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Salience Models: A Computational Cognitive Neuroscience Review

Sofia Krasovskaya Orcid Logo, Joe MacInnes Orcid Logo

Vision, Volume: 3, Issue: 4, Start page: 56

Swansea University Author: Joe MacInnes Orcid Logo

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DOI (Published version): 10.3390/vision3040056

Abstract

The seminal model by Laurent Itti and Cristoph Koch demonstrated that we can compute the entire flow of visual processing from input to resulting fixations. Despite many replications and follow-ups, few have matched the impact of the original model—so what made this model so groundbreaking? We have...

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Published in: Vision
ISSN: 2411-5150
Published: MDPI AG 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa63407
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Abstract: The seminal model by Laurent Itti and Cristoph Koch demonstrated that we can compute the entire flow of visual processing from input to resulting fixations. Despite many replications and follow-ups, few have matched the impact of the original model—so what made this model so groundbreaking? We have selected five key contributions that distinguish the original salience model by Itti and Koch; namely, its contribution to our theoretical, neural, and computational understanding of visual processing, as well as the spatial and temporal predictions for fixation distributions. During the last 20 years, advances in the field have brought up various techniques and approaches to salience modelling, many of which tried to improve or add to the initial Itti and Koch model. One of the most recent trends has been to adopt the computational power of deep learning neural networks; however, this has also shifted their primary focus to spatial classification. We present a review of recent approaches to modelling salience, starting from direct variations of the Itti and Koch salience model to sophisticated deep-learning architectures, and discuss the models from the point of view of their contribution to computational cognitive neuroscience.
College: Faculty of Science and Engineering
Funders: This work is supported in part by the HSE academic fund program for the scientific research lab “Vision Modelling Lab”.
Issue: 4
Start Page: 56