Abstract
Real-time UAV video data compression is one of the key technology of UAV.In this paper we propose a real-time,low-power video encoding system design,based on DM368 processor and embedded Linux operating system.Compared with traditional embedded video H264 encoding system design,we use DM368 inner video image co-processors to process the encoding task,which has the advantage of low-power consumption,low processing delay,and simple external circuit design.Furthermore,we utilize the real-time,stable and efficient embedded Linux operating system,capable of processing multi-task,such as video capturing,hard-core scheduling,serial communication,and data transmission.Experiment shows that the average power consumption of our system is only 1.5 W when dealing with the PAL video H264 coding task.Our design meet the requirement of UAV video compression task efficiently,with the advantage of low-power,low-cost,small-size,light-weight,and good real-time quality.
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