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Deep convolutional neural network for enhancing traffic sign recognition developed on Yolo V4
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Deep convolutional neural network for enhancing traffic sign recognition developed on Yolo V4
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Deep convolutional neural network for enhancing traffic sign recognition developed on Yolo V4
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Journal Article
Deep convolutional neural network for enhancing traffic sign recognition developed on Yolo V4
2022
Overview
Traffic sign detection (TSD) is a key issue for smart vehicles. Traffic sign recognition (TSR) contributes beneficial information, including directions and alerts for advanced driver assistance systems (ADAS) and Cooperative Intelligent Transport Systems (CITS). Traffic signs are tough to detect in practical autonomous driving scenes using an extremely accurate real-time approach. Object detection methods such as Yolo V4 and Yolo V4-tiny consolidated with Spatial Pyramid Pooling (SPP) are analyzed in this paper. This work evaluates the importance of the SPP principle in boosting the performance of Yolo V4 and Yolo V4-tiny backbone networks in extracting features and learning object features more effectively. Both models are measured and compared with crucial measurement parameters, including mean average precision (
mAP
), working area size, detection time, and billion floating-point number (BFLOPS). Experiments show that Yolo V4_1 (with SPP) outperforms the state-of-the-art schemes, achieving 99.4% accuracy in our experiments, along with the best total BFLOPS (127.26) and
mAP
(99.32%). In contrast with earlier studies, the Yolo V3 SPP training process only receives 98.99% accuracy for
mAP
with
IoU
90.09. The training
mAP
rises by 0.44% with Yolo V4_1 (
mAP
99.32%) in our experiment. Further, SPP can enhance the achievement of all models in the experiment.
Publisher
Springer US,Springer Nature B.V
