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Intrigued by the inherent ability of the human visual system to identify salient regions in complex scenes, attention mechanisms have been seamlessly integrated into various Computer Vision (CV) tasks. Building upon this paradigm, Vision…

Benign overfitting refers to how over-parameterized neural networks can fit training data perfectly and generalize well to unseen data. While this has been widely investigated theoretically, existing works are limited to two-layer networks…

机器学习 · 计算机科学 2024-10-28 Shuning Shang , Xuran Meng , Yuan Cao , Difan Zou

With Vision Transformers (ViTs) making great advances in a variety of computer vision tasks, recent literature have proposed various variants of vanilla ViTs to achieve better efficiency and efficacy. However, it remains unclear how their…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Rui Tian , Zuxuan Wu , Qi Dai , Han Hu , Yu-Gang Jiang

This paper tackles a significant challenge faced by Vision Transformers (ViTs): their constrained scalability across different image resolutions. Typically, ViTs experience a performance decline when processing resolutions different from…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Qihang Fan , Quanzeng You , Xiaotian Han , Yongfei Liu , Yunzhe Tao , Huaibo Huang , Ran He , Hongxia Yang

Can a lightweight Vision Transformer (ViT) match or exceed the performance of Convolutional Neural Networks (CNNs) like ResNet on small datasets with small image resolutions? This report demonstrates that a pure ViT can indeed achieve…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Jen Hong Tan

Transfer learning is a key component of modern machine learning, enhancing the performance of target tasks by leveraging diverse data sources. Simultaneously, overparameterized models such as the minimum-$\ell_2$-norm interpolator (MNI) in…

机器学习 · 统计学 2026-01-19 Yeichan Kim , Ilmun Kim , Seyoung Park

What constitutes an object? This has been a long-standing question in computer vision. Towards this goal, numerous learning-free and learning-based approaches have been developed to score objectness. However, they generally do not scale…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Muhammad Maaz , Hanoona Rasheed , Salman Khan , Fahad Shahbaz Khan , Rao Muhammad Anwer , Ming-Hsuan Yang

The recent advances in image transformers have shown impressive results and have largely closed the gap between traditional CNN architectures. The standard procedure is to train on large datasets like ImageNet-21k and then finetune on…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Ethan Huynh

As a special type of transformer, Vision Transformers (ViTs) are used to various computer vision applications (CV), such as image recognition. There are several potential problems with convolutional neural networks (CNNs) that can be solved…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Sonain Jamil , Md. Jalil Piran , Oh-Jin Kwon

Neuroimaging of large populations is valuable to identify factors that promote or resist brain disease, and to assist diagnosis, subtyping, and prognosis. Data-driven models such as convolutional neural networks (CNNs) have increasingly…

图像与视频处理 · 电气工程与系统科学 2023-03-16 Nikhil J. Dhinagar , Sophia I. Thomopoulos , Emily Laltoo , Paul M. Thompson

There has been a debate about the superiority between vision Transformers and ConvNets, serving as the backbone of computer vision models. Although they are usually considered as two completely different architectures, in this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Chong Zhou , Chen Change Loy , Bo Dai

Recently, Vision Transformers (ViTs) have achieved unprecedented effectiveness in the general domain of image classification. Nonetheless, these models remain underexplored in the field of deepfake detection, given their lower performance…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Dat Nguyen , Marcella Astrid , Enjie Ghorbel , Djamila Aouada

Benign overfitting, the phenomenon where interpolating models generalize well in the presence of noisy data, was first observed in neural network models trained with gradient descent. To better understand this empirical observation, we…

机器学习 · 计算机科学 2025-07-04 Spencer Frei , Niladri S. Chatterji , Peter L. Bartlett

We introduce a self-supervised vision representation model BEiT, which stands for Bidirectional Encoder representation from Image Transformers. Following BERT developed in the natural language processing area, we propose a masked image…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Hangbo Bao , Li Dong , Songhao Piao , Furu Wei

Although deep learning models have had great success in natural language processing and computer vision, we do not observe comparable improvements in the case of tabular data, which is still the most common data type used in biological,…

机器学习 · 计算机科学 2025-04-28 Witold Wydmański , Ulvi Movsum-zada , Jacek Tabor , Marek Śmieja

Vision Transformer (ViT) has performed remarkably in various computer vision tasks. Nonetheless, affected by the massive amount of parameters, ViT usually suffers from serious overfitting problems with a relatively limited number of…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Tian Gao , Cheng-Zhong Xu , Le Zhang , Hui Kong

Vision transformers (ViTs) have found only limited practical use in processing images, in spite of their state-of-the-art accuracy on certain benchmarks. The reason for their limited use include their need for larger training datasets and…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Pranav Jeevan , Amit sethi

Vision transformer (ViT) models exhibit substandard optimizability. In particular, they are sensitive to the choice of optimizer (AdamW vs. SGD), optimizer hyperparameters, and training schedule length. In comparison, modern convolutional…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Tete Xiao , Mannat Singh , Eric Mintun , Trevor Darrell , Piotr Dollár , Ross Girshick

Recently, pure transformer-based models have shown great potentials for vision tasks such as image classification and detection. However, the design of transformer networks is challenging. It has been observed that the depth, embedding…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Minghao Chen , Houwen Peng , Jianlong Fu , Haibin Ling

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque