Results 11 to 20 of about 28,458 (156)

Augmented reality strategy as a didactic alternative in rural public schools in Colombia

open access: yesComputer Applications in Engineering Education, Volume 31, Issue 3, Page 552-573, May 2023., 2023
Abstract There are access restrictions to the technologies of the Fourth Industrial Revolution for rural schools in Colombia. These schools, with few students and teachers geographically dispersed, do not benefit from the possibilities of these technologies in the classroom.
Jhon W. Sánchez‐Obando   +1 more
wiley   +1 more source

Decay stages of Jurassic wood debris from Scotland: evidence for the coevolution of fungal rot, arthropods and the nurse log strategy. [PDF]

open access: yesNew Phytol
Summary A key feature of extant conifer forests is the high percentage of seeds that germinate and establish on dead wood; in some forests, this can exceed 90%. This deadwood can act as an ideal nursery for young tree species, leading to this type of seedbed being termed ‘nurse logs’.
Sagasti AJ   +3 more
europepmc   +2 more sources

Sterile pyogranuloma syndrome in a dog successfully treated with immunosuppressive therapy and reconstructive seed grafting

open access: yesVeterinary Dermatology, Volume 33, Issue 5, Page 454-458, October 2022., 2022
This report describes a case of sterile pyogranuloma syndrome managed with immunomodulatory therapy and seed skin grafting. Seed skin grafting can be considered as part of a multimodal treatment approach for cutaneous defects caused by ulcerative immune‐mediated diseases where secondary intention healing is delayed or contraindicated, and other forms ...
Hilary H. Chan   +4 more
wiley   +1 more source

An Improved Multi‐Task Pointwise Network for Segmentation of Building Roofs in Airborne Laser Scanning Point Clouds

open access: yesThe Photogrammetric Record, Volume 37, Issue 179, Page 260-284, September 2022., 2022
Zhang et al. propose an improved multi‐task pointwise network to simultaneously segment instances (that is, individual roof planes) and semantics (that is, groups of roof planes with similar geometric shapes) in point clouds. A new roof data‐set (called RoofNTNU) is established by taking standard airborne laser scanning (ALS) point clouds as training ...
Chaoquan Zhang, Hongchao Fan
wiley   +1 more source

Exploiting Light Directionality for Image‐Based 3D Reconstruction of Non‐Collaborative Surfaces

open access: yesThe Photogrammetric Record, Volume 37, Issue 177, Page 111-138, March 2022., 2022
The paper investigates the effect of light directionality and the fusion of multiple images to improve the quality of photogrammetric 3D reconstruction of complex surfaces (textureless and shiny). We present an image capturing system that utilizes multiple light sources to highlight roughness which is not visible in traditional diffuse images ...
Ali Karami   +3 more
wiley   +1 more source

Automated calibration of smartphone cameras for 3D reconstruction of mechanical pipes

open access: yesThe Photogrammetric Record, Volume 36, Issue 174, Page 124-146, June 2021., 2021
A framework for the laboratory calibration of smartphone cameras is proposed, introducing new methods for: (i) matching calibration targets; (ii) adjusting target eccentricity error without object‐space target information; and (iii) improving the calibration using a free‐network self‐calibrating bundle adjustment.
Reza Maalek, Derek D. Lichti
wiley   +1 more source

Experimental validation of a three‐dimensional modulation format for data transmission in RGB visible light communication systems

open access: yesIET Communications, Volume 15, Issue 2, Page 279-288, 17 January 2021., 2021
Abstract Transmission of three‐dimensional (3D) orthogonal frequency division multiplexing (OFDM) signals over red, green and blue (RGB) visible light communication (VLC) systems is proposed and experimentally validated. The novel 3D modulation format aims to overcome the different luminous response of RGB light‐emitting diodes at the same driving ...
Jose L. Henao Rios   +3 more
wiley   +1 more source

Luz estructurada en la reconstrucción digital de detalles arquitectónicos

open access: yesEGA, 2018
El interés en la catalogación del patrimonio histórico ha supuesto un creciente desarrollo de las técnicas de escaneado en tres dimensiones en los últimos años.
Carlos León Robles   +2 more
doaj   +1 more source

Total tumour volume as a prognostic factor in patients with resectable colorectal cancer liver metastases

open access: yesBJS Open, Volume 4, Issue 3, Page 456-466, June 2020., 2020
This study investigated whether the total tumour volume (TTV) of colorectal liver metastases could predict patient survival after hepatic resection. Associations were identified between TTV and recurrence‐free survival, overall survival and unresectable recurrence after primary hepatic resection.
K. Tai   +13 more
wiley   +1 more source

Rigor Mortis and News obtained by the Body\u2019s Scientific Reconstruction of the Turin Shroud Man [PDF]

open access: yes, 2018
After various tentative to artistically build a tridimensional form of the Turin Shroud (TS) Man, the authors faced the problem of the scientific construction of a 3D model of this Man with an accuracy of the order of 1 cm.
Bevilacqua, Matteo   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy