The purpose of the invention is to overcome the shortcomings of the prior art, and provide an assistive device for the blind people, which can realize the functions of detecting the object category, measuring the distance between the object and the user, helping the blind to read characters, recognizing faces and the like, and is convenient to use and low in price. The invention is convenient to use and can be used in two ways: wearing or hand-holding. The invention has multiple functions such as target detection, binocular ranging, face recognition, character recognition, and voice recognition. The functions are faster and more accurate than similar products. The invention does not need to be connected to a network and is not affected by network speed and signals. The main hardware cost of the invention is low, mainly in the raspberry pie 4B and the binocular camera.
HAND-HELD MULTIFUNCTIONAL LIFE-ASSISTIVE DEVICE FOR BLIND PEOPLE BASED ON COMPUTER VISION
