Results 21 to 30 of about 539,242 (290)

Analysis of torsional stability and the dynamical characteristics of electromechanical systems

open access: yesAdvances in Mechanical Engineering, 2017
Electromechanical couplings have been reported to play a crucial role in determining important behavior of nonlinear systems. In this study, we analyzed the nonlinear dynamic characteristics of the electromechanical coupling system.
Kai Chen, Jibin Hu, Zengxiong Peng
doaj   +1 more source

Polar-vision1: A Novel Collinearity Equation of Perspective Projection in Polar Coordinate System [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Progress has been made in the community of photogrammetry and 3d computer vision in addressing the mathematical challenge posed by the collinearity equation.
Z. Zuo, Z. Zuo, Z. Zuo, B. Zhang
doaj   +1 more source

Adjustment of fisheye distortion images of coal mine

open access: yesGong-kuang zidonghua, 2016
For distortion problem of fisheye images collected by video monitoring system of coal mine, an automatic obtaining method of adjustment parameters was put forward based on image content according to line constrain of ideal spherical perspective ...
WANG Yong   +3 more
doaj   +1 more source

HOPIS: Hybrid Omnidirectional and Perspective Imaging System for Mobile Robots

open access: yesSensors, 2014
In this paper, we present a framework for the hybrid omnidirectional and perspective robot vision system. Based on the hybrid imaging geometry, a generalized stereo approach is developed via the construction of virtual cameras. It is then used to rectify
Huei-Yung Lin, Min-Liang Wang
doaj   +1 more source

The drawing of the diorama of Le Corbusier and Pierre Jeanerette in 1922

open access: yesEGA, 2014
The drawing of the contemporary city for 3 million inhabitants, elaborated by Le Corbusier and Pierre Jeanneret in 1922, in time, has become the canonic image of the project.
Víctor Velásquez
doaj   +1 more source

Research on the Bolt Positioning System Based on Multieye Vision Industrial Robots

open access: yesShock and Vibration, 2022
In order to improve the accuracy of bolt positioning for industrial robots, this paper studies the bolt positioning system of industrial robots combined with multieye vision technology. This paper introduces three reconstruction algorithms ART, SIRT, and
Jun Kong   +4 more
doaj   +1 more source

PROBLEMS OF FORMATION OF FINANCIAL-INVESTMENT PROJECTION OF A BALANCED SCORECARD IN VALUE-BASED ENTERPRISES OF MINING-METALLURGICAL COMPLEX

open access: yesФінансово-кредитна діяльність: проблеми теорії та практики, 2021
. The directions of improving the methodical principles of Balanced Scorecard as a system of strategic enterprise management have been highlighted. The need to avoid the simplified mechanistic dividing of the indicators into financial and non-financial ...
S. Faizova   +3 more
doaj   +1 more source

Project Interdependency Management in IT/IS Project Portfolios: From a Systems Perspective

open access: yesProcedia Computer Science, 2016
AbstractCapitalizing on inter-project interdependencies is widely accepted as being crucial for Information Technology/Information Systems (IT/IS) project portfolio success. However, handling these interdependencies becomes a source of increased management complexity as project portfolios get larger, increasingly diverse, and are much influenced by ...
Bathallath, Sameer   +2 more
openaire   +1 more source

Occluded Street Objects Perception Algorithm of Intelligent Vehicles Based on 3D Projection Model

open access: yesJournal of Advanced Transportation, 2018
We present a super perception system of intelligent vehicles for perceiving occluded street objects by collecting images from neighbor front vehicles V2V (vehicle to vehicle) video streams based on 3D projection model.
Wei Liu, Longsheng Wei, Yongbo Li
doaj   +1 more source

Inverse perspective in Cézanne's art [PDF]

open access: yesFME Transactions, 2017
In a special way, 'Cézanne's wedge' allows the model of inverse perspective to be used for the representation of space and objects in painting. As a bridge between the ancient style of 'dividing' construction and Renaissance perspective, inverse ...
Marcikić Ivana J.   +1 more
doaj  

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