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Inicio  /  Applied Sciences  /  Vol: 10 Par: 7 (2020)  /  Artículo
ARTÍCULO
TITULO

Parking Space and Obstacle Detection Based on a Vision Sensor and Checkerboard Grid Laser

Shidian Ma    
Zhongxu Jiang    
Haobin Jiang    
Mu Han and Chenxu Li    

Resumen

The accuracy of automated parking technology that uses ultrasonic radar or camera vision for obstacles and parking space identification can easily be affected by the surrounding environment especially when the color of the obstacles is similar to the ground. Additionally, this type of system cannot recognize the size of the obstacles detected. This paper proposes a method to identify parking spaces and obstacles based on visual sensor and laser device recognition methods by installing a laser transmitter on the car. The laser transmitter produces a checkerboard-shaped laser grid (mesh), which varies with the condition encountered on the ground, which is then captured by the camera and taken as the region of interest for the necessary image processing. The experimental results show that this method can effectively identify obstacles as well as their size and parking spaces even when the obstacles and the background have a similar color compared to when only using sensors or cameras alone.

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