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A new algorithm for signal reconstruction from the phase of bispectrum, and its applications in image enhancement

机译:一种新的BISPectrum信号重建信号重建算法及其在图像增强中的应用

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There are applications in signal processing where the bispectrum magnitude of the source signal is distorted while the phase remains clean or shifts linearly. Many different algorithms have been developed, to reconstruct a signal from both the magnitude and phase of its bispectrum. We introduce an iterative scheme, the bispectrum iterative reconstruction algorithm (BIRA), for reconstruction of FIR sequence from the phase of the bispectrum. Then we propose procedures to optimize BIRA algorithm and introduce a new algorithm named adaptive BIRA (ABIRA). Finally, we reconstruct an image which convolved with a linear phase channel and also an image that had been corrupted by additive white Gaussian noise.
机译:在信号处理中存在应用,其中源信号的BISPectrum幅度在相位保持清洁或线性移动时失真。已经开发了许多不同的算法,以重建其BISPectrum的幅度和相位的信号。我们介绍了一种迭代方案,BISPectrum迭代重建算法(BIRA),用于从BISPectrum的阶段重建FIR序列。然后,我们提出了优化Bira算法的程序,并引入了一个名为Adaptive Bira(Abira)的新算法。最后,我们重建用线性相位通道卷曲的图像,也是由添加性白色高斯噪声损坏的图像。

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