Crowd Counting Mapping to make a Decision
نویسندگان
چکیده
منابع مشابه
Unsupervised Crowd Counting
Most crowd counting methods rely on training with labeled data to learn a mapping between image features and the number of people in the scene. However, the nature of this mapping may change as a function of the scene, camera parameters, illumination etc., limiting the ability of such supervised systems to generalize to novel conditions. Here we propose an alternative, unsupervised strategy. Th...
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In this paper, we address the problem of selectivity estimation in a crowdsourced database. Specifically, we develop several techniques for using workers on a crowdsourcing platform like Amazon’s Mechanical Turk to estimate the fraction of items in a dataset (e.g., a collection of photos) that satisfy some property or predicate (e.g., photos of trees). We do this without explicitly iterating th...
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It is important to monitor and analyze crowd events for the sake of city safety. In an EDOF (extended depth of field) image with a crowded scene, the distribution of people is highly imbalanced. People far away from the camera look much smaller and often occlude each other heavily, while people close to the camera look larger. In such a case, it is difficult to accurately estimate the number of...
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In public places, crowd size may be an indicator of congestion, delay, instability, or of abnormal events, such as a fight, riot or emergency. Crowd related information can also provide important business intelligence such as the distribution of people throughout spaces, throughput rates, and local densities. A major drawback of many crowd counting approaches is their reliance on large numbers ...
متن کاملHow many measurements to make a decision?
Pascal Houillier,* Joël Coste,* and Marc Froissart* *Department of Physiology, Paris Descartes University, Paris, France; Department of Physiology, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France; INSERM, Centre de Recherche des Cordeliers, UMRS 872, Paris, France; Biostatistics and Epidemiology Unit, Hôpital Cochin, Assistance PubliqueHôpitaux de Paris, ...
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ژورنال
عنوان ژورنال: International Journal of Advanced Computer Science and Applications
سال: 2018
ISSN: 2156-5570,2158-107X
DOI: 10.14569/ijacsa.2018.090239