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http://dx.doi.org/10.6109/jkiice.2014.18.11.2721

Fast MOG Algorithm Using Object Prediction  

Oh, Jeong-Su (Department of Image Science & Engineering, Pukyong National University)
Abstract
In a MOG algorithm using the GMM to subtract background, the model parameter computation and the object classification to be performed at every pixel require a huge computation and are the chief obstacles to its uses. This paper proposes a fast MOG algorithm that partly adopts the simple model parameter computation and the object classification skip on the basis of the object prediction. The former is applied to the pixels that gives little effect on the model parameter and the latter is applied to the pixels whose object prediction is firmly trusted. In comparative experiment between the conventional and proposed algorithms using videos, the proposed algorithm carries out the simple model parameter computation and the object classification skip over 77.75% and 92.97%, respectively, nevertheless it retains more than 99.98% and 99.36% in terms of image and moving object-unit average classification accuracies, respectively.
Keywords
MOG; GMM; subtract background; object prediction; fast algorithm;
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