基于多焦点透镜的成像关系和光学实时器件,提出一种紧凑的非相干光学处理系统以实现实时数学形态变换.用光学方法实现了形态学中膨胀、腐蚀、开和闭等基本运算,并用这套光学系统对具有胡椒盐(Pepper and salt)噪声的输入图像进行处理,...基于多焦点透镜的成像关系和光学实时器件,提出一种紧凑的非相干光学处理系统以实现实时数学形态变换.用光学方法实现了形态学中膨胀、腐蚀、开和闭等基本运算,并用这套光学系统对具有胡椒盐(Pepper and salt)噪声的输入图像进行处理,得到无噪声干扰的图像输出,还给出了指纹经过系统骨架化的实验结果.展开更多
Y and inverted Y-type four-level schemes for optical quantum coherence systems,which may be intuitivelyconsidered to be very simple,have not been studied intensively till now.In this paper,we present the multiformity ...Y and inverted Y-type four-level schemes for optical quantum coherence systems,which may be intuitivelyconsidered to be very simple,have not been studied intensively till now.In this paper,we present the multiformity ofthese two types of schemes by considering that they can be classified into nine possible level styles as the second-ordersub-schemes using laser fields.Further we point out the complexity of their more than one hundred realistic configurationsas the third-order four-level sub-schemes that may appear in the optical quantum coherence experiments.Throughoutthis paper we review which configurations have been studied in some research aspects and which ones not,accordingto our knowledge,in order to be propitious to next steps of theoretical and experimental investigations,especially forapplications in the fields of quantum optics,quantum information science,laser spectroscopy,and so on.展开更多
文摘基于多焦点透镜的成像关系和光学实时器件,提出一种紧凑的非相干光学处理系统以实现实时数学形态变换.用光学方法实现了形态学中膨胀、腐蚀、开和闭等基本运算,并用这套光学系统对具有胡椒盐(Pepper and salt)噪声的输入图像进行处理,得到无噪声干扰的图像输出,还给出了指纹经过系统骨架化的实验结果.
基金Supported by the Research Starting Funds of Tianjin Polytechnic University under Grant Nos.20080033 and 20070010
文摘Y and inverted Y-type four-level schemes for optical quantum coherence systems,which may be intuitivelyconsidered to be very simple,have not been studied intensively till now.In this paper,we present the multiformity ofthese two types of schemes by considering that they can be classified into nine possible level styles as the second-ordersub-schemes using laser fields.Further we point out the complexity of their more than one hundred realistic configurationsas the third-order four-level sub-schemes that may appear in the optical quantum coherence experiments.Throughoutthis paper we review which configurations have been studied in some research aspects and which ones not,accordingto our knowledge,in order to be propitious to next steps of theoretical and experimental investigations,especially forapplications in the fields of quantum optics,quantum information science,laser spectroscopy,and so on.
