Baidu has patented a road congestion detection method using computer analysis of images from multiple cameras on a road. The method determines congestion based on area ratio information of vehicles in road sections. The detection result indicates if the road is congested, based on predetermined conditions. GlobalData’s report on Baidu gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Baidu, Behavioral analytics was a key innovation area identified from patents. Baidu's grant share as of January 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Road congestion detection method using images from multiple cameras
A recently granted patent (Publication Number: US11887473B2) outlines a road congestion detection method that utilizes computer technology. The method involves obtaining multiple images captured by various cameras along a specific road at the same time, performing target detection on each image to determine area ratio information representing the ratio of vehicle area to lane area, and ultimately determining the congestion status of the road based on this data. The detection result indicates whether the road is congested, with specific conditions to be met for this determination. The patent also includes provisions for adjusting target information based on multiple congestion detection results and controlling vehicles within a designated space object based on congestion detection results from different roads within the space.
Furthermore, the patent extends to an electronic device equipped with processors and memory to execute the road congestion detection method. The device is capable of obtaining images from multiple cameras, performing target detection to calculate area ratio information, and determining congestion status based on the collected data. Additionally, the device can adjust target information based on congestion detection results and control vehicles within a designated space object. The patent also covers a non-transitory computer-readable storage medium storing instructions for implementing the road congestion detection method, emphasizing the importance of accurate area ratio information in determining road congestion and enabling effective vehicle control measures within a specified space object.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
