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It is well known that speech production and perception process is inherently bimodal consisting of audio and visual components. Recently there has been increased interest in using the visual modality in combination with the acoustic modality for improved speech processing. This field of study has gained the title of audio-visual speech processing. Lip movement recognition, also known as lip reading,...
Color feature tracking is based on pattern matching algorithms where the appearance of the target is compared with a reference model in successive images and the position of the target is estimated. The major drawback of these methods is that such operations require expensive computation power. It is bottleneck to implement real-time color feature tracking system. The probabilistic tracking methods...
In this paper, we propose a novel unsupervised algorithm for the segmentation of salient regions in color images. There are two phases in this algorithm. In the first phase, we use nonparametric density estimation to extract dominant colors in an image, which are then used for the quantization of the image. The label map of the quantized image forms initial regions of segmentation. In the second phase,...
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