GP-NEP: a prototype of an assistant for non-experts in photogrammetric survey

Photogrammetry is a widely used survey technique for creating digital replicas, but its application requires some expertise in survey planning and execution that sometimes can represent a challenge, especially for non-expert users. This paper presents GP-NEP, a prototype tool designed to address this task. GP-NEP aims to guide non-expert users through the intricacies of photogrammetric surveying, helping to understand the key factors that influence the quality of the final digital replica by employing an interactive questionnaire-based approach and general tips. GP-NEP assists users in selecting suitable equipment and optimizing the survey process based on the complexity of the object being captured. Through a comparative case study, concerning the 3D survey of two marble artifacts from the Roman river port of Seripola, the effectiveness of GP-NEP was tested.