Video pedestrian detection-based road section pedestrian street crossing signal system and method

Abstract

The invention relates to a video pedestrian detection-based road section pedestrian street crossing signal system and method. The road section pedestrian street crossing signal system comprises pedestrian crossing signal lamps and a traffic signal control machine; a video pedestrian detector and a pedestrian waiting area traffic sign are arranged on the outer side of each end portion of zebra crossings, wherein the pedestrian waiting area traffic sign comprises a pedestrian waiting area located on the ground outside the corresponding end portion of the zebra crossings; and when the collected and identified state information of pedestrians crossing streets in the pedestrian waiting area is matched with a preset street crossing request threshold value in the corresponding video pedestrian detector, the corresponding video pedestrian detector can send a pedestrian crossing request signal to the traffic signal controller, and the traffic signal controller can control the working state of the corresponding pedestrian crossing signal lamp according to the pedestrian crossing request signal. According to the system and method of the invention, street crossing requirements of different pedestrians can be satisfied to the greatest extent, interference of pedestrians waiting for crossing streets on non-motor vehicles and the passing of pedestrians in the same direction is avoided, and the efficiency and reliability of the street crossing of the pedestrians are improved.

Description

technical field [0001] The present invention relates to a road section pedestrian crossing signal system and method, in particular to a road section pedestrian crossing signal system and method based on video pedestrian detection, belonging to the technical field of road traffic signal control. Background technique [0002] At present, there are generally three ways to set up pedestrian crossing signals on urban roads in my country: fixed scheme, pedestrian button trigger, and video detection pedestrian crossing. Most of the pedestrian crossing signals adopt the fixed scheme control method. [0003] When the number of pedestrians crossing the street is small or there are no pedestrians waiting, the fixed scheme mode is still switched according to the prefabricated phase setting, resulting in a certain vacancy phenomenon in the pedestrian phase, which greatly wastes the passing time of motor vehicles on the main road. Pedestrian button-triggered crossing signal is to install ...

AI Technical Summary

Problems solved by technology

[0003] When the number of pedestrians crossing the street is small or there are no pedestrians waiting, the fixed scheme mode is still switched according to the prefabricated phase setting, resulting in a certain vacancy phenomenon in the pedestrian phase, which greatly wastes the passing time of motor vehicles on the main road

Pedestrian button-triggered crossing signal is to install pedestrian crossing request buttons on both sides of the road crosswalk, and trigger the pedestrian crossing request signal by pressing the button. The problem with this method is that the manual button device is a physical device, which is easy to cause artificial damage. The pedestrian crossing signal cannot be realized; at the same time, after the pedestrian request button is pressed frequently, there is a certain transition waiting time for the signal phase switching, which is more likely to cause pedestrians to press the button multiple times, thus aggravating the damage of the pedestrian request button

[0004] Existing video detection pedestrian crossing methods mainly set a single threshold condition for pedestrian crossing, without considering the impact of different pedestrian crossing numbers on the tolerance time of crossing demand, and a single threshold trigger condition is likely to cause pedestrians to group together to cross the road at red lights Occurs, causing traffic safety hazards

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