The application of compressed sensing method in photoacoustic image reconstruction

D. Hu, Jiajun Wang, Erxi Fang, W. Zhou, Yue Zhou
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引用次数: 3

Abstract

Full-scanned photoacoustic data of the sample are needed to achieve better quality of the reconstructed photoacoustic image with filtered back projection algorithm. However, such a requirement is usually difficult to be satisfied due to the restrictions of the hardware conditions and spatial size. To tackle such a problem, a compressed sensing based method was proposed to recover the full-scanned photoacoustic data from the incomplete measurements. The results from the numerical simulation demonstrates that both the mean squared error and the peak signal-to-noise ratio(PSNR) of the image can significantly improved with our proposed method.
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压缩感知方法在光声图像重建中的应用
滤波后反投影算法重建的光声图像质量较好,需要样品的全扫描光声数据。然而,由于硬件条件和空间大小的限制,这样的要求通常难以满足。为了解决这一问题,提出了一种基于压缩感知的方法从不完全测量中恢复全扫描光声数据。数值模拟结果表明,该方法能显著改善图像的均方误差和峰值信噪比。
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