Connecting Vision and Emissions: A Behavioural AI Approach to Carbon Estimation in Road Design

• URL: http://arxiv.org/abs/2506.18924v1
• Date: Wed, 18 Jun 2025 11:50:24 GMT
• Title: Connecting Vision and Emissions: A Behavioural AI Approach to Carbon Estimation in Road Design
• Authors: Ammar K Al Mhdawi, Nonso Nnamoko, Safanah Mudheher Raafat, M. K. S. Al-Mhdawi, Amjad J Humaidi,
• Abstract summary: We present an enhanced YOLOv8 real time vehicle detection and classification framework, for estimating carbon emissions in urban environments.<n>The framework incorporates a hybrid pipeline where each detected vehicle is tracked and its bounding box is cropped and passed to a deep Optical Character Recognition (OCR) module.<n>This OCR system, composed of multiple convolutional neural network (CNN) layers, is trained specifically for character-level detection and license plate decoding.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present an enhanced YOLOv8 real time vehicle detection and classification framework, for estimating carbon emissions in urban environments. The system enhances YOLOv8 architecture to detect, segment, and track vehicles from live traffic video streams. Once a vehicle is localized, a dedicated deep learning-based identification module is employed to recognize license plates and classify vehicle types. Since YOLOv8 lacks the built-in capacity for fine grained recognition tasks such as reading license plates or determining vehicle attributes beyond class labels, our framework incorporates a hybrid pipeline where each detected vehicle is tracked and its bounding box is cropped and passed to a deep Optical Character Recognition (OCR) module. This OCR system, composed of multiple convolutional neural network (CNN) layers, is trained specifically for character-level detection and license plate decoding under varied conditions such as motion blur, occlusion, and diverse font styles. Additionally, the recognized plate information is validated using a real time API that cross references with an external vehicle registration database to ensure accurate classification and emission estimation. This multi-stage approach enables precise, automated calculation of per vehicle carbon emissions. Extensive evaluation was conducted using a diverse vehicle dataset enriched with segmentation masks and annotated license plates. The YOLOv8 detector achieved a mean Average Precision (mAP@0.5) of approximately 71% for bounding boxes and 70% for segmentation masks. Character level OCR accuracy reached up to 99% with the best performing CNN model. These results affirm the feasibility of combining real time object detection with deep OCR for practical deployment in smart transportation systems, offering a scalable solution for automated, vehicle specific carbon emission monitoring.

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