A Shadow Region Suppression Method using Intensity Projection and Converting Energy to Improve the Performance of Probabilistic Background Subtraction

Hwang, Soonmin; Kang, Dong-Joong

doi:10.5302/j.icros.2010.16.1.069

Journal of Institute of Control, Robotics and Systems

2010

DOI: 10.5302/j.icros.2010.16.1.069

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A Shadow Region Suppression Method using Intensity Projection and Converting Energy to Improve the Performance of Probabilistic Background Subtraction

Soonmin Hwang¹,

Dong-Joong Kang²

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2013

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Removing Shadows Using Background Features in the Images of a Surveillance Camera

Kim

2013

Journal of Institute of Control, Robotics and Systems

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Abstract:In the image processing for VS (Video Surveillance), the detection of moving entities in a monitored scene is an important step. A background subtraction technique has been widely employed to find the moving entities. However, the extracted foreground regions often include not only real entities but also their cast shadows, and this can cause errors in following image processing steps, such as tracking, recognition, and analysis. In this paper, a novel technique is proposed to determine the shadow pixels of moving objects in the foreground image of a VS camera. Compared to existing techniques where the same decision criteria are applied to all moving pixels, the proposed technique determines shadow pixels using local features based on two facts: First, the amount of pixel intensity drop due to a shadow depends on the intensity level of background. Second, the distribution pattern of pixel intensities remains even if a shadow is cast. The proposed method has been tested at various situations with different backgrounds and moving humans in different colors. Keywords

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Removing Shadows Using Background Features in the Images of a Surveillance Camera

Kim

2013

Journal of Institute of Control, Robotics and Systems

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A Shadow Region Suppression Method using Intensity Projection and Converting Energy to Improve the Performance of Probabilistic Background Subtraction

Cited by 1 publication

References 7 publications

Removing Shadows Using Background Features in the Images of a Surveillance Camera

Removing Shadows Using Background Features in the Images of a Surveillance Camera

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