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Shadow detection using color and edge information.

Shadows appear in many scenes. Human can easily distinguish shadows from objects, but it is one of the challenges for shadow detection intelligent automated systems. Accurate shadow detection can be difficult due to the illumination variations of the background and similarity between appearance of t...

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Autori principali: Golchin, Maryam, Khalid, Fatimah, Abdullah, Lili Nurliana, Davarpanah, Seyed Hashem
Natura: Articolo
Lingua:English
English
Pubblicazione: Science Publications 2013
Accesso online:http://psasir.upm.edu.my/id/eprint/30639/1/Shadow%20detection%20using%20color%20and%20edge%20information.pdf
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spelling oai:psasir.upm.edu.my:30639 http://psasir.upm.edu.my/id/eprint/30639/ Shadow detection using color and edge information. Golchin, Maryam Khalid, Fatimah Abdullah, Lili Nurliana Davarpanah, Seyed Hashem Shadows appear in many scenes. Human can easily distinguish shadows from objects, but it is one of the challenges for shadow detection intelligent automated systems. Accurate shadow detection can be difficult due to the illumination variations of the background and similarity between appearance of the objects and the background. Color and edge information are two popular features that have been used to distinguish cast shadows from objects. However, this become a problem when the difference of color information between object, shadow and background is poor, the edge of the shadow area is not clear and the shadow detection method is supposed to use only color or edge information method. In this article a shadow detection method using both color and edge information is presented. In order to improve the accuracy of shadow detection using color information, a new formula is used in the denominator of original c1 c2 c3. In addition using the hue difference of foreground and background is proposed. Furthermore, edge information is applied separately and the results are combined using a Boolean operator. Science Publications 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30639/1/Shadow%20detection%20using%20color%20and%20edge%20information.pdf Golchin, Maryam and Khalid, Fatimah and Abdullah, Lili Nurliana and Davarpanah, Seyed Hashem (2013) Shadow detection using color and edge information. Journal of Computer Science, 9 (11). pp. 1575-1588. ISSN 1549-3636 http://thescipub.com/issue-jcs/9/11 10.3844/jcssp.2013.1575.1588 English
institution UPM IR
collection UPM IR
language English
English
description Shadows appear in many scenes. Human can easily distinguish shadows from objects, but it is one of the challenges for shadow detection intelligent automated systems. Accurate shadow detection can be difficult due to the illumination variations of the background and similarity between appearance of the objects and the background. Color and edge information are two popular features that have been used to distinguish cast shadows from objects. However, this become a problem when the difference of color information between object, shadow and background is poor, the edge of the shadow area is not clear and the shadow detection method is supposed to use only color or edge information method. In this article a shadow detection method using both color and edge information is presented. In order to improve the accuracy of shadow detection using color information, a new formula is used in the denominator of original c1 c2 c3. In addition using the hue difference of foreground and background is proposed. Furthermore, edge information is applied separately and the results are combined using a Boolean operator.
format Article
author Golchin, Maryam
Khalid, Fatimah
Abdullah, Lili Nurliana
Davarpanah, Seyed Hashem
spellingShingle Golchin, Maryam
Khalid, Fatimah
Abdullah, Lili Nurliana
Davarpanah, Seyed Hashem
Shadow detection using color and edge information.
author_facet Golchin, Maryam
Khalid, Fatimah
Abdullah, Lili Nurliana
Davarpanah, Seyed Hashem
author_sort Golchin, Maryam
title Shadow detection using color and edge information.
title_short Shadow detection using color and edge information.
title_full Shadow detection using color and edge information.
title_fullStr Shadow detection using color and edge information.
title_full_unstemmed Shadow detection using color and edge information.
title_sort shadow detection using color and edge information.
publisher Science Publications
publishDate 2013
url http://psasir.upm.edu.my/id/eprint/30639/1/Shadow%20detection%20using%20color%20and%20edge%20information.pdf
_version_ 1819295341983301632
score 13.4562235

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