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Crowd counting models in highly congested areas confront two main challenges: weak localization ability and difficulty in differentiating between foreground and background, leading to inaccurate estimations. The reason is that objects in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Yuehai Chen , Qingzhong Wang , Jing Yang , Badong Chen , Haoyi Xiong , Shaoyi Du

We introduce a probabilistic model of early visual processing, beginning with the interaction between a light wavefront and the retina. We argue that perception originates not with deterministic transduction, but with probabilistic…

Neurons and Cognition · Quantitative Biology 2025-07-31 Jayanth R Taranath , Salim M'Jahad

The motivation for the treatment of intrabeam scattering theory given in this paper was to find results which would be convenient for computing the intrabeam scattering growth rates for particle distributions which are more complicated than…

Accelerator Physics · Physics 2007-05-23 George Parzen

Multi-modal ophthalmic image classification plays a key role in diagnosing eye diseases, as it integrates information from different sources to complement their respective performances. However, recent improvements have mainly focused on…

Image and Video Processing · Electrical Eng. & Systems 2024-05-29 Ke Zou , Tian Lin , Zongbo Han , Meng Wang , Xuedong Yuan , Haoyu Chen , Changqing Zhang , Xiaojing Shen , Huazhu Fu

Equivariance guarantees that a model's predictions capture key symmetries in data. When an image is translated or rotated, an equivariant model's representation of that image will translate or rotate accordingly. The success of…

Machine Learning · Computer Science 2024-06-19 Nate Gruver , Marc Finzi , Micah Goldblum , Andrew Gordon Wilson

When humans view scenes without a specific task (free-viewing), they initially direct their eye movements toward the scene center and then fixate on people, text, objects being gazed at or grasped, and semantically meaningful regions. What…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Shravan Murlidaran , Ziqi Wen , Sana Shehabi , Miguel P. Eckstein

Primary visual cortex (V1) is the first stage of cortical image processing, and a major effort in systems neuroscience is devoted to understanding how it encodes information about visual stimuli. Within V1, many neurons respond selectively…

Neurons and Cognition · Quantitative Biology 2017-06-21 William F. Kindel , Elijah D. Christensen , Joel Zylberberg

Recent observations of Cepheids in the Virgo cluster have bolstered the evidence that supports a Hubble constant in 70-90 km/s/Mpc range. This evidence, by and large, probes the expansion of the Universe within 100 Mpc. We investigate the…

Astrophysics · Physics 2015-06-24 Xiangdong Shi , Lawrence M. Widrow , L. Jonathan Dursi

Small number statistics may heavily affect the structure of the broadening function in integrated spectra of galactic globular cluster centers. As a consequence, it is a priori unknown how closely line broadening measure- ments gauge the…

Astrophysics · Physics 2007-05-23 Simone R. Zaggia , Massimo Capaccioli , Giampaolo Piotto

Quasi-Monte Carlo (QMC) integration of output functionals of solutions of the diffusion problem with a log-normal random coefficient is considered. The random coefficient is assumed to be given by an exponential of a Gaussian random field…

Numerical Analysis · Mathematics 2017-01-24 Yoshihito Kazashi

The existing computational visual attention systems have focused on the objective to basically simulate and understand the concept of visual attention system in adults. Consequently, the impact of observer's age in scene viewing behavior…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Onkar Krishna , Kiyoharu Aizawa , Go Irie

Background noise and scale variation are common problems that have been long recognized in crowd counting. Humans glance at a crowd image and instantly know the approximate number of human and where they are through attention the crowd…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Yuehai Chen , Jing Yang , Dong Zhang , Kun Zhang , Badong Chen , Shaoyi Du

Hallucinations pose a significant challenge in Large Vision Language Models (LVLMs), with misalignment between multimodal features identified as a key contributing factor. This paper reveals the negative impact of the long-term decay in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Qiyan Zhao , Xiaofeng Zhang , Yiheng Li , Yun Xing , Xiaosong Yuan , Feilong Tang , Sinan Fan , Xuhang Chen , Xuyao Zhang , Dahan Wang

We obtain an analytic, interpretable and predictive theory of creativity in convolutional diffusion models. Indeed, score-matching diffusion models can generate highly original images that lie far from their training data. However, optimal…

Machine Learning · Computer Science 2025-06-06 Mason Kamb , Surya Ganguli

Deep learning architectures are an extremely powerful tool for recognizing and classifying images. However, they require supervised learning and normally work on vectors the size of image pixels and produce the best results when trained on…

Machine Learning · Computer Science 2020-10-20 Ryan Burt , Nina N. Thigpen , Andreas Keil , Jose C. Principe

In this work a satisfactory, simple theoretical prediction of the data corresponding to observationally (by fine tuning condition) estimated value of the cosmological constant is given. It is supposed (in conceptually analogy with…

Astrophysics · Physics 2007-12-27 Vladan Pankovic , Simo Ciganovic , Jovan Ivanovic , Rade Glavatovic , Petar Grujic

The architecture of iso-orientation domains in the primary visual cortex of placental carnivores and primates apparently follows species invariant quantitative laws. Dynamical optimization models assuming that neurons coordinate their…

Neurons and Cognition · Quantitative Biology 2015-12-01 Manuel Schottdorf , Wolfgang Keil , David Coppola , Leonard E. White , Fred Wolf

Self-supervised learning is a powerful way to learn useful representations from natural data. It has also been suggested as one possible means of building visual representation in humans, but the specific objective and algorithm are…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Binxu Wang , David Mayo , Arturo Deza , Andrei Barbu , Colin Conwell

A logic of reciprocity between inertial frames in relative uniform motion is investigated. Relativity allows any reference frame to apply Lorentz Transformation while reciprocity would require the relative frame to use Inverse…

Mathematical Physics · Physics 2007-05-23 Chao Y. Yang

One of the most frustrating issues in early universe cosmology centers on how to reconcile the vast choice of universes in string theory and in its most plausible high energy sibling, eternal inflation, that jointly generate the string…

General Relativity and Quantum Cosmology · Physics 2016-05-19 David Sloan , Joseph Silk