S-shaped driving behavior detection method for automobile in weighing area of dynamic flat-plate scale

A technology of flat scales and flat panels, applied in biological neural network models, instruments, character and pattern recognition, etc., can solve the problems of low detection accuracy, difficult maintenance, and easy to be affected by the environment, and achieve accurate detection results, low maintenance costs, Not easily affected by environmental factors

Active Publication Date: 2020-11-17
浙江东鼎电子股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some methods use the infrared beam detector to detect the position of the car to judge whether the car has S-shaped driving behavior. The infrared beam detector is easily affected by the environment, the detection accuracy is low, and it is difficult to maintain

Method used

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  • S-shaped driving behavior detection method for automobile in weighing area of dynamic flat-plate scale
  • S-shaped driving behavior detection method for automobile in weighing area of dynamic flat-plate scale
  • S-shaped driving behavior detection method for automobile in weighing area of dynamic flat-plate scale

Examples

Experimental program
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Embodiment 1

[0054] Detection method of vehicle S-type driving behavior in the weighing area of ​​dynamic flat scale:

[0055] Step 1: Lay narrow flat scales that are level with the ground on the road, and set up cameras on both sides of the road.

[0056] For detection of vehicle S-shaped driving behavior in the weighing area of ​​the dynamic flat scale, firstly, a narrow strip flat scale flat with the ground is laid on the road, and cameras are installed on both sides of the road. image 3 It is a schematic diagram of the dynamic weighing area scene. The optical axes of the cameras on both sides of the road should be parallel to the edge of the flat scale.

[0057] The present embodiment adopts flat scale structure such as Figure 4 shown. The plate type dynamic truck scale adopts the resistance strain sensor, and detects the micro-deformation of the main beam of the platen through the sensor to detect the dynamic weighing device of the working principle of the wheel axle load. This ...

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Abstract

The invention discloses an S-shaped driving behavior detection method for an automobile in a weighing area of a dynamic flat-plate scale. The method comprises the steps of using a camera on one side of a road for collecting a flat scale area image and inputting a contour anomaly detection neural network for analysis; when the contour is normal, inputting the flat scale area image into a flat scalesensing neural network to obtain a flat scale semantic segmentation map; performing edge perception on the flat scale semantic segmentation graph by utilizing the edge contour graph and a flat scaleedge perception neural network to obtain a flat scale edge point distribution graph; carrying out straight line fitting on the edge points, and carrying out perspective transformation to obtain a flatscale edge line top view; detecting a wheel landing point in the acquired automobile image; converting the detected coordinates of the wheel landing point and the top view of the edge line of the flat scale into the same coordinate system, and judging whether the automobile has an S-shaped driving behavior or not according to the position relationship between the wheel landing point and the edgeline of the flat scale. According to the invention, the S-shaped driving behavior of the weighing automobile can be accurately identified.

Description

technical field [0001] The invention relates to the fields of artificial intelligence and automobile dynamic weighing, in particular to a method for detecting S-shaped driving behavior of automobiles in the weighing area of ​​a dynamic flat scale. Background technique [0002] Dynamic weighing of the car, that is, the weight of the car can be obtained by driving directly from the flat scale without stopping the car. Due to visual errors, the scale operator cannot accurately observe the position of the car on the electronic scale. The driver takes advantage of this. When weighing on the narrow strip flat scale, the car turns an S-curve and takes an S-shaped route, allowing the car to take one wheel. On the road, only one wheel is on the flat scale, thereby reducing the actual weight of the car when weighing. Some methods detect the position of the car through an infrared beam detector to determine whether the car has an S-shaped driving behavior. The infrared beam detector i...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/34G06K9/46G06K9/62G06N3/04
CPCG06V20/54G06V10/267G06V10/44G06V10/454G06N3/045G06F18/24
Inventor 冯骥良姜俊祝顺飞
Owner 浙江东鼎电子股份有限公司
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