Development of high-accuracy real-time three-dimensional measurement system for moving object based on parallel digital holography

为了开发一种传统技术难以实现的高精度运动物体实时三维测量系统，作者旨在加快并行数字全息的计算过程，并行数字全息是本工作的核心技术。通过数值模拟，作者证实GPU和FPGA能够执行的计算过程实现高精度测量，分别比CPU快11.4倍和6.9倍。此外，作者还通过实验演示，成功地获得了在1khz振动的扬声器的振膜位移。

In order to develop a real-time three-dimensional measurement system for moving object with high accuracy which it is difficult for conventional techniques to realize, the author aimed to accelerate the calculation processes of parallel digital holography which is a core technique in this work. By numerical simulations, the author confirmed that GPU and FPGA was capable of carrying out the calculation process for realizing high-accuracy measurement up to 11.4 times and 6.9 times faster than that by CPU, respectively. In addition, the author succeeded in obtaining displacement of diaphragm of a loudspeaker vibrating at 1 kHz by experimental demonstration.