运动目标检测与跟踪中FPGA的应用

Application of FPGA in moving object detection and tracking

运动目标检测与跟踪需要处理大量的视频数据,FPGA并行处理的工作方式和可重复执行多任务的能力,使其在视频数据运算与处理中能够发挥很大作用。讨论了FPGA结合DSP实现目标检测与跟踪的技术方案,重点研究了以FPGA构建图像预处理环节中处理器的设计方法。仿真和实验结果表明,基于FPGA的处理器能够完全满足图像预处理中运算量大、重复性强、速度高的要求,有效地缓解了DSP在后续的目标检测与跟踪中数据运算处理的压力,使得系统更加实时、准确、高效。

Moving object detection and tracking needs to handle a mass of video data,working mode of parallel processing and ability to execute multiple tasks make FPGA plays a great role in video data operation and processing.Technical scheme for DSP＋FPGA to realize moving object detection and tracking is discussed,and the design method for the processor,which is used in image preprocessing in FPGA is mainly studied.The simulation and experimental results show that the processor based on FPGA fulfills the demands of image preprocessing system on heavy computation,great repeatability and high speed,so it effectively relieve DSP＇s pressure in subsequent data process,and all these make the system more real-time,efficient and accurate.