In the rapidly evolving intersection of artificial intelligence and civil engineering, a groundbreaking study is making waves. Pedram Bazrafshan, an assistant professor at Drexel University’s Civil, Architectural, and Environmental Engineering department, has pioneered research that could revolutionize how we document and understand construction sites. His work, published in the journal *AI in Civil Engineering* (translated from Persian as “هوش مصنوعی در مهندسی عمران”), explores the use of pre-trained Vision-Language Models (VLMs) to automatically describe images from civil engineering projects.
Imagine a construction site where cameras continuously capture images of the progress. Instead of relying solely on human inspectors to document and describe these images, AI models could provide real-time, detailed descriptions. This is the promise of Bazrafshan’s research. By leveraging VLMs, specifically ChatGPT-4v, his study demonstrates the potential for AI to serve as a powerful tool in the civil engineering domain.
“The idea is to automate the process of image description, making it faster and more consistent,” Bazrafshan explains. “This can be particularly useful for documenting construction progress, identifying potential issues, and even training new engineers.”
The study compares the AI’s descriptions with those provided by human experts—a civil engineer and two engineering interns. The results are impressive. The best-performing model achieved an average similarity of 76% with human-generated descriptions, indicating a high level of accuracy. This level of performance suggests that AI could soon play a significant role in construction site monitoring and documentation.
One of the most compelling aspects of this research is its potential impact on the energy sector. Construction and maintenance of energy infrastructure, such as power plants and renewable energy facilities, require meticulous documentation. AI-powered image description could streamline this process, reducing the need for manual inspections and improving the accuracy of records.
“Automated image description can enhance the efficiency and reliability of construction documentation,” Bazrafshan notes. “This can lead to better project management, reduced costs, and improved safety.”
The study also highlights the importance of adapting pre-trained models to specialized domains without the need for additional fine-tuning. This approach not only saves time and resources but also makes the technology more accessible to a wider range of applications.
As the field of AI continues to evolve, the integration of VLMs into civil engineering practices could pave the way for more advanced applications, such as digital twins—virtual replicas of physical assets that can be used for monitoring, simulation, and predictive maintenance. This research is a significant step towards realizing the full potential of AI in the construction and energy sectors.
In the words of Bazrafshan, “The future of civil engineering lies in the integration of advanced technologies like AI. This research is just the beginning of what’s possible.” As we look ahead, the possibilities are as vast as they are exciting.

