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HMM-based Convolutional LSTM for Visual Scanpath Prediction | IEEE Conference Publication | IEEE Xplore

HMM-based Convolutional LSTM for Visual Scanpath Prediction


Abstract:

The human visual system performs a dynamic process of scanning the scene by rapid eye movements and fixations, yielding a visual scanpath. We propose an approach to gener...Show More

Abstract:

The human visual system performs a dynamic process of scanning the scene by rapid eye movements and fixations, yielding a visual scanpath. We propose an approach to generate artificial visual scanpaths for natural images. A convolutional long short term memory (LSTM) neural network is employed, which learns the mapping of image features to eye fixations by modeling the sequential dependencies of the fixations in a scanpath. A novel approach of hidden Markov model (HMM) based data augmentation is presented that increases the number of available image-specific input-output pairs to train the LSTM appropriately. Both the HMM and the LSTM are designed to be consistent with existing knowledge on saccadic eye movements. Experimental results on a standard eye-tracking dataset demonstrate that the proposed approach does better than the state-of-the-art and generates realistic visual scanpath data.
Date of Conference: 02-06 September 2019
Date Added to IEEE Xplore: 18 November 2019
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Conference Location: A Coruna, Spain

References

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