ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,249, issued on Nov. 11.
"Method and apparatus for obstacle detection under complex weather" was invented by Dengyin Zhang (Nanjing, China), Wenhong Xin (Nanjing, China) and Xiaofei Jin (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method and an apparatus for obstacle detection under complex weather. The method includes: obtaining an image under a complex weather condition; performing enhanced preprocessing on the image by using a multi-scale retinex with color restoration MSRCR algorithm; inputting the preprocessed image into a trained obstacle detection model based on an improved YOLOv3 network; an...