Results 11 to 20 of about 12,001 (219)

Novel transfer learning approach for hand drawn mathematical geometric shapes classification [PDF]

open access: yesPeerJ Computer Science
Hand-drawn mathematical geometric shapes are geometric figures, such as circles, triangles, squares, and polygons, sketched manually using pen and paper or digital tools. These shapes are fundamental in mathematics education and geometric problem-solving,
Aneeza Alam   +6 more
doaj   +2 more sources

Real-time geometry-aware augmented reality in minimally invasive surgery

open access: yesHealthcare Technology Letters, 2017
The potential of augmented reality (AR) technology to assist minimally invasive surgery (MIS) lies in its computational performance and accuracy in dealing with challenging MIS scenes.
Long Chen, Wen Tang, Nigel W. John
doaj   +1 more source

THE COMBINATION OF TERRESTRIAL LIDAR AND UAV PHOTOGRAMMETRY FOR INTERACTIVE ARCHITECTURAL HERITAGE VISUALIZATION USING UNITY 3D GAME ENGINE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
The digital 3D documentation of architectural heritage using advanced 3D measurement technologies such as UAV photogrammetry and terrestrial LiDAR (TLS) becomes a potential and efficient method since it can produce 3D pointclouds in detail and high ...
R. Andaru   +7 more
doaj   +1 more source

Surveying Reality (SurReal): Software to Simulate Surveying in Virtual Reality

open access: yesISPRS International Journal of Geo-Information, 2021
Experiential learning through outdoor labs is an integral component of surveying education. Cancelled labs as a result of weather, the inability to visit a wide variety of terrain location, recent distance education requirements create significant ...
Dimitrios Bolkas   +3 more
doaj   +1 more source

A Geometric Clustering Tool (AGCT) to robustly unravel the inner cluster structures of time-series gene expressions.

open access: yesPLoS ONE, 2020
Systems biology aims at holistically understanding the complexity of biological systems. In particular, nowadays with the broad availability of gene expression measurements, systems biology challenges the deciphering of the genetic cell machinery from ...
Richard Nock   +12 more
doaj   +1 more source

Data pre-processing to increase the quality of optical text recognition systems

open access: yesРадіоелектронні і комп'ютерні системи, 2021
The subject of study in the article is the formulation of a modern concept of improving the quality of work of optical recognition systems by using a set of various algorithms for preprocessing document images at the user's discretion.
Konstantin Dergachov   +3 more
doaj   +1 more source

Symmetries of the equilateral triangle mediated by geogebra: a proposal for training rural mathematics teachers

open access: yesJournal of Advanced Sciences and Mathematics Education
Background: The equilateral triangle is a fundamental object in geometry, notable for its symmetrical properties, which are best understood through dynamic visualization.
Paulo Vitor da Silva Santiago   +2 more
doaj   +1 more source

Experimental & FEM Analysis of Orthodontic Mini-Implant Design on Primary Stability

open access: yesApplied Sciences, 2021
The main objective of this research is to establish a connection between orthodontic mini-implant design, pull-out force and primary stability by comparing two commercial mini-implants or temporary anchorage devices, Tomas®-pin and Perfect Anchor.
Elmedin Mešić   +6 more
doaj   +1 more source

Building Information and Physical Model: A Novel Form of Information Description for Buildings

open access: yes中国工程科学, 2023
Information is the core element to drive human‒cyber‒physical collaborations and promote the orderly operation of building activities in the entire lifecycle of buildings.
Yang Qiliang, Xing Jianchun
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

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