The mission planning in airborne Photogrammetry and Remote Sensing applications, depending on the system of acquisition by adopted platform (such as rotary fixed wing aircrafts, glider, airship, manned or unmanned), is first essential step to ensure success a survey mission. purpose this paper provide an overview techniques using passive optical sensors. basic concepts related usage most common sensor technologies are described, along with several possible scenarios that may be afforded...

The aim of this work is to identify an efficient pipeline in order build HBIM (heritage building information modelling) and create digital models be used structural analysis. To accurate 3D it first necessary perform a geomatics survey. This means performing survey with active or passive sensors and, subsequently, accomplishing adequate post-processing the data. In way, possible obtain point cloud structure under investigation. next step, known as “scan-to-BIM (building modelling)”, has led...

The aim of this paper is to implement a novel Scan BIM method applied cultural heritage field build 3D GIS model able connect different databases and, as consequence, allowing multidisciplinary approach. proposed was the case study rock church located in famous ceramics district Grottaglie (Italy). To obtain structure under investigation, it necessary perform, first step, an integrated survey with Terrestrial Laser Scanner technology and close range photogrammetry which allowed construction...

The monitoring of burned areas can easily be performed using satellite multispectral images: several indices are available in the literature for highlighting differences between healthy vegetation and areas, consideration their different signatures. However, these may have limitations determined, example, by presence clouds or water bodies that produce false alarms. To avoid inaccuracies optimize results, this work proposes a new index detecting named Normalized Burn Ratio Plus (NBR+), based...

Abstract The management of Cultural Heritage (CH) requires increasingly efficient, simple and shareable tools, methods knowledge. In this environment, a suitable procedure was developed to transform the point cloud, generated by geomatics surveys, into parameterized objects. order obtain an object with precise geometric physical characteristics, three-dimensional modelling software (Rhinoceros) used. This software, using tools specific plugins, has allowed parameterization particular, use...

The digitization of Cultural Heritage is an important activity for the protection, management, and conservation structures particular historical architectural interest. In this context, use low-cost sensors, especially in photogrammetric field, represents a major research challenge. paper, cameras capable capturing 360° scene with single image was assessed. By using spherical photogrammetry algorithm based on structure from motion multi-view stereo, it possible to reconstruct geometry (point...

Cultural heritage conservation demands interdisciplinary and complex documentation analysis while facing increasing pressure to adopt sustainable productive practices. This paper bridges these gaps by proposing a methodology set of requirements for Building Information Modeling (BIM) models aligned with European directives sustainability productivity in the Architecture, Engineering, Construction (AEC) sector. Leveraging 3D scanning intelligent models, we establish information needs specific...

The aim of the paper is to identify a suitable method for construction 3D city model from stereo satellite imagery. In order reach this goal, it necessary build workflow consisting three main steps: (1) Increasing geometric resolution color images through use pan-sharpening techniques, (2) identification buildings’ footprint deep-learning techniques and, finally, (3) building an algorithm in GIS (Geographic Information System) extraction elevation buildings. developed was applied imagery...

Unmanned Aerial Vehicle (UAV) photogrammetry, thanks to the development of Structure from Motion (SfM) and Multi-View Stereo (MVS) algorithms, allows generation dense point clouds, capable representing three-dimensional objects structures in a detailed accurate manner. In addition, possibility associating more semantic information through automatic segmentation classification models, becomes fundamental importance field development, protection maintenance Cultural Heritage (CH). With...

The aim of the research was to evaluate performance smartphone depth sensors (Time Flight Camera(ToF) and Light Detection Ranging (LiDAR)) from Android (Huawei P30 Pro) iOS (iPhone 12 Pro iPAD 2021 devices in order build a 3D point cloud. In particular, smartphones were tested several case studies involving scanning objects: 10 building material samples, statue, an interior room environment remains Doric column major archaeological site. quality clouds evaluated through visual analysis using...

