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In this work, we propose "Residual Attention Network", a convolutional neural network using attention mechanism which can incorporate with state-of-art feed forward network architecture in an end-to-end training fashion. Our Residual…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Fei Wang , Mengqing Jiang , Chen Qian , Shuo Yang , Cheng Li , Honggang Zhang , Xiaogang Wang , Xiaoou Tang

Discrete flow-based models are a recently proposed class of generative models that learn invertible transformations for discrete random variables. Since they do not require data dequantization and maximize an exact likelihood objective,…

Machine Learning · Computer Science 2021-07-27 Alexandra Lindt , Emiel Hoogeboom

We show that normalising flows become pathological when used to model targets whose supports have complicated topologies. In this scenario, we prove that a flow must become arbitrarily numerically noninvertible in order to approximate the…

Machine Learning · Statistics 2021-04-26 Rob Cornish , Anthony L. Caterini , George Deligiannidis , Arnaud Doucet

Federated learning (FL), as an effective decentralized distributed learning approach, enables multiple institutions to jointly train a model without sharing their local data. However, the domain feature shift caused by different acquisition…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Meng Wang , Kai Yu , Chun-Mei Feng , Yiming Qian , Ke Zou , Lianyu Wang , Rick Siow Mong Goh , Yong Liu , Huazhu Fu

Diffusion models have shown great promise for image and video generation, but sampling from state-of-the-art models requires expensive numerical integration of a generative ODE. One approach for tackling this problem is rectified flows,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Sangyun Lee , Zinan Lin , Giulia Fanti

Viewing recurrent neural networks (RNNs) as continuous-time dynamical systems, we propose a recurrent unit that describes the hidden state's evolution with two parts: a well-understood linear component plus a Lipschitz nonlinearity. This…

Machine Learning · Computer Science 2021-04-27 N. Benjamin Erichson , Omri Azencot , Alejandro Queiruga , Liam Hodgkinson , Michael W. Mahoney

Accurate interpolation of seismic data is crucial for improving the quality of imaging and interpretation. In recent years, deep learning models such as U-Net and generative adversarial networks have been widely applied to seismic data…

DenseNets have been shown to be a competitive model among recent convolutional network architectures. These networks utilize Dense Blocks, which are groups of densely connected layers where the output of a hidden layer is fed in as the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Joseph Chuang , Eric Tsai , Kevin Huang , Jay Fetter

Based on a natural connection between ResNet and transport equation or its characteristic equation, we propose a continuous flow model for both ResNet and plain net. Through this continuous model, a ResNet can be explicitly constructed as a…

Machine Learning · Computer Science 2017-12-12 Zhen Li , Zuoqiang Shi

We propose a simple yet effective method to reduce the redundancy of DenseNet by substantially decreasing the number of stacked modules by replacing the original bottleneck by our SMG module, which is augmented by local residual.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Chuanguang Yang , Zhulin An , Hui Zhu , Xiaolong Hu , Kun Zhang , Kaiqiang Xu , Chao Li , Yongjun Xu

Large pretrained models are increasingly crucial in modern computer vision tasks. These models are typically used in downstream tasks by end-to-end finetuning, which is highly memory-intensive for tasks with high-resolution data, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Chen Zhao , Shuming Liu , Karttikeya Mangalam , Guocheng Qian , Fatimah Zohra , Abdulmohsen Alghannam , Jitendra Malik , Bernard Ghanem

U-Nets have been established as a standard architecture for image-to-image learning problems such as segmentation and inverse problems in imaging. For large-scale data, as it for example appears in 3D medical imaging, the U-Net however has…

Machine Learning · Computer Science 2020-07-01 Christian Etmann , Rihuan Ke , Carola-Bibiane Schönlieb

Recently, the contrastive learning paradigm has achieved remarkable success in high-level tasks such as classification, detection, and segmentation. However, contrastive learning applied in low-level tasks, like image restoration, is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Dongqi Fan , Xin Zhao , Liang Chang

Existing machine learning methods for causal inference usually estimate quantities expressed via the mean of potential outcomes (e.g., average treatment effect). However, such quantities do not capture the full information about the…

Machine Learning · Computer Science 2023-06-21 Valentyn Melnychuk , Dennis Frauen , Stefan Feuerriegel

It is well known that featuremap attention and multi-path representation are important for visual recognition. In this paper, we present a modularized architecture, which applies the channel-wise attention on different network branches to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Hang Zhang , Chongruo Wu , Zhongyue Zhang , Yi Zhu , Haibin Lin , Zhi Zhang , Yue Sun , Tong He , Jonas Mueller , R. Manmatha , Mu Li , Alexander Smola

Convolutional neural networks (CNNs) are the state-of-the-art technique for identifying strong gravitational lenses. Although they are highly successful in recovering genuine lens systems with a high true-positive rate, the unbalanced…

Convolutional Neural Networks (CNNs) have become indispensable for solving machine learning tasks in speech recognition, computer vision, and other areas that involve high-dimensional data. A CNN filters the input feature using a network…

Machine Learning · Computer Science 2020-02-13 Jonathan Ephrath , Moshe Eliasof , Lars Ruthotto , Eldad Haber , Eran Treister

The emergence of ResNet provides a powerful tool for training extremely deep networks. The core idea behind it is to change the learning goals of the network. It no longer learns new features from scratch but learns the difference between…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Peng Hui , Jiamuyang Zhao , Changxin Li , Qingzhen Zhu

Inspired by frame-based methods, state-of-the-art event-based optical flow networks rely on the explicit construction of correlation volumes, which are expensive to compute and store, rendering them unsuitable for robotic applications with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Yilun Wu , Federico Paredes-Vallés , Guido C. H. E. de Croon

In recent years, using a deep convolutional neural network (CNN) as a feature encoder (or backbone) is the most commonly observed architectural pattern in several computer vision methods, and semantic segmentation is no exception. The two…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Venkata Satya Sai Ajay Daliparthi