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Fourier Neural Operators (FNO) offer a principled approach to solving challenging partial differential equations (PDE) such as turbulent flows. At the core of FNO is a spectral layer that leverages a discretization-convergent representation…

机器学习 · 计算机科学 2024-03-06 Robert Joseph George , Jiawei Zhao , Jean Kossaifi , Zongyi Li , Anima Anandkumar

Spectral analysis provides one of the most effective paradigms for information-preserving dimensionality reduction, as simple descriptions of naturally occurring signals are often obtained via few terms of periodic basis functions. In this…

机器学习 · 计算机科学 2022-11-29 Michael Poli , Stefano Massaroli , Federico Berto , Jinykoo Park , Tri Dao , Christopher Ré , Stefano Ermon

The versatility of self-attention mechanism earned transformers great success in almost all data modalities, with limitations on the quadratic complexity and difficulty of training. Efficient transformers, on the other hand, often rely on…

机器学习 · 计算机科学 2024-08-20 Minh Lenhat , Viet Anh Nguyen , Khoa Nguyen , Duong Duc Hieu , Dao Huu Hung , Truong Son Hy

Recently, image restoration transformers have achieved comparable performance with previous state-of-the-art CNNs. However, how to efficiently leverage such architectures remains an open problem. In this work, we present Dual-former whose…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Sixiang Chen , Tian Ye , Yun Liu , Erkang Chen

Medical image segmentation is a crucial task in the field of medical image analysis. Harmonizing the convolution and multi-head self-attention mechanism is a recent research focus in this field, with various combination methods proposed.…

图像与视频处理 · 电气工程与系统科学 2023-09-28 Lichao Wang , Jiahao Huang , Xiaodan Xing , Guang Yang

We propose a new learning method for heterogeneous domain adaptation (HDA), in which the data from the source domain and the target domain are represented by heterogeneous features with different dimensions. Using two different projection…

机器学习 · 计算机科学 2012-06-22 Lixin Duan , Dong Xu , Ivor Tsang

In healthcare, medical image segmentation is crucial for accurate disease diagnosis and the development of effective treatment strategies. Early detection can significantly aid in managing diseases and potentially prevent their progression.…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Bobby Azad , Pourya Adibfar , Kaiqun Fu

Hyperspectral imaging (HSI) provides rich spectral-spatial information across hundreds of contiguous bands, enabling precise material discrimination in applications such as environmental monitoring, agriculture, and urban analysis. However,…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Saad Sohail , Muhammad Usama , Usman Ghous , Manuel Mazzara , Salvatore Distefano , Muhammad Ahmad

According to the 2021 World Health Organization (WHO) Classification scheme for gliomas, glioma segmentation is a very important basis for diagnosis and genotype prediction. In general, 3D multimodal brain MRI is an effective diagnostic…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Xiaoyu Shi , Shurong Chai , Yinhao Li , Jingliang Cheng , Jie Bai , Guohua Zhao , Yen-Wei Chen

Semantic segmentation tasks naturally require high-resolution information for pixel-wise segmentation and global context information for class prediction. While existing vision transformers demonstrate promising performance, they often…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Yu-Huan Wu , Shi-Chen Zhang , Yun Liu , Le Zhang , Xin Zhan , Daquan Zhou , Jiashi Feng , Ming-Ming Cheng , Liangli Zhen

Hyperspectral image super-resolution is essential for enhancing the spatial fidelity of HSI data, yet existing deep learning methods often struggle with substantial spectral redundancy and the limited non-linear modeling capacity of…

图像与视频处理 · 电气工程与系统科学 2026-05-01 Tengya Zhang , Feng Gao , Lin Qi , Junyu Dong , Qian Du

Although deep convolutional networks have been widely studied for head and neck (HN) organs at risk (OAR) segmentation, their use for routine clinical treatment planning is limited by a lack of robustness to imaging artifacts, low soft…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Harini Veeraraghavan , Jue Jiang , Sharif Elguindi , Sean L. Berry , Ifeanyirochukwu Onochie , Aditya Apte , Laura Cervino , Joseph O. Deasy

Recently, Transformer-based image restoration networks have achieved promising improvements over convolutional neural networks due to parameter-independent global interactions. To lower computational cost, existing works generally limit…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Jiale Zhang , Yulun Zhang , Jinjin Gu , Yongbing Zhang , Linghe Kong , Xin Yuan

Accurate medical image segmentation is an integral part of the medical image analysis pipeline that requires the ability to merge local and global information. While vision transformers are able to capture global interactions using vanilla…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Elisha Dayag , Nhat Thanh Tran , Jack Xin

Self-attention has recently been adopted for a wide range of sequence modeling problems. Despite its effectiveness, self-attention suffers from quadratic compute and memory requirements with respect to sequence length. Successful approaches…

机器学习 · 计算机科学 2020-10-27 Aurko Roy , Mohammad Saffar , Ashish Vaswani , David Grangier

Accurate 3D mitochondria instance segmentation in electron microscopy (EM) is a challenging problem and serves as a prerequisite to empirically analyze their distributions and morphology. Most existing approaches employ 3D convolutions to…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Omkar Thawakar , Rao Muhammad Anwer , Jorma Laaksonen , Orly Reiner , Mubarak Shah , Fahad Shahbaz Khan

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…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Junjie Zhou , Yongping Xiong , Chinwai Chiu , Fangyu Liu , Xiangyang Gong

In the context of few-shot classification, the goal is to train a classifier using a limited number of samples while maintaining satisfactory performance. However, traditional metric-based methods exhibit certain limitations in achieving…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Fatemeh Askari , Amirreza Fateh , Mohammad Reza Mohammadi

Accurate medical image segmentation requires effective modeling of both long-range dependencies and fine-grained boundary details. While transformers mitigate the issue of insufficient semantic information arising from the limited receptive…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Yanxin Li , Hui Wan , Libin Lan

Convolutional blocks have played a crucial role in advancing medical image segmentation by excelling in dense prediction tasks. However, their inability to effectively capture long-range dependencies has limited their performance.…

图像与视频处理 · 电气工程与系统科学 2026-03-17 Siddhartha Mallick , Aayushman Ghosh , Jayanta Paul , Jaya Sil