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Compressive Sensing Photoacoustic Imaging Receiver With Matrix-Vector-Multiplica
本文提出了一种用于可穿戴光声成像设备的压缩感知接收器,通过硬件嵌入压缩感知技术显著降低数据量。
57.5 dB SNDR @20.41MS/s, 3.5nV/(Hz)^1/2噪声, 5.83mW/通道
压缩感知光声成像矩阵向量乘法SAR ADC可穿戴设备
▸采用矩阵向量乘法(MVM)SAR ADC实现模拟域压缩
▸支持用户可编程的三元权重
▸集成两种信号重建方法:快速迭代收缩阈值算法和隐式神经表示学习
Abstract
Wearable photoacoustic imaging devices hold great
promise for continuous health monitoring and point-of-care diag-
nostics. However, the large data volume generated by high-density
transducer arrays presents a major challenge for realizing com-
pact and power-e fficient wearable systems. This article presents
a photoacoustic imaging receiver (RX) that embeds compressive
sensing directly into the hardware to address this bottleneck. The
RX integrates 16 AFEs and four matrix-vector-multiplication
(M