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Fast abnormal event detection algorithm has high application value. But it is difficult to select appropriate feature representation to realize fast abnormal event detection. In view of HVS's dual pulse propagation theory and computational complexity, LBP and OF are used as temporal and spatial feature representation of video in this paper. Since human understanding involves the abstraction of the...
A new barcode watermarking algorithm in Discrete Wavelet Transform (DWT) domain is proposed. The algorithm utilizes the visual masking and texture characteristics of Human Visual System (HVS) to achieve the invisible and robust requirements for watermarking. In addition, a barcode which consist vertical bars and numbers is taken as the watermark embedded into the host image. Numbers in the barcode...
Detecting and segmenting out the regions of interest (ROIs) is one of the foundations in image processing and analysis. Because the final information sink of images is human, for segmenting out the ROIs effectively, we need to study human visual system (HVS) and imitate the behaviors when human viewing a scene. Researchers have found several factors which affect human attentions by studying eye movements...
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