Artistic, architectural and Cultural Heritage (CH) structures are often exposed to a high risk of damage caused by seismic events, natural disasters more negligence poor state preservation conservation; the use series technologies, based on digital acquisition high-level data processing, allows realisation three-dimensional model detail. In order preserve particular historical value, it is necessary assess their structural stability. addition, many structures, such as statues, have rather...

The aim of the paper is to identify an efficient method for transforming point cloud into parametric objects in fields architecture, engineering and construction by four main steps: 3D survey structure under investigation, generation a new based on feature extraction identification suitable threshold values, geometry reconstruction semi-automatic process performed Rhinoceros/Grasshopper BIM implementation. developed made it possible quickly obtain geometries that were very realistic original...

Intuitive interactive methods for novice users to create 3D content and geometry have eluded the CAGD community several decades, they continue be critical yet unresolved challenges.The need such is even more acute considering fact that printing becoming a commodity.In contrast, modern geometric modeling tools are very complex used primarily by professionals as architects engineers.Part of difficulty might found in input/output devices mostly 2D.While users, real life, do interact daily...

The aim of this paper is to identify a suitable methodology realize, in an easy and quick way, 3D models complex structures. To achieve aim, the first step build model scene under investigation using photogrammetric modelling. This task was carried out by use algorithms based on Structure from Motion (SfM) - Multi View Stereo (MVS) approaches camera-generated images supplied UAS (Unmanned Aerial system). Once built point cloud structure investigation, geometry each element reconstructed with...

The aim of this study is to evaluate the degradation accuracy and quality images in relation TIFF format different compression level JPEG compared raw acquired by UAV platform. Experiments were carried out using DJI Mavic 2 Pro Hasselblad L1D-20c camera on three test sites. Post-processing was performed software based structure from motion multi-view stereo approaches. results show a slight influence image levels flat or slightly surfaces; case complex 3D model, instead, choice became...

The aim of this article is to provide a dedicated approach the realisation CityGML model for valorisation and conservation existing cultural heritage. In particular, ancient city Taranto (Italy), several levels details (LODs) have been built. models in LOD1 most representative periods were realised, which characterised by urban changes from mid-1800s until today. To achieve aim, great importance was devoted process integration different file formats. A geographic information system (GIS) has...

The manuscript intends to describe different methodologies for the acquisition, data processing, and identification of strategies aimed at improving quality 3D point cloud production using latest-generation sensors in field cultural heritage surveying. clouds taken into consideration were acquired by passive active on Buziaș site, an important historical architectural structure Romania. In particular, a spherical camera (Ricoh Theta Z1) was used order obtain video; subsequently, starting...

The use of Structure-from-Motion (SfM) and Multi-View-Stereo (MVS) approaches to build 3D models structures belonging the Cultural Heritage environment is becoming more widespread. Due big dimensions digital aerial images generated by airborne sensors and, consequently, computation problems, these were rarely used for construction through SfM-MVS approach. In addition, values overlap in traditional surveys would lead a geometry acquisition that quite weak. For reasons, approach was limited....

The purpose of this paper is to identify the burned areas that occurred in Italy during summer 2017 using change detection analysis techniques. This task possible thanks continuous, free and open availability multispectral images obtained by Sentinel-2 satellites. Indeed, comparing satellite same scene recorded at different times, it was evaluate landscape change. In paper, Direct Comparison technique applied identification area several Remote Sensing indexes. particular, order achieve aim,...

The aim of the paper is to analyse performance Neural Radiance Field (NeRF) algorithm, implemented in Instant-NGP software, for photogrammetric purposes. To achieve this aim, several datasets with different characteristics were analysed, taking into account object size, image acquisition technique and geometric configuration images. NeRF algorithm proved be effective construction 3D models; other words, it was possible obtain realistic models a detailed manner very quickly, even rather weak...

The use of optical satellite sensors allows to obtain bathymetry data on large area ina short time and in a cheap way. In addition, particular places where it is difficult carry out the survey by classic methods, from can be only mode depth backdrop. So, aim this research paper analyse potential eight bands very high resolution commercial WorldView-3 (WV-3) order bathymetric data. Using WV-3 Stumpf method, intends investigate possibility obtaining specific water not particularly clear. To...