Results 31 to 40 of about 1,461,530 (380)

Millimeter Wave Base Stations with Cameras: Vision-Aided Beam and Blockage Prediction [PDF]

open access: yesIEEE Vehicular Technology Conference, 2019
This paper investigates a novel research direction that leverages vision to help overcome the critical wireless communication challenges. In particular, this paper considers millimeter wave (mmWave) communication systems, which are principal components ...
Muhammad Alrabeiah   +2 more
semanticscholar   +1 more source

Stable stitching method for stereoscopic panoramic video

open access: yesCAAI Transactions on Intelligence Technology, 2018
This paper proposes a stable method of generating a stereoscopic panoramic video with the omnidirectional stereo (ODS) format. Different from the traditional image stitching method which can only be applied to generate a monocular panorama, we adopt an ...
Zhuo Tan, Shenghao Zhang, Ronggang Wang
doaj   +1 more source

Generalised deep learning model for semi-automated length measurement of fish in stereo-BRUVS

open access: yesFrontiers in Marine Science, 2023
Assessing the health of fish populations relies on determining the length of fish in sample species subsets, in conjunction with other key ecosystem markers; thereby, inferring overall health of communities.
Daniel Marrable   +7 more
doaj   +1 more source

Autocalibration with the Minimum Number of Cameras with Known Pixel Shape [PDF]

open access: yes, 2014
In 3D reconstruction, the recovery of the calibration parameters of the cameras is paramount since it provides metric information about the observed scene, e.g., measures of angles and ratios of distances.
A. Heyden   +38 more
core   +3 more sources

Social Learning with Mobile Devices in Preschool Classrooms [PDF]

open access: yesEuropean Journal of STEM Education, 2018
How do prosocial sharing behaviours of preschool-aged children progress or diminish when interacting with mobile devices? Participants include five children (ages 3-4) within a preschool setting in Vancouver, British Columbia.
Rachel Ralph, Stephen Petrina
doaj   +1 more source

General Dynamic Scene Reconstruction from Multiple View Video [PDF]

open access: yes, 2015
This paper introduces a general approach to dynamic scene reconstruction from multiple moving cameras without prior knowledge or limiting constraints on the scene structure, appearance, or illumination.
Guillemaut, Jean-Yves   +3 more
core   +2 more sources

Color Properties at the Mars InSight Landing Site

open access: yesEarth and Space Science, 2021
The color properties observed at the InSight landing site by the lander cameras are spectral mixtures of two source materials: gray‐black rocky material with chromaticity values of x = 0.32, y = 0.32 (standard deviations of σx = 0.02 and σy = 0.03) and ...
J. N. Maki   +7 more
doaj   +1 more source

Stereo DSO: Large-Scale Direct Sparse Visual Odometry with Stereo Cameras [PDF]

open access: yesIEEE International Conference on Computer Vision, 2017
We propose Stereo Direct Sparse Odometry (Stereo DSO) as a novel method for highly accurate real-time visual odometry estimation of large-scale environments from stereo cameras.
Rui Wang, M. Schwörer, D. Cremers
semanticscholar   +1 more source

Marker-less real-time intra-operative camera and hand-eye calibration procedure for surgical augmented reality

open access: yesHealthcare Technology Letters, 2019
Accurate medical Augmented Reality (AR) rendering requires two calibrations, a camera intrinsic matrix estimation and a hand-eye transformation. We present a unified, practical, marker-less, real-time system to estimate both these transformations during ...
Megha Kalia   +4 more
doaj   +1 more source

Low power CMOS iImage sensor for face recognition [PDF]

open access: yes, 2020
Imaging system is suitable for different purposes, depending upon their final application. Digital cameras, camcorders, webcams, security cameras or infrared (IR) cameras are well-known imaging systems.
Chan, Kit Heng, Ruslan, Siti Hawa
core  

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