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给出了基于空间光调制器的联合变换相关实验系统的理论和光电结构,并对功率谱进行了相减运算和 Butter-worth 高通滤波后,将其复制成 N 份成阵列形式呈现在空间光调制器上,以获得高效的联合变换相关,提高了信噪比.利用计算机程序调整参考图像多次相关的办法,实现了旋转和尺度畸变图像的识别。
The theoretical and optoelectronic structure of the joint transform-related experimental system based on the spatial light modulator is given. After the power spectrum is subtracted and Butter-worth high-pass filtered, the power spectrum is copied into N parts and presented in an array of spatial light Modulator to obtain efficient joint transform correlation and improve the signal to noise ratio.Using computer programs to adjust the correlation of the reference image multiple times to achieve the rotation and scale distortion image recognition.