Video Transmission and Detection System based on Software Definde Radio and Object Detection

Zhouyun Wei ； Feng Liu

《International Core Journal of Engineering》 8卷7期 (2022/07) Pp. 546-560

https://doi.org/10.6919/ICJE.202207_8(7).0074

摘要

This paper implements real-time video acquisition transmission and detection based on software radio technology and target detection algorithms. The objective is to transmit the video captured by the camera wirelessly using software radio technology, while providing target detection processing for the received video. The system uses the GStreamer framework for video capture, encoding and multiplexing. The multiplexed TS stream is sent to GNU Radio's video transmission system and matched with a USRP device to send the TS stream to another receiving device. Finally, object detection processing is performed on the video at the receiving end to identify the type of object in the video. Object detection utilizes an improved algorithm of YOLOv4. The improved YOLOv4 achieves a 71.34% increase in detection speed and a 38.65% decrease in the number of network parameters with only a 0.27% decrease in accuracy.

關鍵字

Gstreamer ； Software Defined Radio ； Video Ranssmission ； Object Detection

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