Research on Vehicle Taillight Detection and Semantic Recognition Based on Internet of Vehicle

Internet of Things(IOT) technology provides sufficient information technology and necessary decision-making basis for intelligent transportation. Internet of vehicles(IOV) is based on the architecture of the perception layer, network layer, and application layer. This article focuses on the tail light status in the perception layer of automotive active safety systems and proposes a method of vehicle taillamp detection and recognition based on active contour extraction and color feature analysis to solve the problem of information perception against the front vehicle. First, the front vehicles are detected and extracted by convolutional neural network and active contour models. Second, it analyzes the characteristics of taillamp pair and then segment the correct taillamp pair by color space conversion and location correlation principle. On this basis, the histograms distribution of taillamp are analyzed in different states and complete the recognition of taillamp. The experimental results show that the method can accurately identify the taillamp signal of the front vehicle in the daytime and effectively reduce the rate of false judgement caused by light interference.