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Traffic flow statistical method in intelligent traffic

A technology of intelligent transportation and statistical methods, which is applied in the field of traffic statistics in intelligent transportation, can solve the problems of being easily affected by weather and temperature, poor infrared anti-noise ability, and low efficiency, so as to improve social and economic benefits and broad application scenarios , The effect of accurate traffic flow data

Inactive Publication Date: 2019-07-12
杭州电子科技大学上虞科学与工程研究院有限公司 +1
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AI Technical Summary

Benefits of technology

This technology helps count how many people are driving on roads faster than they actually see or react accordingly. It uses advanced sensors that track their movements over time to make it easier to identify specific areas where there may be potential hazards like cars or pedestrians. By analyzing these movement patterns, we aimed at finding ways to improve road safety measures such as speed limit signs or lane markings.

Problems solved by technology

Technological Problem: Current Vehicle Detection (Vehicles Detect) Methodologies have limitations such as slow response times due to factors like noise interference caused by surrounding buildings, difficulty recognizing different types of cars, lack of environmental awareness during operation, etc., making them difficult to achieve accurate results while maintaining efficient processing capabilities over varying conditions.

Method used

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Embodiment Construction

[0036] The present invention will be further described in detail in conjunction with the following specific embodiments and accompanying drawings.

[0037] The traffic flow statistics method in smart transportation uses the ResNet-50 framework to improve the traditional SSD target detection algorithm and the CamShift algorithm to detect and track vehicles in real time, which not only improves the detection effect of vehicles, but also prevents The vehicle is lost and counted again, providing reliable data for urban traffic. The method includes a vehicle detection method and a vehicle tracking method.

[0038] Vehicle detection methods are as follows:

[0039] (1). SSD network is set up, and described SSD network comprises two parts: a part is the deep convolutional neural network positioned at the front end, adopts the image classification network that removes the classification layer; a part is the multi-scale feature detection network positioned at the back end, is a group...

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Abstract

The invention relates to a traffic flow statistics method in intelligent traffic. In the prior art, the accuracy of vehicle identification is insufficient, and the efficiency is not high. According tothe method, an SSD and a ResNet in a neural network are adopted, and the method is established with a traditional target tracking CamShift algorithm and comprises a vehicle detection method and a vehicle tracking method. According to the vehicle detection method, firstly, an SSD network is established, the SSD obtains a plurality of feature maps of different sizes, different aspect ratios are adopted for default frames on the same feature layer, the robustness of the default frames to the shape of an object is enhanced, and the position and the target type are regressed while the SSD trainingis carried out. According to the vehicle tracking method, a continuous self-adaptive expected movement algorithm is adopted to track a vehicle identified by a first frame of a single-time movement visual network detector. According to the method, the vehicles can be detected more accurately for statistics, the vehicles can be prevented from being lost through tracking to be counted again, and theobtained traffic flow data are more accurate.

Description

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Claims

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Application Information

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Owner 杭州电子科技大学上虞科学与工程研究院有限公司
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