A computational model for task inference in visual search.

@article{HajiAbolhassani2013ACM,
  title={A computational model for task inference in visual search.},
  author={Amin Haji-Abolhassani and James J. Clark},
  journal={Journal of vision},
  year={2013},
  volume={13 11}
}
We develop a probabilistic framework to infer the ongoing task in visual search by revealing what the subject is looking for during a search process. Based on the level of difficulty, two types of tasks, easy and difficult, are investigated in this work, and individual models are customized for them according to their specific dynamics. We use Hidden Markov Models (HMMs) to serve as a model for the human cognitive process that is responsible for directing the center of gaze (COG) according to… CONTINUE READING
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