Results 21 to 30 of about 1,178,916 (200)

FEASIBILITY OF SMARTPHONE BASED PHOTOGRAMMETRIC POINT CLOUDS FOR THE GENERATION OF ACCESSIBILITY MAPS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Accessible cities with accessible services are an old claim of people with reduced mobility. But this demand is still far away of becoming a reality as lot of work is required to be done yet.
E. Angelats, M. E. Parés, P. Kumar
doaj   +1 more source

The Multiband over Spatial Division Multiplexing Sliceable Transceiver for Future Optical Networks

open access: yesFuture Internet, 2023
In the last 15 years, global data traffic has been doubling approximately every 2–3 years, and there is a strong indication that this pattern will persist.
Laia Nadal   +4 more
doaj   +1 more source

AUTONOMOUS WHEELED ROBOT PLATFORM TESTBED FOR NAVIGATION AND MAPPING USING LOW-COST SENSORS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
This paper presents the concept of an architecture for a wheeled robot system that helps researchers in the field of geomatics to speed up their daily research on kinematic geodesy, indoor navigation and indoor positioning fields.
D. Calero, E. Fernandez, M. E. Parés
doaj   +1 more source

Carl Friedrich Gauss – General Theory of Terrestrial Magnetism – a revised translation of the German text [PDF]

open access: yesHistory of Geo- and Space Sciences, 2014
This is a translation of the Allgemeine Theorie des Erdmagnetismus published by Carl Friedrich Gauss in 1839 in the Resultate aus den Beobachtungen des Magnetischen Vereins im Jahre 1838.
K.-H. Glassmeier, B. T. Tsurutani
doaj   +1 more source

PERFORMANCE ANALYSIS OF FAST AT FOR CORRIDOR AERIAL MAPPING [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Nowadays most airborne photogrammetric and remote sensing systems are equipped with GNSS receivers and inertial sensors that allow the use of various orientation methods: from Direct Sensor Orientation (DiSO) to Integrated Sensor Orientation (ISO), all ...
M. Blázquez, I. Colomina
doaj   +1 more source

First Results of a Tandem Terrestrial-Unmanned Aerial mapKITE System with Kinematic Ground Control Points for Corridor Mapping

open access: yesRemote Sensing, 2017
In this article, we report about the first results of the mapKITE system, a tandem terrestrial-aerial concept for geodata acquisition and processing, obtained in corridor mapping missions.
Pere Molina   +3 more
doaj   +1 more source

TOWARDS A FAST, LOW-COST INDOOR MAPPING AND POSITIONING SYSTEM FOR CIVIL PROTECTION AND EMERGENCY TEAMS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Civil protection and emergency teams work usually under very risky conditions that endanger their lives. One of the factors contributing to such risks is the lack of knowledge about their physical environment, especially when working indoors.
E. Angelats, J. A. Navarro
doaj   +1 more source

A Flexible System-on-Chip Field-Programmable Gate Array Architecture for Prototyping Experimental Global Navigation Satellite System Receivers

open access: yesSensors, 2023
Global navigation satellite system (GNSS) technology is evolving at a rapid pace. The rapid advancement demands rapid prototyping tools to conduct research on new and innovative signals and systems.
Marc Majoral   +2 more
doaj   +1 more source

Coherent storage of temporally multimode light using a spin-wave atomic frequency comb memory

open access: yesNew Journal of Physics, 2013
We report on the coherent and multi-temporal mode storage of light using the full atomic frequency comb memory scheme. The scheme involves the transfer of optical atomic excitations in Pr ^3+ :Y _2 SiO _5 to spin waves in hyperfine levels using strong ...
M Gündoğan   +4 more
doaj   +1 more source

SIMULTANEOUS ORIENTATION AND CALIBRATION OF IMAGES AND LASER POINT CLOUDS WITH STRAIGHT SEGMENTS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
This paper presents a method based on the use of straight lines as tie features for simultaneous orientation and calibration of Frame Camera (FC) and Airborne Laser Scanner (ALS) images.
E. Angelats, M. Blázquez, I. Colomina
doaj   +1 more source

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