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Browsing by Subject "Terrestrial laser scanning"

Now showing items 1-20 of 20

Aprendizaje-servicio: creación de portal web y visita virtual mediante Unity del refugio antiaéreo del Ayuntamiento de València

Mas Bolufer, Josep (Universitat Politècnica de València, 2019-09-06)

[ES] El presente Trabajo Fin de Máster (TFM) pretende explicar el proceso seguido para la obtención de un portal web que incluye una visita virtual del Refugio Antiaéreo del Ayuntamiento de València. Este trabajo se ha ...
Archaeological anastylosis of two Macedonian tombs in a 3D virtual environment

Stampouloglou, Maria; Toska, Olympia; Tapinaki, Sevi; Kontogianni, Georgia; Skamantzari, Margarita; Georgopoulos, Andreas (Universitat Politècnica de València, 2020-01-28)

[EN] Archaeological restoration of monuments is a practice requiring extreme caution and thorough study. Archaeologists and conservation experts are very reluctant to proceed to restoration and indeed to reconstruction ...
Automatic orientation and 3D modelling from markerless rock art imagery

Lerma García, José Luis; Navarro Tarin, Santiago; Cabrelles López, Miriam; Seguí Gil, Ana Elena; Hernández López, David (Elsevier, 2013-02)

This paper investigates the use of two detectors and descriptors on image pyramids for automatic image orientation and generation of 3D models. The detectors and descriptors replace manual measurements and are used to ...
Changes in stream power and morphological adjustments at the event-scale and high spatial resolution along an ephemeral gravel-bed channel

Conesa-Garcia, Carmelo; Puig-Mengual, Carlos; Riquelme, Adrian; Tomás, Roberto; Martinez-Capel, Francisco; Garcia-Lorenzo, Rafael; Pastor, Jose L.; Perez-Cutillas, Pedro; Martinez-Salvador, Alberto; Cano-Gonzalez, Miguel (Elsevier, 2022-02-01)

[EN] Sediment budgets and morphological channel adjustments are closely related to changes in stream power. In ephemeral channels, whose geomorphic response depends on the magnitude and frequency of hydrological events ...
Characterizing understory vegetation in Mediterranean forests using full-waveform airborne laser scanning data

Crespo-Peremarch, Pablo; Tompalski, P.; Coops, N.C.; Ruiz Fernández, Luis Ángel (Elsevier, 2018)

[EN] The use of laser scanning acquired from the air, or ground, holds great potential for the assessment of forest structural attributes, beyond conventional forest inventory. The use of full-waveform airborne laser ...
Combining SfM Photogrammetry and Terrestrial Laser Scanning to Assess Event-Scale Sediment Budgets along a Gravel-Bed Ephemeral Stream

Conesa-García, Carmelo; Puig-Mengual, Carlos; Riquelme, Adrián; Tomás, Roberto; Martinez-Capel, Francisco; García-Lorenzo, Rafael; Pastor, José L.; Pérez-Cutillas, Pedro; Cano Gonzalez, Miguel (MDPI AG, 2020-11)

[EN] Stream power represents the rate of energy expenditure along a stream reach and can be calculated using topographic data acquired via structure-from-motion (SfM) photogrammetry and terrestrial laser scanning (TLS). ...
Comparing the generation of DTM in a forest ecosystem using TLS, ALS and UAV-DAP, and different software tools

Crespo-Peremarch, P.; Torralba, J.; Carbonell-Rivera, Juan Pedro; Ruiz Fernández, Luis Ángel (ISPRS, 2020-09-02)

[EN] Remote sensing and photogrammetry techniques have demonstrated to be an important tool for the characterization of forest ecosystems. Nonetheless, the use of these techniques requires an accurate digital terrain model ...
Digitally Developing Medieval Fortifications

Georgopoulos, Andreas; Skamantzari, Margarita; Tapinaki, Sevi (Editorial Universitat Politècnica de València, 2020-05-15)

[EN] Modern technological advances have enabled digital automated methods to be applied for accurate and detailed documentation. Such techniques include image based modelling and terrestrial laser scanning. They can ...
Documentación 3D y visualización multimedia de la Cova del Parpalló (Gandia)

Lerma García, José Luis; Cabrelles López, Miriam; Navarro Tarin, Santiago; Galcerá Ustero, Sergio (Universitat Politècnica de València, 2010-05-25)

[ES] La documentación tridimensional (3D) mediante la combinación de tecnologías de escaneado láser y de fotogrametría facilita el registro exhaustivo, la lectura correcta del objeto patrimonial y su análisis en aras de ...
Evaluación del uso de LiDAR discreto, full-waveform y TLS en la clasificación por composición de especies en bosques mediterráneos

