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For person re-identification (re-id), attention mechanisms have become attractive as they aim at strengthening discriminative features and suppressing irrelevant ones, which matches well the key of re-id, i.e., discriminative feature…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Xin Jin , Zhibo Chen

Latent Dirichlet Allocation (LDA) is a popular tool for analyzing discrete count data such as text and images. Applications require LDA to handle both large datasets and a large number of topics. Though distributed CPU systems have been…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-21 Kaiwei Li , Jianfei Chen , Wenguang Chen , Jun Zhu

Local learning offers an alternative to traditional end-to-end back-propagation in deep neural networks, significantly reducing GPU memory consumption. Although it has shown promise in image classification tasks, its extension to other…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Feiyu Zhu , Yuming Zhang , Xiuyuan Guo , Hengyu Shi , Junfeng Luo , Junhao Su , Jialin Gao

Fine-grained recognition involves the classification of images from subordinate macro-categories, and it is challenging due to small inter-class differences. To overcome this, most methods perform discriminative feature selection enabled by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Edwin Arkel Rios , Min-Chun Hu , Bo-Cheng Lai

The current existing deep image super-resolution methods usually assume that a Low Resolution (LR) image is bicubicly downscaled of a High Resolution (HR) image. However, such an ideal bicubic downsampling process is different from the real…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Rao Muhammad Umer , Christian Micheloni

This paper introduces a lightweight image super-resolution (SR) network, termed the Multi-scale Spatial Adaptive Attention Network (MSAAN), to address the common dilemma between high reconstruction fidelity and low model complexity in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Sushi Rao , Jingwei Li

The performance of an optimizer on large-scale deep learning models depends critically on fine-tuning the learning rate, often requiring an extensive grid search over base learning rates, schedules, and other hyperparameters. In this paper,…

Machine Learning · Computer Science 2025-06-11 Ruichen Jiang , Ali Kavis , Aryan Mokhtari

Locally supervised learning aims to train a neural network based on a local estimation of the global loss function at each decoupled module of the network. Auxiliary networks are typically appended to the modules to approximate the gradient…

Machine Learning · Computer Science 2022-08-02 Hasnain Irshad Bhatti , Jaekyun Moon

Computer-aided diagnosis via deep learning relies on large-scale annotated data sets, which can be costly when involving expert knowledge. Semi-supervised learning (SSL) mitigates this challenge by leveraging unlabeled data. One effective…

Machine Learning · Computer Science 2020-05-25 Prashnna Kumar Gyawali , Sandesh Ghimire , Pradeep Bajracharya , Zhiyuan Li , Linwei Wang

Non-local self similarity (NSS) is a powerful prior of natural images for image denoising. Most of existing denoising methods employ similar patches, which is a patch-level NSS prior. In this paper, we take one step forward by introducing a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Yingkun Hou , Jun Xu , Mingxia Liu , Guanghai Liu , Li Liu , Fan Zhu , Ling Shao

Deep learning techniques have been widely applied to hyperspectral image (HSI) classification and have achieved great success. However, the deep neural network model has a large parameter space and requires a large number of labeled data.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Qiqi Zhu , Weihuan Deng , Zhuo Zheng , Yanfei Zhong , Qingfeng Guan , Weihua Lin , Liangpei Zhang , Deren Li

Recently, Transformer-based architecture has been introduced into single image deraining task due to its advantage in modeling non-local information. However, existing approaches tend to integrate global features based on a dense…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Zhentao Fan , Hongming Chen , Yufeng Li

Single image super-resolution (SISR) is of great importance as a low-level computer vision task. The fast development of Generative Adversarial Network (GAN) based deep learning architectures realises an efficient and effective SISR to…

Image and Video Processing · Electrical Eng. & Systems 2019-01-14 Jin Zhu , Guang Yang , Pietro Lio

In real-world single image super-resolution (SISR) task, the low-resolution image suffers more complicated degradations, not only downsampled by unknown kernels. However, existing SISR methods are generally studied with the synthetic…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Guanghao Yin , Shouqian Sun , Chao Li , Xin Min

Super-resolution (SR) applied to real-world low-resolution (LR) images often results in complex, irregular degradations that stem from the inherent complexity of natural scene acquisition. In contrast to SR artifacts arising from synthetic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Kian Majlessi , Amir Masoud Soltani , Mohammad Ebrahim Mahdavi , Aurelien Gourrier , Peyman Adibi

Image super-resolution (SR) techniques have been developing rapidly, benefiting from the invention of deep networks and its successive breakthroughs. However, it is acknowledged that deep learning and deep neural networks are difficult to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jinjin Gu , Chao Dong

This paper advocates incorporating a Low-Rank Global Attention (LRGA) module, a computation and memory efficient variant of the dot-product attention (Vaswani et al., 2017), to Graph Neural Networks (GNNs) for improving their generalization…

Machine Learning · Computer Science 2020-11-13 Omri Puny , Heli Ben-Hamu , Yaron Lipman

Informative features play a crucial role in the single image super-resolution task. Channel attention has been demonstrated to be effective for preserving information-rich features in each layer. However, channel attention treats each…

Image and Video Processing · Electrical Eng. & Systems 2020-08-21 Ben Niu , Weilei Wen , Wenqi Ren , Xiangde Zhang , Lianping Yang , Shuzhen Wang , Kaihao Zhang , Xiaochun Cao , Haifeng Shen

Anomaly detection is a fundamental yet challenging problem in machine learning due to the lack of label information. In this work, we propose a novel and powerful framework, dubbed as SLA$^2$P, for unsupervised anomaly detection. After…

Machine Learning · Computer Science 2021-11-29 Yizhou Wang , Can Qin , Rongzhe Wei , Yi Xu , Yue Bai , Yun Fu

To improve the robustness of graph neural networks (GNN), graph structure learning (GSL) has attracted great interest due to the pervasiveness of noise in graph data. Many approaches have been proposed for GSL to jointly learn a clean graph…

Machine Learning · Computer Science 2023-07-06 Shaogao Lv , Gang Wen , Shiyu Liu , Linsen Wei , Ming Li