图像复原是图像处理的一个重要环节,极大地影响着图像的质量。本文研究了考虑配准偏差情况下的多通道LMMSE复原方法,利用线性最小均方误差复原技术对失真图像进行复原,再基于LMMSE插值原理,即综合多通道信息推导线性最小均方误差(Linear...图像复原是图像处理的一个重要环节,极大地影响着图像的质量。本文研究了考虑配准偏差情况下的多通道LMMSE复原方法,利用线性最小均方误差复原技术对失真图像进行复原,再基于LMMSE插值原理,即综合多通道信息推导线性最小均方误差(Linear Minimum Mean Square Error,LMMSE)的复原方法。该方法较好地克服了常规复原方法的缺陷,能够根据配准误差和图像噪声自适应地调整由于配准误差所造成的图像失真的问题。展开更多
By combining the B-spline basis set with model potential (B-spline + MP),we present oscillator strengthspectra of Rydberg Li atoms in external fields.The photoabsorption spectra are analyzed.Over the narrow energyrang...By combining the B-spline basis set with model potential (B-spline + MP),we present oscillator strengthspectra of Rydberg Li atoms in external fields.The photoabsorption spectra are analyzed.Over the narrow energyranges considered in this paper,the structure of the spectra can be independent of the initial state chosen for a givenatom.Our results are in good agreement with previous high-precision experimental data and theoretical calculations,where the R-matrix approach together with multichannel quantum defect theory (R-matrix+MQDT) was used.It issuggested that the present methods can be applied to deal with the oscillator strength spectra of Rydberg atoms incrossed electric and magnetic fields.展开更多
文摘图像复原是图像处理的一个重要环节,极大地影响着图像的质量。本文研究了考虑配准偏差情况下的多通道LMMSE复原方法,利用线性最小均方误差复原技术对失真图像进行复原,再基于LMMSE插值原理,即综合多通道信息推导线性最小均方误差(Linear Minimum Mean Square Error,LMMSE)的复原方法。该方法较好地克服了常规复原方法的缺陷,能够根据配准误差和图像噪声自适应地调整由于配准误差所造成的图像失真的问题。
基金Supported by the National Natural Science Foundation of China under Grant No.10674154Doctoral Foundation of Taiyuan University of Science and Technology
文摘By combining the B-spline basis set with model potential (B-spline + MP),we present oscillator strengthspectra of Rydberg Li atoms in external fields.The photoabsorption spectra are analyzed.Over the narrow energyranges considered in this paper,the structure of the spectra can be independent of the initial state chosen for a givenatom.Our results are in good agreement with previous high-precision experimental data and theoretical calculations,where the R-matrix approach together with multichannel quantum defect theory (R-matrix+MQDT) was used.It issuggested that the present methods can be applied to deal with the oscillator strength spectra of Rydberg atoms incrossed electric and magnetic fields.
