The portable wireless aerial image transmission system based on DSP

The paper provides portable digital aerial image system based on Blackfin DSP. The system includes the aeromodelling-carrier part and the ground control part. The image transmission between the two parts realized with Nordic Semiconductor's RF transceiver nRF24L01. The aeromodelling-carrier part takes pictures using CMOS image sensor and compresses data by ADSP-BF531, then sends them to ground part wirelessly. The ground control center based on ADSP-BF533 supervises images real time and samples data. After relevant subsequent image processing and compressing, the final image is saved locally. In controllable range, the system can take pictures anyplace and any angle, can lock object neatly. This system features double DSP architecture so it can transmit and process image very fast. It is small, light, low power consumption and low cost. It is easy for single taking and operation, so has good application prospect in field reconnaissance, traffic surveillance, city layout and the situation of bad weather or a disaster and so on.