A Computational-Cognitive Model of Visual Attention in Dynamic Environments

Bosaghzadeh, A.; Shabani, M.; Ebrahimpour, R.

doi:10.22061/jecei.2021.7871.443

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	A Computational-Cognitive Model of Visual Attention in Dynamic Environments
Journal of Electrical and Computer Engineering Innovations (JECEI)
مقاله 14، دوره 10، شماره 1، فروردین 2022، صفحه 163-174 اصل مقاله (1.43 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22061/jecei.2021.7871.443
نویسندگان
A. Bosaghzadeh^* ؛ M. Shabani؛ R. Ebrahimpour
Artificial Intelligence Department, Faculty of Computer Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
تاریخ دریافت: 14 اردیبهشت 1400، تاریخ بازنگری: 14 تیر 1400، تاریخ پذیرش: 16 شهریور 1400
چکیده
Background and Objectives: Visual attention is a high order cognitive process of human brain which defines where a human observer attends. Dynamic computational visual attention models are modeled on the behavior of the human brain and can predict what areas a human will pay attention to when viewing a scene such as a video. However, several types of computational models have been proposed to provide a better understanding of saliency maps in static and dynamic environments, most of these models are used for specific scenes. In this paper, we propose a model that can generate saliency maps in a variety of dynamic environments with complex scenes. Methods: We used a deep learner as a mediating network to combine basic saliency maps with appropriate weighting. Each of these basic saliency maps covers an important feature of human visual attention, and ultimately the final saliency map is very similar to human visual behavior. Results: The proposed model is run on two datasets and the generated saliency maps are evaluated by different criteria such as ROC, CC, NSS, SIM and KLdiv. The results show that the proposed model has a good performance compared to other similar models. Conclusion: The proposed model consists of three main parts, including basic saliency maps, gating network, and combinator. This model was implemented on the ETMD dataset and the resulting saliency maps (visual attention areas) were compared with some other models in this field by evaluation criteria and their results were evaluated. The results obtained from the proposed model are acceptable and based on the accepted evaluation criteria in this area, it performs better than similar models.
کلیدواژه‌ها
Visual Attention؛ Dynamic Visual Attention؛ Bottom-up Attention؛ Visual Saliency؛ Human Eye Fixation

مراجع
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A Computational-Cognitive Model of Visual Attention in Dynamic Environments