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A feasibility study on incremental bundle adjustment with fisheye images and low-cost sensors
(2019-01-01)
Low cost imaging and positioning sensors are opening new frontiers for applications in near real-time Photogrammetry. Omnidirectional cameras acquiring images with 360° coverage, when combined with information coming from ...
A portable mobile terrestrial system with omnidirectional camera for close range applications
(Universidade Estadual Paulista (Unesp), 2019-03-13)
This research proposes a new technique for close-range mobile data acquisition and processing, consisting of a backpacked light-weight low-cost system. This system integrates an omnidirectional camera and a GPS/IMU system ...
On the improvement of three-dimensional reconstruction from large datasets
(Universidade Federal de Minas GeraisUFMG, 2016-03-30)
The advent of digital cameras heralded many possibilities of structure and shape recovery from imagery that are quickly and inexpensively acquired by such devices. Throughout the years numerous techniques have emerged, and ...
Real time dense tracking and mapping using a monocular camera
(Universidad del ValleColombiaFACULTAD DE INGENIERÍADOCTORADO EN INGENIERÍA-ÉNFASIS EN INGENIERÍA ELÉCTRICA Y ELECTRÓNICA, 2018)
Algorithms for localization and map building (Simultaneous Localization and Mapping, SLAM) estimate the robot pose when it wanders an unknown environment and at the same time build a map of this environment in an incremental ...
Eficiencia en el uso y adquisición de fósforo en plantas de maíz y soja: participación del óxido nítrico
(2019-03-25)
El fósforo (P) es un macronutriente con funciones regulatorias y estructurales, esencial para la transferencia de energía. Bajo condiciones de escasa disponibilidad de este nutriente, las plantas responden ajustando sus ...