TY - JOUR A2 - Gastaldo, Paolo AU - Eghdam, Reza AU - Ebrahimpour, Reza AU - Zabbah, Iman AU - Zabbah, Sajjad PY - 2020 DA - 2020/12/22 TI - Inherent Importance of Early Visual Features in Attraction of Human Attention SP - 3496432 VL - 2020 AB - Local contrasts attract human attention to different areas of an image. Studies have shown that orientation, color, and intensity are some basic visual features which their contrasts attract our attention. Since these features are in different modalities, their contribution in the attraction of human attention is not easily comparable. In this study, we investigated the importance of these three features in the attraction of human attention in synthetic and natural images. Choosing 100% percent detectable contrast in each modality, we studied the competition between different features. Psychophysics results showed that, although single features can be detected easily in all trials, when features were presented simultaneously in a stimulus, orientation always attracts subject’s attention. In addition, computational results showed that orientation feature map is more informative about the pattern of human saccades in natural images. Finally, using optimization algorithms we quantified the impact of each feature map in construction of the final saliency map. SN - 1687-5265 UR - https://doi.org/10.1155/2020/3496432 DO - 10.1155/2020/3496432 JF - Computational Intelligence and Neuroscience PB - Hindawi KW - ER -