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Clear Skies Ahead: Towards Real-Time Automatic Sky Replacement in Video
[article]
2019
arXiv
pre-print
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In this work, we propose an algorithm for automatic replacement of the sky region in a video with a different sky, providing nonprofessional users with a simple yet efficient tool to seamlessly replace ...
The method is fast, achieving close to real-time performance on mobile devices and the user's involvement can remain as limited as simply selecting the replacement sky. ...
) in random locations within the ground-truth sky area, increasing the ability of the network to identify high-contrast clouds on clear skies. ...
arXiv:1903.02582v1
fatcat:szsjaspij5cxzi6p2fztv2iarq
Rocky 7: a next generation Mars rover prototype
1996
Advanced Robotics
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In each area, the improved or added functionality is explained in a context of its path to ight, and within the constraints of desired science missions. ...
The research described in this paper was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. ...
In medium to high latitude missions with clear skies, a rover on Mars will need to track the sun to absorb more light by its solar panel. ...
doi:10.1163/156855397x00362
fatcat:jkkx4febevalxlcxdozxk53v6a
Local-Global Context Aware Transformer for Language-Guided Video Segmentation
[article]
2022
arXiv
pre-print
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Further, our Locater based solution achieved the 1st place in the Referring Video Object Segmentation Track of the 3rd Large-scale Video Object Segmentation Challenge. ...
The memory also allows Locater to process videos with linear time complexity and constant size memory, while Transformer-style self-attention computation scales quadratically with sequence length. ...
Specifically: • For A2D-S + S , videos are concatenated along the width axis exclusively, since height-axis concatenation might violate the natural up-down order in real world, e.g., sky should be on top ...
arXiv:2203.09773v1
fatcat:6u5mrlvg7rbithmv3xsdwfgqvi
Physically interactive story environments
2000
IBM Systems Journal
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In this paper we discuss physically interactive environments with narrative structure in which the ability to choose among multiple story lines is replaced with having users, first, interact with the story ...
characters in small, local "windows" of the narrative and, second, actively engage their bodies in movement. ...
Acknowledgments All four projects described in this paper were sponsored by the MIT Media Laboratory. ...
doi:10.1147/sj.393.0438
fatcat:dr5df43u3jep7otxyg3i4efjhu
Techniques For Near-Earth Interplanetary Matter Detection And Characterisation From Optical Ground-Based Observatories
2017
Zenodo
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We develop a method to determine this flux using video observations of meteors and analyse the properties of meteors as an optical proxy to meteoroids in order to maximise the detection. ...
First we design and develop a meteor all-sky detection station for Observatorio UCM and use the Draconids 2011 campaign as a showcase for the flux determination, with successful results. ...
Therefore the processing should be done on real-time and only real meteor detections should be recorded in order to optimise the data storage. ...
doi:10.5281/zenodo.1238606
fatcat:kdyvrzt3l5gvplpgcb4nn662e4
The Potential for Astronomy in Antarctica
2005
Highlights of Astronomy
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AbstractThe motivation for holding Special Session 2 at the 25thIAU GA is described, together with an outline of the rational for pursuing astronomy in Antarctica. ...
Acknowledgments This work has been supported in part by the NSF Center for Adaptive Optics, managed by UC Santa Cruz under cooperative agreement No. AST-9876783. ...
The primary scientific objective, in the framework of the Spaceguard Foundation, is the search for potentially hazardous NEAs, especially at small solar elongations. ...
doi:10.1017/s1539299600017640
fatcat:iqbpdpsv7bfb3pxjfivgaczy5q
Laser beaming demonstrations at the Starfire Optical Range
1995
Laser Power Beaming II
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The ruby laser projected 20 J in 6 ms out the telescope with a beam divergence that increased from 1.4 to 4 times the diffraction limit during that time. ...
The satellite brightened by about a factor of 30 in the sunlight when the laser was turned on, and dimmed back to normal when the 50-pradian point-ahead was turned off. ...
At the chosen time, the acquisition operator selects the desired satellite from the list; the telescope is then automatically moved to the location where the satellite is expected to be and automatically ...
doi:10.1117/12.208207
fatcat:y4mmq3dc2nf5zhw4l7va66zc4u
Changing Environmental Behaviors through Smartphone-Based Augmented Experiences
[chapter]
2012
Lecture Notes in Computer Science
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Finally was performed a study to assess the success of the work done in changing behaviour towards environmental issues, and to study the influence of augmented reality and positive reinforcement in the ...
In addition, this type of technology can be applied in numerous areas such as health, education, finance, e-business, among others. ...
