The main purpose of this paper is to construct an autopilot system for unmanned railcars based on computer vision technology in a fixed luminous environment. Four graphic predefined signs of different colors and shapes serve as motion commands of acceleration. deceleration. reverse and stop for the motion control system of railcars based on image recognition. https://www.markbroyard.com/deal-time-caruso-s-rhodiola-tabs-50-discount-super-buy/