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Why does our visual system fail to reconstruct reality, when we look at certain patterns? Where do Geometrical illusions start to emerge in the visual pathway? How far should we take computational models of vision with the same visual…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Nasim Nematzadeh , David M. W. Powers , Trent W. Lewis

The Caf\'e Wall illusion is one of a class of tilt illusions where lines that are parallel appear to be tilted. We demonstrate that a simple Differences of Gaussian model provides an explanatory mechanism for the illusory tilt perceived in…

Neurons and Cognition · Quantitative Biology 2020-05-12 Nasim Nematzadeh , David M. W. Powers

The Expanding Hole Illusion is a compelling visual phenomenon in which a static, concentric pattern evokes a strong perception of continuous forward motion. Despite its simplicity, this illusion challenges our understanding of how the brain…

Neurons and Cognition · Quantitative Biology 2025-01-16 Nasim Nematzadeh , David M. W. Powers

The visual system is hierarchically organized to process visual information in successive stages. Neural representations vary drastically across the first stages of visual processing: at the output of the retina, ganglion cell receptive…

Neurons and Cognition · Quantitative Biology 2019-01-07 Jack Lindsey , Samuel A. Ocko , Surya Ganguli , Stephane Deny

Illusions are fascinating and immediately catch people's attention and interest, but they are also valuable in terms of giving us insights into human cognition and perception. A good theory of human perception should be able to explain the…

Computer Vision and Pattern Recognition · Computer Science 2019-02-11 Nasim Nematzadeh , David M. W. Powers , Trent Lewis

The biological characteristics of human visual processing can be investigated through the study of optical illusions and their perception, giving rise to intuitions that may improve computer vision to match human performance. Geometric…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Nasim Nematzadeh , David M. W. Powers

View synthesis methods using implicit continuous shape representations learned from a set of images, such as the Neural Radiance Field (NeRF) method, have gained increasing attention due to their high quality imagery and scalability to high…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Guo-Wei Yang , Wen-Yang Zhou , Hao-Yang Peng , Dun Liang , Tai-Jiang Mu , Shi-Min Hu

Geometrical illusions are a subclass of optical illusions in which the geometrical characteristics of patterns such as orientations and angles are distorted and misperceived as the result of low- to high-level retinal/cortical processing.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-04 Nasim Nematzadeh , David M. W. Powers

The human visual system has a hierarchical structure consisting of layers of processing, such as the retina, V1, V2, etc. Understanding the functional roles of these visual processing layers would help to integrate the psychophysiological…

Computer Vision and Pattern Recognition · Computer Science 2014-12-19 Honghao Shan , Garrison Cottrell

The mapping between visual inputs on the retina and neuronal activations in the visual cortex, i.e., retinotopic map, is an essential topic in vision science and neuroscience. Human retinotopic maps can be revealed by analyzing the…

Neurons and Cognition · Quantitative Biology 2021-06-17 Yanshuai Tu , Duyan Ta , Zhong-Lin Lu , Yalin Wang

Neural Radiance Fields (NeRF) is a popular view synthesis technique that represents a scene as a continuous volumetric function, parameterized by multilayer perceptrons that provide the volume density and view-dependent emitted radiance at…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Dor Verbin , Peter Hedman , Ben Mildenhall , Todd Zickler , Jonathan T. Barron , Pratul P. Srinivasan

Neural circuits in the retina divide the incoming visual scene into more than a dozen distinct representations that are sent on to central brain areas, such as the lateral geniculate nucleus and the superior colliculus. The retina can be…

Neurons and Cognition · Quantitative Biology 2018-06-11 Samuel Chiquita

While significant advancements in artificial intelligence (AI) have catalyzed progress across various domains, its full potential in understanding visual perception remains underexplored. We propose an artificial neural network dubbed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Ruixing Liang , Xiangyu Zhang , Qiong Li , Lai Wei , Hexin Liu , Avisha Kumar , Kelley M. Kempski Leadingham , Joshua Punnoose , Leibny Paola Garcia , Amir Manbachi

Computational modeling helps neuroscientists to integrate and explain experimental data obtained through neurophysiological and anatomical studies, thus providing a mechanism by which we can better understand and predict the principles of…

Neurons and Cognition · Quantitative Biology 2023-09-22 Parvin Zarei Eskikand , David B Grayden , Tatiana Kameneva , Anthony N Burkitt , Michael R Ibbotson

Recognition of objects from partial information presents a significant challenge for theories of vision because it requires spatial integration and extrapolation from prior knowledge. We combined neurophysiological recordings in human…

Neurons and Cognition · Quantitative Biology 2014-09-11 Hanlin Tang , Calin Buia , Joseph Madsen , William S. Anderson , Gabriel Kreiman

Deep convolutional neural networks (CNNs) have demonstrated impressive performance on many visual tasks. Recently, they became useful models for the visual system in neuroscience. However, it is still not clear what are learned by CNNs in…

Neurons and Cognition · Quantitative Biology 2020-02-19 Qi Yan , Yajing Zheng , Shanshan Jia , Yichen Zhang , Zhaofei Yu , Feng Chen , Yonghong Tian , Tiejun Huang , Jian K. Liu

Scientific fields that are interested in faces have developed their own sets of concepts and procedures for understanding how a target model system (be it a person or algorithm) perceives a face under varying conditions. In computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Brandon RichardWebster , So Yon Kwon , Christopher Clarizio , Samuel E. Anthony , Walter J. Scheirer

The concept of a cell$'$s receptive field is a bedrock in systems neuroscience, and the classical static description of the receptive field has had enormous success in explaining the fundamental mechanisms underlying visual processing.…

Neurons and Cognition · Quantitative Biology 2025-04-10 Ifedayo-EmmanuEL Adeyefa-Olasupo

Neuromorphic image sensors draw inspiration from the biological retina to implement visual computations in electronic hardware. Gain control in phototransduction and temporal differentiation at the first retinal synapse inspired the first…

Image and Video Processing · Electrical Eng. & Systems 2022-08-29 Zihan Yin , Md Abdullah-Al Kaiser , Lamine Ousmane Camara , Mark Camarena , Maryam Parsa , Ajey Jacob , Gregory Schwartz , Akhilesh Jaiswal

We present a detailed physiological model of the retina that includes the biochemistry and electrophysiology of phototransduction, neuronal electrical coupling, and the spherical geometry of the eye. The model is a parabolic-elliptic system…

Quantitative Methods · Quantitative Biology 2023-03-09 Belal Abuelnasr , Adam R. Stinchcombe
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