Results 41 to 50 of about 746,689 (293)

Data-driven Crowd Analysis in Videos [PDF]

, 2011
International audienceIn this work we present a new crowd analysis algorithm powered by behavior priors that are learned on a large database of crowd videos gathered from the Internet.
Audibert, Jean-Yves, Laptev, Ivan, Rodriguez, Mikel, Sivic, Josef   +3 more
core   +4 more sources

Crowdworking: working with or against the crowd? [PDF]

Journal of Economic Interaction and Coordination, 2019
AbstractOur current labour market is affected by massive changes like digitalization, automation and globalization, which gives rise to completely new forms of generating income. One such innovative idea is crowdworking, where many people (a so-called crowd) work on individual tasks for a firm in a way similar to a self-employed freelancer.
Georg Jäger, Laura S. Zilian, Christian Hofer, Manfred Füllsack   +3 more
openaire   +1 more source

Detection of High-Density Crowds in Aerial Images Using Texture Classification

Remote Sensing, 2016
Automatic crowd detection in aerial images is certainly a useful source of information to prevent crowd disasters in large complex scenarios of mass events.
Oliver Meynberg, Shiyong Cui, Peter Reinartz   +2 more
doaj   +1 more source

The Allocation of Attention and Working Memory in Visual Crowding [PDF]

Journal of Cognitive Neuroscience, 2015
Abstract When the distance between a visual target and nearby flankers falls below a critical distance, target discrimination declines precipitously. This is called “crowding.” Many researchers have proposed that selective attention plays a role in crowding.
Felix Bacigalupo, Steven J. Luck
openaire   +4 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

MH-MetroNet—A Multi-Head CNN for Passenger-Crowd Attendance Estimation

Journal of Imaging, 2020
Knowing an accurate passengers attendance estimation on each metro car contributes to the safely coordination and sorting the crowd-passenger in each metro station.
Pier Luigi Mazzeo, Riccardo Contino, Paolo Spagnolo, Cosimo Distante, Ettore Stella, Massimiliano Nitti, Vito Renò   +6 more
doaj   +1 more source

Online, on call: : the spread of digitally-organised just-in-time working and its implications for standard employment models [PDF]

, 2018
This article questions whether the dominant policy discourse, in which a normative model of standard employment is counterposed to ‘non-standard’ or ‘atypical’ employment, enables us to capture the diversity of fluid labour markets in which work is ...
Aglietta, Amin, Arrighi, Atkinson, Atkinson, Banks, Benkler, Berg, Bergvall-Kåreborn, Bonini, Botsman, Braverman, Brinkley, Brophy, Broughton, Burchell, Caraway, Cazes, Coates, D'Cruz, de Grip, De Stefano, Doeringer, Dokko, Duell, Dunning, Durward, Esping-Andersen, Estellés-Arolas, Eurofound, European Commission, Felstead, Felstiner, Flecker, Flecker, Fourastie, Fumagalli, Gandini, Gereffi, Gill, Gill, Grimshaw, Grossman, Hall, Hardt, Hodgson, Huws, Huws, Huws, Huws, Huws, Huws, Huws, Huws, International Labour Organization, Ipeirotis, Jessop, Jessop, Kaganer, Katz, Keller, Kücklich, Lazzarato, Lipietz, Lipietz, Mandl, Marglin, Milland, Morini, Muehlberger, Muhic, Norkus, OECD, Palukka, Pernigotti, Perrons, Phizacklea, Porter, Prahalad, Ritzer, Ross, Smith, Standing, Stone, Surowiecki, Thompson, Toffler, Vaquero, Vermeylen, Vosko, Wallerstein, Wilkinson, Williams, Wright   +93 more
core   +2 more sources

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

Abnormal Crowd Behavior Detection Using Motion Information Images and Convolutional Neural Networks

IEEE Access, 2020
We introduce a novel method for abnormal crowd event detection in surveillance videos. Particularly, our work focuses on panic and escape behavior detection that may appear because of violent events and natural disasters.
Cem Direkoglu
doaj   +1 more source

Crowd density estimation using deep learning for Hajj pilgrimage video analytics [version 2; peer review: 3 approved]

F1000Research, 2022
Background: This paper focuses on advances in crowd control study with an emphasis on high-density crowds, particularly Hajj crowds. Video analysis and visual surveillance have been of increasing importance in order to enhance the safety and security of ...
MD ROMAN BHUIYAN, Dr Junaidi Abdullah, Dr Mohd Ali Samsudin, Dr Noramiza Hashim, Fahmid Al Farid, Dr Jia Uddin, Norra Abdullah   +6 more
doaj   +1 more source