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HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT

Abstract: 

Hard shadows detection and removal from foreground masks is a challenging step in change detection. This paper gives a simple and effective method to address hard shadows. There are inside portion and boundary portion in hard shadows. Pixel-wise neighborhood ratio is calculat¬ed to remove the most of inside shadow points. For the boundaries of shadow regions, we take advantage of color constancy to eliminate the edges of hard shadows and obtain relative accurate objects contours. Then, morphology processing is explored to enhance the integrity of objects. The main contribution of this paper is to design an approximate estimation strategy for illumination invariant based on Lambertian reflectance model without prior knowledge. The proposed method is unsupervised and experimental results on six challenging sequences show the effectiveness and robustness of our approach.

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Paper Details

Authors:
Submitted On:
20 April 2018 - 1:47am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Bingshu Wang
Paper Code:
IVMSP-P6.1
Document Year:
2018
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Document Files

BingshuWang_Poster_2018ICASSP.pdf

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[1] , "HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3082. Accessed: Aug. 19, 2018.
@article{3082-18,
url = {http://sigport.org/3082},
author = { },
publisher = {IEEE SigPort},
title = {HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT},
year = {2018} }
TY - EJOUR
T1 - HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT
AU -
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3082
ER -
. (2018). HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT. IEEE SigPort. http://sigport.org/3082
, 2018. HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT. Available at: http://sigport.org/3082.
. (2018). "HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT." Web.
1. . HARD SHADOWS REMOVAL USING AN APPROXIMATE ILLUMINATION INVARIANT [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3082