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Weakly supervised object localization (WSOL) is a challenging task to localize the object by only category labels. However, there is contradiction between classification and localization because accurate classification network tends to pay…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Ming Li

Despite lagging behind their modal cousins in many respects, Vision Transformers have provided an interesting opportunity to bridge the gap between sequence modeling and image modeling. Up until now however, vision transformers have largely…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Lily Erickson

Attention mechanisms are widely used in current encoder/decoder frameworks of image captioning, where a weighted average on encoded vectors is generated at each time step to guide the caption decoding process. However, the decoder has…

Computer Vision and Pattern Recognition · Computer Science 2019-08-22 Lun Huang , Wenmin Wang , Jie Chen , Xiao-Yong Wei

While convolutional neural networks have shown a tremendous impact on various computer vision tasks, they generally demonstrate limitations in explicitly modeling long-range dependencies due to the intrinsic locality of the convolution…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Guanglei Yang , Hao Tang , Mingli Ding , Nicu Sebe , Elisa Ricci

The hybrid architecture of convolutional neural networks (CNNs) and Transformer are very popular for medical image segmentation. However, it suffers from two challenges. First, although a CNNs branch can capture the local image features…

Image and Video Processing · Electrical Eng. & Systems 2023-12-21 Tao Lei , Rui Sun , Xuan Wang , Yingbo Wang , Xi He , Asoke Nandi

Accurate predictive models of the visual cortex neural response to natural visual stimuli remain a challenge in computational neuroscience. In this work, we introduce V1T, a novel Vision Transformer based architecture that learns a shared…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Bryan M. Li , Isabel M. Cornacchia , Nathalie L. Rochefort , Arno Onken

Vision Transformers (ViTs) have shown impressive performance but still require a high computation cost as compared to convolutional neural networks (CNNs), one reason is that ViTs' attention measures global similarities and thus has a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Haoran You , Yunyang Xiong , Xiaoliang Dai , Bichen Wu , Peizhao Zhang , Haoqi Fan , Peter Vajda , Yingyan Celine Lin

The point cloud learning community witnesses a modeling shift from CNNs to Transformers, where pure Transformer architectures have achieved top accuracy on the major learning benchmarks. However, existing point Transformers are…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Zhang Cheng , Haocheng Wan , Xinyi Shen , Zizhao Wu

Vision Transformers (ViTs) are built on the assumption of treating image patches as ``visual tokens" and learn patch-to-patch attention. The patch embedding based tokenizer has a semantic gap with respect to its counterpart, the textual…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Ryan Grainger , Thomas Paniagua , Xi Song , Naresh Cuntoor , Mun Wai Lee , Tianfu Wu

In computer vision tasks, the ability to focus on relevant regions within an image is crucial for improving model performance, particularly when key features are small, subtle, or spatially dispersed. Convolutional neural networks (CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Mahmudul Hasan

Transformers achieve strong performance across diverse domains but implicitly assume Euclidean geometry in their attention mechanisms, limiting their effectiveness on data with non-Euclidean structure. While recent extensions to hyperbolic…

Machine Learning · Computer Science 2025-10-03 Ryan Y. Lin , Siddhartha Ojha , Nicholas Bai

While models derived from Vision Transformers (ViTs) have been phonemically surging, pre-trained models cannot seamlessly adapt to arbitrary resolution images without altering the architecture and configuration, such as sampling the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Song Zhang , Qingzhong Wang , Jiang Bian , Haoyi Xiong

Multivariate time series (MTS) analysis prevails in real-world applications such as finance, climate science and healthcare. The various self-attention mechanisms, the backbone of the state-of-the-art Transformer-based models, efficiently…

Machine Learning · Computer Science 2023-11-21 Quang Minh Nguyen , Lam M. Nguyen , Subhro Das

Benefiting from the capability of building inter-dependencies among channels or spatial locations, attention mechanisms have been extensively studied and broadly used in a variety of computer vision tasks recently. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Diganta Misra , Trikay Nalamada , Ajay Uppili Arasanipalai , Qibin Hou

Transformers have shown superior performance on various vision tasks. Their large receptive field endows Transformer models with higher representation power than their CNN counterparts. Nevertheless, simply enlarging the receptive field…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Zhuofan Xia , Xuran Pan , Shiji Song , Li Erran Li , Gao Huang

Referring image segmentation is a fundamental vision-language task that aims to segment out an object referred to by a natural language expression from an image. One of the key challenges behind this task is leveraging the referring…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Zhao Yang , Jiaqi Wang , Yansong Tang , Kai Chen , Hengshuang Zhao , Philip H. S. Torr

Although transformers have become the neural architectures of choice for natural language processing, they require orders of magnitude more training data, GPU memory, and computations in order to compete with convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Pranav Jeevan , Amit Sethi

Recently Transformer has shown good performance in several vision tasks due to its powerful modeling capabilities. To reduce the quadratic complexity caused by the attention, some outstanding work restricts attention to local regions or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Fangjian Lin , Yizhe Ma , Sitong Wu , Long Yu , Shengwei Tian

Transformer models have achieved promising performances in point cloud segmentation. However, most existing attention schemes provide the same feature learning paradigm for all points equally and overlook the enormous difference in size…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Junjie Zhou , Yongping Xiong , Chinwai Chiu , Fangyu Liu , Xiangyang Gong

Low-dose CT (LDCT) images are often accompanied by significant noise, which negatively impacts image quality and subsequent diagnostic accuracy. To address the challenges of multi-scale feature fusion and diverse noise distribution patterns…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Zhiting Zheng , Shuqi Wu , Wen Ding