Results 21 to 30 of about 44,608 (313)

Simultaneous localization and map-building using active vision [PDF]

open access: yes, 2002
An active approach to sensing can provide the focused measurement capability over a wide field of view which allows correctly formulated Simultaneous Localization and Map-Building (SLAM) to be implemented with vision, permitting repeatable long-term ...
D.W. Murray   +5 more
core   +1 more source

Robot Navigation in Dense Crowds: Statistical Models and Experimental Studies of Human Robot Cooperation [PDF]

open access: yes, 2013
This thesis explores the problem of mobile robot navigation in dense human crowds. We begin by considering a fundamental impediment to classical motion planning algorithms called the freezing robot problem: once the environment surpasses a certain level
Trautman, Peter
core   +1 more source

Hybrid Collaborative Stereo Vision System for Mobile Robots Formation

open access: yesInternational Journal of Advanced Robotic Systems, 2009
This paper presents the use of a hybrid collaborative stereo vision system (3D-distributed visual sensing using different kinds of vision cameras) for the autonomous navigation of a wheeled robot team.
Flavio Roberti   +4 more
doaj   +1 more source

Enhanced Single Shot Small Object Detector for Aerial Imagery Using Super-Resolution, Feature Fusion and Deconvolution

open access: yesSensors, 2022
One common issue of object detection in aerial imagery is the small size of objects in proportion to the overall image size. This is mainly caused by high camera altitude and wide-angle lenses that are commonly used in drones aimed to maximize the ...
Mahdi Maktab Dar Oghaz   +2 more
doaj   +1 more source

The optimal triangulation method is not really optimal

open access: yesIET Image Processing, 2023
Triangulation refers to the problem of finding a 3D point from its 2D projections on multiple images taken at different camera poses. For solving this problem, it is a common practice to use the so‐called optimal triangulation method. But, the method can
Seyed‐Mahdi Nasiri   +2 more
doaj   +1 more source

Towards Haptic-Based Dual-Arm Manipulation

open access: yesSensors, 2022
Vision is the main component of current robotics systems that is used for manipulating objects. However, solely relying on vision for hand−object pose tracking faces challenges such as occlusions and objects moving out of view during robotic manipulation.
Sri Harsha Turlapati, Domenico Campolo
doaj   +1 more source

A Novel Bioinspired Vision System: A Step toward Real-Time Human-Robot Interactions

open access: yesJournal of Robotics, 2011
Building a human-like robot that could be involved in our daily lives is a dream of many scientists. Achieving a sophisticated robot's vision system, which can enhance the robot's real-time interaction ability with the human, is one of the main keys ...
Abdul Rahman Hafiz   +2 more
doaj   +1 more source

Effective venue image retrieval using robust feature extraction and model constrained matching for mobile robot localization

open access: yes, 2011
This paper describes a novel system for mobile robot localization in an indoor environment, using concepts like homography and matching borrowed from the context of stereo and content-based image retrieval techniques (CBIR).
Jose, J.   +15 more
core   +1 more source

Multi-Focal Vision and Gaze Control Improve Navigation Performance

open access: yesInternational Journal of Advanced Robotic Systems, 2012
Multi-focal vision systems comprise cameras with various fields of view and measurement accuracies. This article presents a multi-focal approach to localization and mapping of mobile robots with active vision.
Kolja Kühnlenz, Martin Buss
doaj   +1 more source

Frailty Predicts Incident Osteoporotic Fractures in Veterans with Rheumatoid Arthritis

open access: yesArthritis Care &Research, Accepted Article.
Background/Objective Rheumatoid arthritis (RA) is associated with an increased risk of frailty and osteoporosis, but the relationship between frailty and incident osteoporotic fractures in RA is underexplored. Methods Data were from the Veterans Affairs Rheumatoid Arthritis (VARA) Registry.
Katherine D. Wysham   +14 more
wiley   +1 more source

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