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A novel method of crowd estimation is proposed in this paper: Firstly, surveillance image is divided into bit planes by OSTU algorithm, the pixel ratio of foreground to background and complexity of bit planes are taken as feature vectors of crowd estimation. The degree of crowd density of the scene is classified into several grades, BP neural network is used for training and then the classification...
Karyotyping is a common method in cytogenetics. Automatic classification of the chromosomes within the microscopic images is the first step in designing an automatic karyotyping system. This is a difficult task especially if the chromosome is highly curved within the image. This paper introduces a new wavelet transform based linear discriminant analysis based feature vector for discriminating both...
With the emerging of the new applications like virtual reality in image processing and machine vision, it is necessary to have more perfect interfaces than mouse and keyboard for human computer interaction. To cope with this problem, variety of tools has been presented to interact with computers. Hand gesture recognition is one of the proper methods for this purpose. This paper presents a new algorithm...
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