In the world of construction, ensuring that materials meet specified standards is a critical, yet often subjective, process. A recent study led by N. Doğan from İnönü University’s Engineering Faculty in Malatya, Türkiye, aims to change that by introducing a low-cost, objective system for verifying building material colours. Published in ‘The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences’ (translated as ‘The International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences’), this research could revolutionize quality control in the construction industry.
The system developed by Doğan and his team uses a colour sensor to objectively assess the conformity of building material colours to technical specifications or contract terms. This innovation is set to eliminate the subjective evaluations that often plague material acceptance and quality control processes. “Our goal was to create a system that ensures repeatable acceptance of materials based on measurements, not human judgment,” Doğan explains.
The system operates using colour measurements in the RGB colour space, which requires minimal storage and computational effort. However, the real magic happens when these measurements are converted to the HSV colour space. This conversion allows for a more consistent evaluation of material colours. “Field applications have shown that the HSV colour space provides more consistent results compared to the RGB model during comparison and cosine similarity calculations,” Doğan notes.
The HSV colour space’s ability to separately evaluate hue, saturation, and luminance components reduces the impact of variable lighting conditions on measurement accuracy. This leads to more reliable results in colour similarity analysis, a crucial factor in ensuring material consistency across different batches and suppliers.
The implications of this research for the construction industry are significant. By providing a more accurate and efficient method for material procurement and quality control, the system can help reduce costs and improve project timelines. “This study demonstrates that our system can contribute to higher accuracy and efficiency in material procurement and quality control processes in construction projects,” Doğan states.
Moreover, the system’s low-cost and low-computational requirements make it accessible to a wide range of construction firms, from large corporations to small-scale contractors. This accessibility could lead to widespread adoption, ultimately raising the bar for quality control standards in the industry.
As the construction industry continues to evolve, the need for objective, data-driven quality control methods will only grow. Doğan’s research represents a significant step forward in this area, offering a practical solution that can be implemented today. The study was published in ‘The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences’, a testament to its relevance and potential impact on the field.
In the future, we can expect to see more innovations like this, as the industry embraces technology to improve efficiency, accuracy, and consistency. Doğan’s work serves as a reminder that even the most mundane aspects of construction, like colour verification, can be transformed through innovative thinking and technological advancements. As the industry moves forward, it will be exciting to see how these developments shape the future of construction.

