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This paper presents an audio event classification algorithm which automatically classifies an audio event as footstep, glass breaking, gunshot or scream mainly for surveillance applications. First, the Gabor feature of the audio spectrogram is extracted, there are two kinds of Gabor features, namely global Gabor feature and local Gabor feature. Then we use Principal Components Analysis (PCA) and Linear...
Face recognition plays an important role in biometric based person authentication systems. Various algorithms have been proposed in last three decades. This paper presents an efficient face recognition method based on combination of linear discriminant analysis (LDA) and a 2-channel wavelet filter bank. The 2-channel wavelet filter bank is designed using factorization of generalized half band polynomial...
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