Double-Trapezium Cylinder Codebook Model for Foreground Detection with Shadow and Highlight Suppression[J]. 2013, 47(4): 28-34.
DOI:
Double-Trapezium Cylinder Codebook Model for Foreground Detection with Shadow and Highlight Suppression[J]. 2013, 47(4): 28-34.DOI: 10.7652/xjtuxb201304006.
Double-Trapezium Cylinder Codebook Model for Foreground Detection with Shadow and Highlight Suppression
A foreground detection model for double-trapezium cylinder codebooks(DTCC)is proposed to solve the problem that there exists shadow and highlight in foreground detection in intelligent visual surveillance. First an erected trapezium cylinder structure for shadow detection is constructed in the lower part of the model based on the characteristics that the shadow is less bright than the background and the chromaticity of shadow is different from that of the background. Then an inverted trapezium cylinder structure for highlight detection is constructed in the upper part of the model based on the characteristics that the highlight is brighter than the background and the chromaticity of highlight is different from the background. The DTCC model is formulated by finally constructing a main background area in the middle part of the model using a cylinder structure. Experimental results show that the average frame rate of the DTCC model is about 15.61 frames per second and the real-time performance is higher than that of iGMM、CBM and HC3 algorithms with 76.05%
24.60% and 41.09%
respectively. The average shadow suppression rate and average highlight suppression rate of the DTCC model are about 70.61% and 83.41%
respectively
and both the performance are better than those of the compared algorithms.
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references
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