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- W4312887977 abstract "The prediction of human gaze behavior is important for building human-computer interaction systems that can anticipate the user’s attention. Computer vision models have been developed to predict the fixations made by people as they search for target objects. But what about when the target is not in the image? Equally important is to know how people search when they cannot find a target, and when they would stop searching. In this paper, we propose a data-driven computational model that addresses the search-termination problem and predicts the scanpath of search fixations made by people searching for targets that do not appear in images. We model visual search as an imitation learning problem and represent the internal knowledge that the viewer acquires through fixations using a novel state representation that we call Foveated Feature Maps (FFMs). FFMs integrate a simulated foveated retina into a pretrained ConvNet that produces an in-network feature pyramid, all with minimal computational overhead. Our method integrates FFMs as the state representation in inverse reinforcement learning. Experimentally, we improve the state of the art in predicting human target-absent search behavior on the COCO-Search18 dataset. Code is available at: https://github.com/cvlab-stonybrook/Target-absent-Human-Attention ." @default.
- W4312887977 created "2023-01-05" @default.
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- W4312887977 date "2022-01-01" @default.
- W4312887977 modified "2023-10-15" @default.
- W4312887977 title "Target-Absent Human Attention" @default.
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- W4312887977 doi "https://doi.org/10.1007/978-3-031-19772-7_4" @default.
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