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[期刊论文] 作者:王云新,刘铁根,江俊峰,, 来源:光电工程 年份:2008
提出了一种基于图像抽样的快速虹膜定位算法。首先在抽样图像中搜索瞳孔内一点,并以该点为起点检测粗略的虹膜内边缘点,然后在原分辨力图像中利用梯度算子精确定位内边缘点从而实现内边缘定位;虹膜外边缘定位采用Canny算子和Hough变换实现,由于基于抽样图像进行......
[期刊论文] 作者:王云新,刘铁根,江俊峰,, 来源:Chinese Optics Letters 年份:2008
A novel hand vein recognition algorithm is developed based on multi-resolution wavelet analysis.The texture feature of hand vein can be extracted by three-level wavelet decomposition.Furthermore,K- ne...
[期刊论文] 作者:王云新,刘铁根,江俊峰, 来源:ChineseOpticsLetters 年份:2008
A novel hand vein recognition algorithm is developed based on multi-resolution wavelet analysis. The texture feature of hand vein can be extracted by three-level wavelet decomposition. Furthermore, K-nearest neighbor (KNN) with support vect......
[期刊论文] 作者:王铁城,兰寿锋,江俊峰,刘铁根,, 来源:Chinese Optics Letters 年份:2008
We describe a new algorithm in a cost effective polarization division multiplexing (PDM) system.Without modifying the existing transmitter,receiver electronics,...
[期刊论文] 作者:王铁城,兰寿锋,江俊峰,刘铁根, 来源:ChineseOpticsLetters 年份:2008
We describe a new algorithm in a cost effective polarization division multiplexing (PDM) system. Without modifying the existing transmitter, receiver electronics, or softwares, we use a special optical scheme to demultiplex the signal multi......
[期刊论文] 作者:李茂春, 刘铁根, 王佳佳, 侯丽丽, 周友伟, 江俊峰,, 来源:天津大学学报 年份:2008
针对传统二维热致非互易光纤环模型的局限性,建立了光纤环柱面坐标三维计算模型,可分析光纤环径向、轴向和周向温度不均匀变化导致的热致误差速率和热致误差角度.采用有限元...
[期刊论文] 作者:李茂春, 刘铁根, 江俊峰, 姚晓天, 周友伟, 侯丽丽,, 来源:光学学报 年份:2008
光纤陀螺基于萨尼亚克效应测量垂直于光纤环平面的敏感轴方向上的旋转分量。光纤环是光纤陀螺的核心部件,光纤环的缠绕质量直接影响着光纤陀螺的整体性能,对光纤环的缠绕质量...
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