资源大小: 386KB
发布时间: 2012-02-18
文件格式: pdf
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What we believe to be a new technique, based on a modified Gerchberg–Saxton algorithm (MGSA) and aphase modulation scheme in the Fresnel-transform domain, is proposed to reduce cross talks existing inmultiple-image encryption and multiplexing. First, each plain image is encoded and multiplexed into aphase function by using the MGSA and a different wavelength/position parameter. Then all the createdphase functions are phase modulated to result in different shift amounts of the reconstruction imag


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