KEYWORDS: Image filtering, Image processing, Digital signal processing, Image transmission, Digital filtering, Image segmentation, Signal processing, Digital image processing, General packet radio service, Image compression
An embedded image monitoring system based on TMS320DM642 Digital Signal Processor (DSP) is proposed for the
transmission line monitoring. The system can detect galloping, ice or snow covering, and other abnormal status of the
transmission line in a real time mode. The image detection algorithms are compared using the controlled experiment
under the complex weather environment, thereby, a set of image processing algorithms is proposed for transmission lines
image monitoring. The DSP/BOIS multi-threaded programming techniques are used to realize the algorithm in the DSPs'
embedded software. A wireless communication based on General Packet Radio Service (GPRS) module is designed to
transmit the detection results and the changed information of the image to the monitoring center, so that the operators can
get the real time status of the transmission line. The application of the system will play an important role in the
condition-based maintenance of power transmission lines and improve the reliability of power delivery system.
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