Results 21 to 30 of about 116,296 (308)

ANALYSIS OF COMMON QUALITY PROBLEMS IN COORDINATE TRANSFORMATION BETWEEN REFERENCE COORDINATE SYSTEM AND GEOCENTRIC COORDINATE SYSTEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
In the working of the existing reference coordinate system transformed into the coordinate system of the geocentric coordinate system, many experts and scholars have in-depth research on the transformation methods such as geodetic control point results ...
X. Zhang, J. Zhang, L. Zhang, J. Liu
doaj   +1 more source

Development of Quick Three-Dimensional Shape Measurement Projection Mapping System Using a Whole-Space Tabulation Method

open access: yesApplied Sciences, 2019
A grating projection method is often used as a highly accurate 3D shape measurement method. A real-time 3D shape measurement system can also be applied to measure a wide and smooth curved surface, such as in sheet metal processing.
Sodai Suzuki   +4 more
doaj   +1 more source

Grid Model for High-accuracy Coordinate Transformation of China Geodetic Coordinate System 2000 [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2019
After implementing CGCS2000, establishing grid models for high-accuracy coordinate transformation which are mainly used to transform border lines and coordinate grids of topographic maps becomes an important issue in mapping applications. Consequently, a
Zhiping LU,Ziqing WEI,Jun LI,Chong GUO
doaj   +1 more source

Monitoring Zenithal Total Delays over the three different climatic zones from IGS GPS final products: A comparison between the use of the VMF1 and GMF mapping functions

open access: yesGeodesy and Geodynamics, 2019
The International GNSS Service (IGS) final products (ephemeris and clocks-correction) have made the GNSS an indispensable low-cost tool for scientific research, for example sub-daily atmospheric water vapor monitoring.
Benachour Labib   +4 more
doaj   +1 more source

A Method of Calculating Principal Stress Trajectories in Powder and Porous Materials Obeying a Piece-wise Linear Yield Criterion

open access: yesMATEC Web of Conferences, 2018
The present paper deals with the system of equations comprising the pyramid yield criterion together with the stress equilibrium equations under plane strain conditions.
Alexandrov Sergei   +2 more
doaj   +1 more source

NeuMap: Neural Coordinate Mapping by Auto-Transdecoder for Camera Localization

open access: yes, 2023
This paper presents an end-to-end neural mapping method for camera localization, dubbed NeuMap, encoding a whole scene into a grid of latent codes, with which a Transformer-based auto-decoder regresses 3D coordinates of query pixels.
Tan, Ping   +4 more
core   +2 more sources

Comparing different stimulus configurations for population receptive field mapping in human fMRI.

open access: yes, 2015
Population receptive field (pRF) mapping is a widely used approach to measuring aggregate human visual receptive field properties by recording non-invasive signals using functional MRI.
Chris A. Clark   +9 more
core   +1 more source

Accurate Nonlinear Mapping between MNI Volumetric and FreeSurfer Surface Coordinate Systems

open access: yes, 2018
The results of most neuroimaging studies are reported in volumetric (e.g., MNI152) or surface (e.g., fsaverage) coordinate systems. Accurate mappings between volumetric and surface coordinate systems can facilitate many applications, such as projecting ...
Gia H. Ngo   +7 more
core   +2 more sources

Visualizing mapping as pedagogy for literacy futures

open access: yesJournal of Curriculum Theorizing, 2020
In this article, the authors explore mapping as a pedagogical approach. Drawn from two literacy classrooms, the authors report on five empirical examples of mapping, elucidating the ways in which mapping activities were sites of dynamic meaning-making ...
Amélie Lemieux   +3 more
doaj   +1 more source

From Orchestration to Choreography through Contract Automata [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
We study the relations between a contract automata and an interaction model. In the former model, distributed services are abstracted away as automata - oblivious of their partners - that coordinate with each other through an orchestrator.
Davide Basile   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy