Results 21 to 30 of about 1,275,998 (334)

Optical network technologies for future digital cinema [PDF]

open access: yes, 2016
Digital technology has transformed the information flow and support infrastructure for numerous application domains, such as cellular communications.
Kaleem, Mohammad, Nazir, Sajid
core   +4 more sources

Individuality of a group: detailed walking ability analysis of broiler flocks using optical flow approach

open access: yesSmart Agricultural Technology, 2023
Impaired walking ability is one of the most important factors affecting broiler welfare. Routine monitoring of walking ability provides insights in the welfare status of a flock and assists farmers in taking remedial measures at an early stage.
Jerine A.J. van der Eijk   +5 more
doaj   +1 more source

Optical Flow on Evolving Surfaces with an Application to the Analysis of 4D Microscopy Data [PDF]

open access: yes, 2013
We extend the concept of optical flow to a dynamic non-Euclidean setting. Optical flow is traditionally computed from a sequence of flat images. It is the purpose of this paper to introduce variational motion estimation for images that are defined on an ...
A. Imiya   +11 more
core   +1 more source

Application of Optical Flow Technique and Photogrammetry for Rockfall Dynamics: A Case Study on a Field Test

open access: yesRemote Sensing, 2021
Optical flow is a vision-based approach that is used for tracking the movement of objects. This robust technique can be an effective tool for determining the source of failures on slope surfaces, including the dynamic behavior of rockfall.
Dong-Hyun Kim, Ivan Gratchev
doaj   +1 more source

Flow-scanning optical tomography [PDF]

open access: yesLab Chip, 2014
We present a 3D tomography technique for in vivo observation of microscopic samples.
Nicolas C, Pégard   +3 more
openaire   +2 more sources

The essential role of optical flow in the peripheral visual field for stable quiet standing: Evidence from the use of a head-mounted display. [PDF]

open access: yesPLoS ONE, 2017
It has long been thought that vision is the most essential factor in maintaining stable quiet standing compared to other sources (i.e., vestibular and somatosensory inputs) of information.
Kentaro Horiuchi   +2 more
doaj   +1 more source

Remote Sensing of Aerated Flows at Large Dams: Proof of Concept

open access: yesRemote Sensing, 2021
Dams are important for flood mitigation, water supply, and hydroelectricity. Every dam has a water conveyance structure, such as a spillway, to safely release extreme floods when needed. The flows down spillways are often self-aerated and spillway design
Matthias Kramer, Stefan Felder
doaj   +1 more source

Optic Flow

open access: yesScholarpedia, 2013
Optic flow refers to the image motion of the environment projected on the retina during our movement in the world. The term was first coined by James J. Gibson and played a key role in the development of the ecological approach to visual perception, an approach that emphasizes studying human perception in the natural environment rather than in a ...
openaire   +4 more sources

Application of optical flow method in metro train speed measurement

open access: yes机车电传动, 2022
Subway speed is an important parameter of train control system. The traditional subway speed measurement methods have some defects. In this paper, a new method of subway speed measurement by using the optical flow method in image processing was explored,
LYU Hongqiang   +5 more
doaj  

No Evidence That Frontal Optical Flow Affects Perceived Locomotor Speed and Locomotor Biomechanics When Running on a Treadmill

open access: yesApplied Sciences, 2019
We investigated how the presentation and the manipulation of an optical flow while running on a treadmill affect perceived locomotor speed (Experiment 1) and gait parameters (Experiment 2).
Martina Caramenti   +5 more
doaj   +1 more source

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