نتایج جستجو برای: background subtraction

تعداد نتایج: 844497  

Hamidreza Rashidy Kanan, Soheil Tehranipour

Generally human vision system searches for salient regions and movements in video scenes to lessen the search space and effort. Using visual saliency map for modelling gives important information for understanding in many applications. In this paper we present a simple method with low computation load using visual saliency map for background subtraction in video stream. The proposed technique i...

Journal: :EURASIP Journal on Image and Video Processing 2011

2002
Ralf Plänkers Pascal Fua

In this work, we introduce a model-based approach to extracting the silhouette of people in motion from stereo video sequences. To this end, we extend a purely stereo-based approach to tracking people proposed in earlier work. This approach is based on an implicit surface model of the body. It lets us accurately predict the silhouette’s location and, therefore, detect them more robustly. In tur...

2005

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2006
Bo Qin Chuangde Zhang Zhenghua Fang Wei Li

Background subtraction is a common way of real-time motion detection. Owing to lacking the right approach to update the background, it was confined in certain aspects. In this paper, we will present a quick selfadaptive background updating algorithm based on moving region, and use label method to de-noise the moving objects. The algorithm can reduce the calculation and accelerate the background...

Journal: :EURASIP J. Adv. Sig. Proc. 2007
Min Wu Chang Wen Chen

The imaging sensors are able to provide intuitive visual information for quick recognition and decision. However, imaging sensors usually generate vast amount of data. Therefore, processing and coding of image data collected in a sensor network for the purpose of energy efficient transmission poses a significant technical challenge. In particular, multiple sensors may be collecting similar visu...

2015
Martino Lombardi Roberto Vezzani Rita Cucchiara

Following the recent Internet of Everything (IoE) trend, several general-purpose devices have been proposed to acquire as much information as possible from the environment and from people interacting with it. Among the others, sensing floors are recently attracting the interest of the research community. In this paper, we propose a new model to store and process floor data. The model does not a...

2015
Nigel Field David Tariang

Monitoring and observation of moving vehicles is beneficial for the analysis of traffic flow and cognition of other events. For identifying motion from the video feed, the system applies adaptive background subtraction using the OpenCV library for obtaining the threshold images containing blobs which represent moving vehicles. Applying certain operations on the blobs, the speed, class and numbe...

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