Practical RGB-to-XYZ Color Transformation Matrix Estimation under Different Lighting Conditions for Graffiti Documentation

A Molada-Tebar, GJ Verhoeven, D Hernández-López… - Sensors, 2024 - mdpi.com
Color data are often required for cultural heritage documentation. These data are typically
acquired via standard digital cameras since they facilitate a quick and cost-effective way to …

Detecting change in graffiti using a hybrid framework

B Wild, G Verhoeven, R Muszyński… - The Photogrammetric …, 2024 - Wiley Online Library
Graffiti, by their very nature, are ephemeral, sometimes even vanishing before creators finish
them. This transience is part of graffiti's allure yet signifies the continuous loss of this often …

Exterior Orientation in a Box: Cost-Effective RTK/IMU-Based Photo Geotagging

M Wieser, G Verhoeven, B Wild… - … Archives of the …, 2024 - isprs-archives.copernicus.org
This paper presents a small, cableless and cost-effective (circa€ 500 in 2022) device that
embeds an RTK-enabled GNSS receiver and IMU in a 3D printed case to record the exterior …