Based on the quantum invariant theory,the quantum phases,including the total phase as well as its dynamical and geometric parts,of Pancharatnam type are derived for a general spin in a time-dependent magnetic field,wi...Based on the quantum invariant theory,the quantum phases,including the total phase as well as its dynamical and geometric parts,of Pancharatnam type are derived for a general spin in a time-dependent magnetic field,without the constraint of adiabatic,cyclic or unitary condition.The geometric meaning of geometric phase is expounded.展开更多
针对中长波红外双波段伪彩色融合图像存在较明显色偏和细节信息模糊等问题,本文了总结典型传统彩色融合算法的优缺点,提出划分差值区域进行赋色融合(Difference Regions Fuse,DRF)的思路,并在图像预处理中增加迭代归一化图像处理,结合...针对中长波红外双波段伪彩色融合图像存在较明显色偏和细节信息模糊等问题,本文了总结典型传统彩色融合算法的优缺点,提出划分差值区域进行赋色融合(Difference Regions Fuse,DRF)的思路,并在图像预处理中增加迭代归一化图像处理,结合中长波红外差异的特征引入YCbCr颜色空间,利用16 bit原始红外图像直接进行赋色融合,仿真与实验结果表明,本文提出的DRF算法融合效果显著。展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.19677101
文摘Based on the quantum invariant theory,the quantum phases,including the total phase as well as its dynamical and geometric parts,of Pancharatnam type are derived for a general spin in a time-dependent magnetic field,without the constraint of adiabatic,cyclic or unitary condition.The geometric meaning of geometric phase is expounded.
文摘针对中长波红外双波段伪彩色融合图像存在较明显色偏和细节信息模糊等问题,本文了总结典型传统彩色融合算法的优缺点,提出划分差值区域进行赋色融合(Difference Regions Fuse,DRF)的思路,并在图像预处理中增加迭代归一化图像处理,结合中长波红外差异的特征引入YCbCr颜色空间,利用16 bit原始红外图像直接进行赋色融合,仿真与实验结果表明,本文提出的DRF算法融合效果显著。