Torralba, J.; Crespo-Peremarch, P.; Ruiz, L. A. (Universitat Politècnica de València, 2018-12-26)

[EN] LiDAR technology –airborne and terrestrial- is becoming more relevant in the development of forest inventories, which are crucial to better understand and manage forest ecosystems. In this study, we assessed a ...
Geometrical study of Middle Kingdom funerary complexes in Qubbet el-Hawa (Aswan, Egypt) based on 3D models

Mozas-Calvache, Antonio Tomás; Pérez-García, José Luis; Gómez-López, José Miguel (Universitat Politècnica de València, 2023-01-18)

[EN] This study describes the methodology developed and the main results obtained when analysing the geometrical behavior of three adjacent burial structures located in southern Egypt. The rock-cut tombs are composed of ...
Identifying Individual Rocks Within Laser Scans for a Rigorous Deformation Analysis of Water Dams

Wiedemann, Wolfgang; Holst, Christoph (Editorial Universitat Politècnica de València, 2023-01-27)

[EN] Water dams are an important infrastructure component for energy generation, water supply and flood control. Regular inspections of the structures for damage and deformation are necessary for safe operation and to ...
Investigation of space-continuous deformation from point clouds of structured surfaces

Ötsch, Elisabeth; Harmening, Corinna; Neuner, Hans (Editorial Universitat Politècnica de València, 2023-01-27)

[EN] One approach to estimate space-continuous deformation from point clouds is the parameter-based epochal comparison of approximating surfaces. This procedure allows a statistical assessment of the estimated deformations. ...
Latest developments in rock art recording: towards an integral documentation of Levantine rock art sites combining 2D and 3D recording techniques

Domingo Sanz, Inés; Villaverde, Valentín; López Montalvo, Esther; Lerma García, José Luis; Cabrelles López, Miriam (Elsevier, 2013-04)

This paper presents a further step in the integral documentation of prehistoric rock art, combining 2D and 3D digital recording techniques. Image processing and digital enhancement techniques are an invaluable aid to obtain ...
Modelado fotorrealístico 3D a partir de procesos fotogramétricos: láser escáner versus imagen digital

Lerma García, José Luis; Cabrelles López, Miriam; Navarro Tarin, Santiago; Seguí Gil, Ana Elena (Dirección General de Bienes Culturales de la Comunidad Autónoma de la Región de Murcia, 2013)

[ES] La documentación del patrimonio en dos y tres dimensiones es una labor que, desde hace tiempo, ha venido realizándose satisfactoriamente mediante soluciones fotogramétricas. A día de hoy, las nuevas tecnologías abren ...
Photo-realistic 3D modelling of sculptures on open-air museums

Duca, Francesca; Cabrelles López, Miriam; Navarro Tarin, Santiago; Seguí Gil, Ana Elena; Lerma García, José Luis (České vysoké učení technické v Praze (Czech Technical University in Prague), 2011)

[EN] Laser scanning is a high-end technology with possibilities far ahead the well-known civil engineering and industrial applications. The actual geomatic technologies and methodologies for cultural heritage documentation ...
Processing and analysis of airborne full-waveform laser scanning data for the characterization of forest structure and fuel properties

Crespo-Peremarch, P.; Ruiz, L. A. (Universitat Politècnica de València, 2020-12-28)

[EN] This PhD thesis addresses the development of full-waveform airborne laser scanning (ALSFW) processing and analysis methods to characterize the vertical forest structure, in particular the understory vegetation. In ...
Range-based versus automated markerless image-based techniques for rock art documentation

Lerma García, José Luis; Navarro Tarin, Santiago; Seguí Gil, Ana Elena; Cabrelles López, Miriam (Wiley: 12 months, 2014-03)

Nowadays there is a huge proliferation of fully automatic image-based solutions producing either three-dimensional (3D) point clouds or 3D models. However, the reliability of the output is not usually reported and ...
Remote Sensing and UAVs for the Geomorphological and Habitat Analysis in Ephemeral and Permanent Mediterranean Streams

Puig Mengual, Carlos Antonio (Universitat Politècnica de València, 2021-11-29)

[ES] Los ecosistemas riparios presentan una gran variabilidad, desde un punto de vista geomorfológico como hidrológico y ecológico, incluyendo las complejas interacciones que la morfología y la vegetación de ribera puede ...
Selected aspects of geometrical analyses of surfaces measured using terrestrial laser scanning (TLS)

Zaczek-Peplinska, Janina; Kowalska, Maria; Ryczko, Krystian; Sekular, Cezary (Editorial Universitat Politècnica de València, 2023-01-27)

[EN] Modern measurement technologies are widely used for the monitoring and determination of surface deformations. One more frequently used measurement technology is terrestrial laser scanning (TLS), which provides ...