Vehicle Detection The research work presented in [36] relies on real-time video analysis to detect and track vehicles ahead for safety, auto-driving, and target tracing. ...
doi:10.1007/978-3-642-34292-9_57
fatcat:nwbhc4q62rc2vdhqb4q323c6py
High-level event recognition in unconstrained videos
2012
International Journal of Multimedia Information Retrieval
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The goal of high-level event recognition is to automatically detect complex high-level events in a given video sequence. ...
In this paper, we review current technologies for complex event recognition in unconstrained videos. ...
Acknowledgments This work was supported in part by the Intelligence Advanced Research Projects Activity (IARPA) via Department of Interior National Business Center contract numbers D11PC20066, D11PC20070 ...
doi:10.1007/s13735-012-0024-2
fatcat:mfzttic3svb4tho2xb6aczgp4y
The history of astrometry
2012
The European Physical Journal H
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2012 pre-print arXiv:1209.3563v1 fatcat:t6tauyxo2jcdzl4f2zx2ym3tce
Over the past 400 years, during which positional accuracy has improved roughly logarithmically with time, the distances to the nearest stars were triangulated, making use of the extended measurement baseline ...
After a period in the middle years of the twentieth century in which accuracy improvements were greatly hampered by the perturbing effects of the Earth's atmosphere, ultra-high accuracies of star positions ...
I am grateful to my many colleagues involved in the Hipparcos project who, over many years, stimulated and advanced my own involvement in astrometry, as well as in its history. ...
doi:10.1140/epjh/e2012-30039-4
fatcat:cm5ertukwbbhrdd4qlr2exluru
5G-ROUTES: D1.1 Use-Cases scenarios specs target KPIs for 5G for CAM
[article]
2022
Zenodo
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real time applications with strong delay constraints; the eMBB category groups use cases which require high data rates. ...
This report provides a representative set of detailed use case scenarios for Connected and Automated Mobility (CAM) with appropriate requirements to be tested and validated both in lab and in large-scale ...
The performances of satellite networks are different under clear sky conditions and rain conditions. ...
doi:10.5281/zenodo.6345828
fatcat:q6gcthu4b5dqlkvhoia7vn6mxq
Proceedings for the 3rd Shaw-IAU Workshop on Astronomy for Education: What Everybody Should Know about Astronomy Education
[article]
2021
Zenodo
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We must be aware that every time we educate in Astronomy, we bring to people new elements to transform their worldviews. ...
in which part of the world and with what people we will work. ...
In any case, this short break from routine drives them towards the sky -an exercise long forgotten. ...
doi:10.5281/zenodo.5768700
fatcat:m7ltmzzmjbcr3inrdnweemstly
Risk Analysis of the Future Implementation of a Safety Management System for Multiple RPAS Based on First Demonstration Flights
2017
Electronics
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in SESAR 2020, all in accordance with the 2015 European ATM Master Plan). ...
This issue arises in the context of the ongoing restructuring of airspaces management, according to SESAR-JU in Europe and NextGen in the USA (SESAR-JU has defined how RPAS research should be conducted ...
Opinions expressed in this work reflect the authors' views only and the SJU shall not be considered liable for them or for any use that may be made of the information contained herein. ...
doi:10.3390/electronics6030050
fatcat:ccfvwy2ojrhd5oaaw6divjzioy
A Visual Interaction Cue Framework from Video Game Environments for Augmented Reality
2018
Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems - CHI '18
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Based on an analysis of 49 popular contemporary video games, I develop a descriptive framework of visual interaction cues in video games. ...
Finally, I suggest design considerations for the creation of visual interaction cues for augmented reality and examine how the framework might be employed in future work. ...
When the user centers the icon in the compass, they will move toward the target desk if they walk straight ahead. The distance to the desk is shown as a label below the icon. ...
doi:10.1145/3173574.3173714
dblp:conf/chi/DillmanM0OM18
fatcat:uqtwoaegb5dolkvvxfr3rgrdgq
Automation in aviation
[chapter]
2012
Automation
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In this case, the autopilot automatically performs a go-around procedure, which avoids a further decline in the aircraft's performance. ...
Allows the human operator a limited time to veto before automatic execution, or 6. Executes the suggestion automatically then necessarily informs the human operator, or 7. ...
The sky was clear but the city was covered by a layer of fog that reduced the horizontal visibility to 350 ft. and the vertical visibility to 500 ft. ...
doi:10.5772/49949
fatcat:x6bgjqj3xzdv3nmggpms5zodua
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