Results 31 to 40 of about 3,811,747 (317)

Reconstruction of Cylindrical Surfaces Using Digital Image Correlation

open access: yesSensors, 2018
A technique for the reconstruction of cylindrical surfaces using optical images with an extension of least squares matching is presented. This technique is based on stereo-image acquisition of a cylindrical object, and it involves displacing the camera ...
Adilson Berveglieri   +1 more
doaj   +1 more source

Non-Geometric Fluxes in Supergravity and Double Field Theory [PDF]

open access: yes, 2012
In this paper we propose ten-dimensional realizations of the non-geometric fluxes Q and R. In particular, they appear in the NSNS Lagrangian after performing a field redefinition that takes the form of a T-duality transformation.
Andriot, David   +4 more
core   +1 more source

Video Source Identification Algorithm Based on 3D Geometric Transformation

open access: yesComputer systems science and engineering, 2020
Digital video has become one of the most preferred ways for people to share information. Considering people tend to release illegal information in anonymous way, the problem of video source identification attracts more and more attention as an important ...
Jian Li   +5 more
semanticscholar   +1 more source

Robust Object Tracking Using Affine Transformation and Convolutional Features

open access: yesIEEE Access, 2019
The state-of-the-art trackers using deep learning technology have no special strategy to capture the geometric deformation of the target. Based on that the affine manifold can better capture the target shape change and that the higher level of ...
Yinghong Xie, Jie Shen, Chengdong Wu
doaj   +1 more source

DRCS-SR: Deep Robust Compressed Sensing for Single Image Super-Resolution

open access: yesIEEE Access, 2020
Compressed sensing (CS) represents an efficient framework to simultaneously acquire and compress images/signals while reducing acquisition time and memory requirements to process or transmit them.
Hossam M. Kasem   +3 more
doaj   +1 more source

Mathematical ability of Bugis community in designing Lipa' Sabbe of Sengkang

open access: yesJournal of Research and Advances in Mathematics Education, 2023
This research is an ethnomathematical research that aims to explore the mathematical abilities of the Bugis people in weaving the lipa’ sabbe. This study applies a qualitative method with an ethnographic approach.
Zulfiqar Busrah   +3 more
doaj   +1 more source

Geometric hydrodynamics via Madelung transform [PDF]

open access: yesProceedings of the National Academy of Sciences, 2018
Significance Geometry has always played a fundamental role in theoretical physics via symmetries and conservation laws. We present a geometric framework revealing a closer link between hydrodynamics and quantum mechanics than previously recognized.
Boris Khesin   +2 more
openaire   +4 more sources

Geometric representation of the Galilean transformation

open access: yesResults in Physics, 2022
Galilean transformation is a set of equations in Galilean relativity that relate the space and time coordinates of two reference frames moving at a constant velocity to each other.
Shukri Klinaku
doaj   +1 more source

GEOMETRIC ENHANCEMENT OF THE OPENSTREETMAP ROAD NETWORK [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
OpenStreetMap (OSM) is a collaborative project to create a free and editable map of the world. You can think of OSM as the 'Wikipedia' of cartography. An important geospatial component of this database is the road network quality, which is important for ...
F. Z. Belhouari   +2 more
doaj   +1 more source

The Nesterov-Todd Direction and its Relation to Weighted Analytic Centers [PDF]

open access: yes, 2003
The subject of this report concerns differential-geometric properties of the Nesterov-Todd search direction for linear optimization over symmetric cones. In particular, we investigate the rescaled asymptotics of the associated flow near the central path.
Hauser, Raphael
core   +2 more sources

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