Saccadic model of eye movements for free-viewing condition

Olivier Le Meur 1        Zhi Liu2

1IRISA/univsersity of Rennes 1, France
2School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China

Vision Research, Volume 116, Part B, November 2015, Pages 152–164.

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In this paper, we propose a new framework to predict visual scanpaths of observers while they freely watch a visual scene. The visual fixations are inferred from bottom-up saliency and several oculomotor biases. Bottom-up saliency is represented by a saliency map whereas the oculomotor biases (saccade amplitudes and saccade orientations) are modeled using public eye tracking datasets. Our experiments show that the simulated scanpaths exhibit similar trends of human eye movements in a free-viewing condition. The generated scanpaths are more similar to human scanpaths than those generated by two existing methods. In addition, we show that computing saliency maps from simulated visual scanpaths allows to outperform existing saliency models.



Le Meur, O. and Liu Z. (2015). Saccadic model of eye movements for free-viewing condition, Vision Research, 2015.
  Title                    = {Saccadic model of eye movements for free-viewing condition},
  Author                   = {Le Meur, Olivier and Liu, Zhi},
  Journal                  = {Vision research},
  Year                     = {2015},
  Pages                    = {152-164},
  Volume                   = {116},
  Publisher                = {Elsevier}