基于FPGA的CMOS激光多普勒血流相机通用原型平台

2006 IEEE International Conference on Field Programmable Technology Pub Date : 2006-12-01 DOI:10.1109/FPT.2006.270328

Yiqun Zhu, B. Hayes-Gill, S. Morgan, Nguyen C. Hoang

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引用次数: 6

摘要

提出了一种基于FPGA的CMOS激光多普勒血流成像通用原型平台。该平台由Xilinx Spartan-3 FPGA器件、Analog device 125MSPS、14位adc、Cypress 167MHz、2mtimes18bit QDR内存和高速(480MHz) USB 2.0链路组成。在该平台中，FPGA器件不仅作为adc、QDR存储器和USB链路的控制器，而且提供高速FFT处理能力，这是激光多普勒血流测量的关键计算。基于该平台的全场激光多普勒血流成像系统FFT点数为1024，每1.7秒可输出256x256像素的血流图像帧，比现有系统快7倍

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An FPGA based generic prototyping platform employed in a CMOS laser Doppler blood flow camera

This paper presents an FPGA based generic prototyping platform employed in a CMOS laser Doppler blood flow imaging application. The proposed platform consists of a Xilinx Spartan-3 FPGA device, Analog Device 125MSPS, 14-bit ADCs, Cypress 167MHz, 2Mtimes18bits QDR memory, and a highspeed (480MHz) USB 2.0 link. In this platform, the FPGA device not only acts as controllers of the ADCs, QDR memory and the USB link, but also provides a high-speed FFT processing capability, which is a key computation in laser Doppler blood flowmetry. Based on this platform, with the number of FFT points of 1024, a full-field laser Doppler blood flowmetry imaging system can deliver flow image frames (256x256 pixels) every 1.7 seconds, which is seven times faster than existing systems

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来源期刊

2006 IEEE International Conference on Field Programmable Technology

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