Scientists Training Search And Rescue Drones To Help Lost Hikers Get Home
A team of researchers led by Prof. Davide Scaramuzza have developed a way to train drones to follow forest trails in order to assist search and rescue missions for lost hikers. According to the research, Prof. Scaramuzza's team figured out a method of machine learning through Deep Neural Networks (DNNs) which enables an unsupervised drone to determine the direction of a path using an on-board camera.
The system was created by first setting up a hiker with three cameras that cover about 180 degrees of visual information: one positioned straight ahead, one placed 30 degrees to the left and the other 30 degrees to the right so that there is a slight overlap in the captured video.
The raw data used was eight hours' worth of footage of approximately 7 kilometers of hiking trail between an altitude of 300 and 1,200 meters. The footages were taken at different times of the day and under different weather conditions.
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