ITSC 2024 Paper Abstract

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Paper WeBT16.10

Kumar, Kshitiz (Indian Institute of Technology, Hyderabad), Reddy, Santhosh (Indian Institute of Technology, Hyderabad), Pachamuthu, Rajalakshmi (Indian Institute of Technology, Hyderabad)

Towards Real-Time Traffic Sign Recognition in Diverse Weather Conditions through Adaptive Feature Learning

Scheduled for presentation during the Poster Session "Perception - Road and weather conditions" (WeBT16), Wednesday, September 25, 2024, 14:30−16:30, Foyer

2024 IEEE 27th International Conference on Intelligent Transportation Systems (ITSC), September 24- 27, 2024, Edmonton, Canada

This information is tentative and subject to change. Compiled on October 3, 2024

Keywords Traffic Theory for ITS, Road Traffic Control, Driver Assistance Systems

Abstract

This paper addresses the challenges of real-time traffic sign recognition in diverse Indian environments, where low-resolution images and high-speed autonomous vehicles can lead to blurred and obscured traffic sign boards. We propose using a YOLOv8 model as a base and enhancing its performance by incorporating SPD-Conv and NAM layers. SPD-Conv, a new CNN building block, replaces strided convolution and pooling layers with a space-to-depth layer followed by a non-strided convolution layer, enhancing the preservation of fine-grained information and improving feature representations. NAM, a Normalization-based Attention Module, is added to the bottleneck layer of the YOLOv8 model to enhance training efficiency and reduce model complexity, ensuring high accuracy in lightweight models. Our approach, which includes a sample dataset of 11,200 images from 52 different classes based on Indian Road Congress(IRC) standards and guidelines, demonstrates significant improvements in real-time traffic sign recognition, achieving a mAP(Mean Average Precision)@0.5 accuracy of 94% for YOLOv8 with SPD-Conv and NAM layers.

 

 

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