.The image subtracting algorithm will lose some of the dynamic range of the original data.The enhanced image stretching algorithm is the most effective one.
文摘O436.1 2001031575莫尔条纹软件计数法=Soft-counting of Moirefringe[刊,中]/吕海宝,曹聚亮,苏绍景(国防科技大学机电工程与自动化学院机电工程所.湖南,长沙(410073))∥光学技术.-2000,26(6).-543-545针对常规莫尔条纹计数法中的缺陷,设计了一种软件计数法,介绍了莫尔条纹软件计算的原理,以及基于DSP的莫尔条纹信号软件的计算的实现。图4参3(李瑞琴)
