This paper presents a new model of human attention that allows salient areas to be extracted from video frames. As automatic understanding of video semantic content is still far from being achieved, attention model tends to mimic the focus of the human visual system. Most existing approaches extract the saliency of images in order to be used in multiple applications but they are not compared to human perception. The model described here is achieved by the fusion of a static model inspired by the human system and a model of moving object detection. The static model is divided into two steps: a "retinal" filtering followed by a "cortical" decomposition. The moving object detection is carried out by a compensation of camera motion. Then we compare the attention model output for different videos with human judgment. A psychophysical experiment is proposed to compare the model with visual human perception and to validate it. The experimental results indicate that the model achieves about 88% of precision. This shows the usefulness of the scheme and its potential in future applications.


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    Title :

    Spatio-temporal attention model for video content analysis


    Contributors:
    Guironnet, M. (author) / Guyader, N. (author) / Pellerin, D. (author) / Ladret, P. (author)


    Publication date :

    2005-01-01


    Size :

    285168 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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