Results 71 to 80 of about 1,277,276 (186)

Action Recognition Based on Two-Stream Convolutional Networks With Long-Short-Term Spatiotemporal Features

open access: yesIEEE Access, 2020
Human action recognition is an important research topic in the field of computer vision due to its application values. Recently, a variety of approaches based on deep learning features have been proposed due to the effectiveness of deep neural networks ...
Yanqin Wan   +3 more
doaj   +1 more source

Decomposition of optical flow on the sphere [PDF]

open access: yesGEM - International Journal on Geomathematics, 2014
The final publication is available at link.springer ...
Kirisits, Clemens   +2 more
openaire   +3 more sources

Selectivity to approaching motion in retinal inputs to the dorsal visual pathway

open access: yeseLife, 2020
To efficiently navigate through the environment and avoid potential threats, an animal must quickly detect the motion of approaching objects. Current models of primate vision place the origins of this complex computation in the visual cortex.
Todd R Appleby, Michael B Manookin
doaj   +1 more source

Inviscid Flow Field Effects: Experimental results [PDF]

open access: yes, 1980
The aero-optical distortions due to invisid flow effects over airborne laser turrets is investigated. Optical path differences across laser turret apertures are estimated from two data sources.
Gilbert, K. G., Otten, L. J., III
core   +1 more source

Morphing a Stereogram into Hologram

open access: yesJournal of Imaging, 2020
We developed a method to transform stereoscopic two-dimensional (2D) images into holograms via unsupervised morphing deformations between left (L) and right (R) input images.
Enrique Canessa, Livio Tenze
doaj   +1 more source

Unsupervised Deep Epipolar Flow for Stationary or Dynamic Scenes

open access: yes, 2022
Unsupervised deep learning for optical flow computation has achieved promising results. Most existing deep-net based methods rely on image brightness consistency and local smoothness constraint to train the networks. Their performance degrades at regions
Dai, Yuchao   +4 more
core  

Influence of phosphorus doping on hydrogen content and optical losses in PECVD silicon oxynitride [PDF]

open access: yes, 2005
PECVD Phosphorus-doped silicon oxynitride layers (n=1.5) were deposited from N2O, 2%SiH4/N2, NH3 and 5%PH3/Ar gaseous mixtures. Chemical bonds were determined by Fourier transform infrared spectroscopy. N–H bond concentration of the layers decreased from
Driessen, A.   +3 more
core   +1 more source

Self-Supervised Pre-Training for Optical Flow Estimation via Contrastive Learning

open access: yesIEEE Access
To address the issues of dataset dependency and correlation volume redundancy in optical flow estimation, contrastive learning is introduced to build a self supervised optical flow framework.
Feng An, Wenyin Tao
doaj   +1 more source

Drone SLAM using TDOA-RSS signal with applied EKF on PF data [PDF]

open access: yesFME Transactions, 2019
This paper describes the integration of Particle filter data earlier recorded in simulation and tested in real-time scenario. Those data are parsed from beacon listener using TDOA-RSS inverse method.
Šoštarić Damir, Mester Gyula
doaj  

Horn-Schunck Optical Flow with a Multi-Scale Strategy

open access: yesImage Processing On Line, 2013
The seminal work of Horn and Schunck is the first variational method for optical flow estimation. It introduced a novel framework where the optical flow is computed as the solution of a minimization problem.
Enric Meinhardt-Llopis   +2 more
doaj  

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