Path planning has become a predominant issue for unmanned aerial vehicles (UAVs),
especially in complex indoor environments. Existing solutions for UAV indoor path planning …

Abstract Using three-dimensional (3D) indoor environments in pedestrian evacuation
simulations is increasingly active. However, a systemic review that reflects the latest …

Intelligent tunnel engineering requires accurate and comprehensive digital twin models to
represent complex geological environments. The digital twin model of tunnel geological …

In recent decades, unmanned aerial vehicle airborne optical systems have gained a
booming development. With the continuous pursuit of optical system performance, the …

One of the most basic systems required in smart cities are indoor positioning systems that
allow positioning of people and objects inside buildings to provide them with suitable …

Volumetric video, which offers immersive viewing experiences, is gaining increasing
prominence. With its six degrees of freedom, it provides viewers with greater immersion and …

We present a novel function representation (F-Rep) based geometric modeling kernel tailor-
made to support computer aided design (CAD) and fabrication of high resolution volumetric …

Visibility analysis plays a vital role in the design and placing of traffic signs in the urban
street environment. This work investigates the occlusion detection of traffic lights and traffic …

In complex mountainous terrains, tunnel construction faces unique challenges from high-
temperature water inrush hazards, a systemic risk arising from the interplay of stress …

In recent years, navigation has attracted widespread attention across various fields, such as
geomatics, robotics, photogrammetry, and transportation. Modeling the navigation …