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Paper   IPM / Cognitive Sciences / 14199
School of Cognitive Sciences
  Title:   Predicting the eye fixation locations in the gray scale images in the visual scenes with different semantic contents
1.  H. Zanganeh Momtaz
2.  M.R. Daliri
  Status:   Published
  Journal: Cognitive Neurodynamics
  Year:  2015
  Pages:   1-16
  Supported by:  IPM
In recent years, there has been considerable interest in visual attention models (saliency map of visual attention). These models can be used to predict eye fixation locations, and thus will have many applications in various fields which leads to obtain better performance in machine vision systems. Most of these models need to be improved because they are based on bottom-up computation that does not consider top-down image semantic contents and often does not match actual eye fixation locations. In this study, we recorded the eye movements (i.e., fixations) of fourteen individuals who viewed images which consist natural (e.g., landscape, animal) and man-made (e.g., building, vehicles) scenes. We extracted the fixation locations of eye movements in two image categories. After extraction of the fixation areas (a patch around each fixation location), characteristics of these areas were evaluated as compared to non-fixation areas. The extracted features in each patch included the orientation and spatial frequency. After feature extraction phase, different statistical classifiers were trained for prediction of eye fixation locations by these features. This study connects eye-tracking results to automatic prediction of saliency regions of the images. The results showed that it is possible to predict the eye fixation locations by using of the image patches around subjects�?? fixation points.

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