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Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most methods mainly focus on the instance level information (\ie,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

In this paper, we develop a symmetric accelerated stochastic Alternating Direction Method of Multipliers (SAS-ADMM) for solving separable convex optimization problems with linear constraints. The objective function is the sum of a possibly…

Optimization and Control · Mathematics 2021-12-21 Jianchao Bai , Deren Han , Hao Sun , Hongchao Zhang

Large Language Models (LLMs) demonstrate impressive ability in handling reasoning tasks. However, unlike humans who can instinctively adapt their problem-solving strategies to the complexity of task, most LLM-based methods adopt a…

Computation and Language · Computer Science 2024-12-24 Jianpeng Zhou , Wanjun Zhong , Yanlin Wang , Jiahai Wang

Subset selection from massive data with noised information is increasingly popular for various applications. This problem is still highly challenging as current methods are generally slow in speed and sensitive to outliers. To address the…

Machine Learning · Computer Science 2014-11-18 Feiyun Zhu , Bin Fan , Xinliang Zhu , Ying Wang , Shiming Xiang , Chunhong Pan

In the domain of multimedia and multimodal processing, the efficient handling of diverse data streams such as images, video, and sensor data is paramount. Model compression and multitask learning (MTL) are crucial in this field, offering…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Mingcan Xiang , Steven Jiaxun Tang , Qizheng Yang , Hui Guan , Tongping Liu

With the excellent accuracy and feasibility, the Neural Networks have been widely applied into the novel intelligent applications and systems. However, with the appearance of the Adversarial Attack, the NN based system performance becomes…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Fuxun Yu , Qide Dong , Xiang Chen

In this paper, we propose a novel adaptive sieving (AS) technique and an enhanced AS (EAS) technique, which are solver independent and could accelerate optimization algorithms for solving large scale convex optimization problems with…

Optimization and Control · Mathematics 2021-08-18 Yancheng Yuan , Tsung-Hui Chang , Defeng Sun , Kim-Chuan Toh

The computational cost of softmax-based attention in transformers limits their applicability to long-context tasks. Adaptive sparsity, of which $\alpha$-entmax attention is an example, offers a flexible data-dependent alternative, but…

Computation and Language · Computer Science 2025-06-10 Nuno Gonçalves , Marcos Treviso , André F. T. Martins

Deep learning models in large-scale machine learning systems are often continuously trained with enormous data from production environments. The sheer volume of streaming training data poses a significant challenge to real-time training…

Machine Learning · Computer Science 2021-04-28 Chaosheng Dong , Xiaojie Jin , Weihao Gao , Yijia Wang , Hongyi Zhang , Xiang Wu , Jianchao Yang , Xiaobing Liu

Although deep learning has demonstrated astonishing performance in many applications, there are still concerns about its dependability. One desirable property of deep learning applications with societal impact is fairness (i.e.,…

Machine Learning · Computer Science 2021-07-30 Peixin Zhang , Jingyi Wang , Jun Sun , Xinyu Wang , Guoliang Dong , Xingen Wang , Ting Dai , Jin Song Dong

Recent advancement in deep learning encouraged developing large automatic speech recognition (ASR) models that achieve promising results while ignoring computational and memory constraints. However, deploying such models on low resource…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Abdul Hannan , Alessio Brutti , Shah Nawaz , Mubashir Noman

Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS)…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Kunhao Yuan , Gerald Schaefer , Yu-Kun Lai , Yifan Wang , Xiyao Liu , Lin Guan , Hui Fang

Absence of large-scale labeled data in the practitioner's target domain can be a bottleneck to applying machine learning algorithms in practice. Transfer learning is a popular strategy for leveraging additional data to improve the…

Machine Learning · Computer Science 2022-06-22 Tianshi Cao , Sasha Doubov , David Acuna , Sanja Fidler

Supervised deep learning requires a large amount of training samples with annotations (e.g. label class for classification task, pixel- or voxel-wised label map for segmentation tasks), which are expensive and time-consuming to obtain.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Yuanhan Mo , Shuo Wang , Chengliang Dai , Rui Zhou , Zhongzhao Teng , Wenjia Bai , Yike Guo

Adaptive gradient methods have become popular in optimizing deep neural networks; recent examples include AdaGrad and Adam. Although Adam usually converges faster, variations of Adam, for instance, the AdaBelief algorithm, have been…

Machine Learning · Computer Science 2024-10-29 Kushal Chakrabarti , Nikhil Chopra

Loss functions and sample mining strategies are essential components in deep metric learning algorithms. However, the existing loss function or mining strategy often necessitate the incorporation of additional hyperparameters, notably the…

Multimedia · Computer Science 2024-05-01 Xiruo Jiang , Yazhou Yao , Sheng Liu , Fumin Shen , Liqiang Nie , Xiansheng Hua

Sharpness-Aware Minimization (SAM) has emerged as a promising approach for effectively reducing the generalization error. However, SAM incurs twice the computational cost compared to base optimizer (e.g., SGD). We propose Asymptotic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Jiaxin Deng , Junbiao Pang , Baochang Zhang

Softmax with the cross entropy loss is the standard configuration for current neural classification models. The gold score for a target class is supposed to be 1, but it is never reachable under the softmax schema. Such a problem makes the…

Machine Learning · Computer Science 2025-08-06 Qi Lv , Lei Geng , Ziqiang Cao , Min Cao , Sujian Li , Wenjie Li , Guohong Fu

Stochastic approximation (SA) is a key method used in statistical learning. Recently, its non-asymptotic convergence analysis has been considered in many papers. However, most of the prior analyses are made under restrictive assumptions…

Machine Learning · Statistics 2019-06-18 Belhal Karimi , Blazej Miasojedow , Eric Moulines , Hoi-To Wai

Pseudospectral analysis is fundamental for quantifying the sensitivity and transient behavior of nonnormal matrices, yet its computational cost scales cubically with dimension, rendering it prohibitive for large-scale systems. While…

Numerical Analysis · Mathematics 2026-02-03 Vladimir R. Kostic , Dragana Lj. Cvetkovic , Ljiljana Cvetkovic