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Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data. However, a major challenge that hinders both unimodal and multimodal contrastive learning is feature suppression, a…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Jihai Zhang , Xiang Lan , Xiaoye Qu , Yu Cheng , Mengling Feng , Bryan Hooi

Continual learning (CL) aims to empower machine learning models to learn continually from new data, while building upon previously acquired knowledge without forgetting. As models have evolved from small to large pre-trained architectures,…

机器学习 · 计算机科学 2026-03-31 Dianzhi Yu , Xinni Zhang , Yankai Chen , Aiwei Liu , Yifei Zhang , Philip S. Yu , Irwin King

Heterogeneous face recognition (HFR) refers to matching face images acquired from different domains with wide applications in security scenarios. This paper presents a deep neural network approach namely Multi-Margin based Decorrelation…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Bing Cao , Nannan Wang , Xinbo Gao , Jie Li , Zhifeng Li

The outstanding performance of large foundational models across diverse tasks, from computer vision to speech and natural language processing, has significantly increased their demand. However, storing and transmitting these models poses…

Continuous unsupervised representation learning (CURL) research has greatly benefited from improvements in self-supervised learning (SSL) techniques. As a result, existing CURL methods using SSL can learn high-quality representations…

机器学习 · 计算机科学 2023-09-13 Alex Gomez-Villa , Bartlomiej Twardowski , Kai Wang , Joost van de Weijer

Machine Learning (ML) is increasingly being used for computer aided diagnosis of brain related disorders based on structural magnetic resonance imaging (MRI) data. Most of such work employs biologically and medically meaningful hand-crafted…

机器学习 · 计算机科学 2018-05-04 Ayush Jaiswal , Dong Guo , Cauligi S. Raghavendra , Paul Thompson

Subsampling is a widely used and effective approach for addressing the computational challenges posed by massive datasets. Substantial progress has been made in developing non-uniform, probability-based subsampling schemes that prioritize…

统计方法学 · 统计学 2026-05-07 Dingyi Wang , Haiying Wang , Qingpei Hu

Recent paradigms in Random Projection Layer (RPL)-based continual representation learning have demonstrated superior performance when building upon a pre-trained model (PTM). These methods insert a randomly initialized RPL after a PTM to…

机器学习 · 计算机科学 2026-03-20 Ruilin Li , Heming Zou , Xiufeng Yan , Zheming Liang , Jie Yang , Chenliang Li , Xue Yang

We consider Representation Misdirection (RM), a class of large language model (LLM) unlearning methods that achieve forgetting by redirecting the forget-representations, that is, latent representations of forget-samples, toward a target…

Large language models (LLMs) generate high-dimensional embeddings that capture rich semantic and syntactic information. However, high-dimensional embeddings exacerbate computational complexity and storage requirements, thereby hindering…

计算与语言 · 计算机科学 2025-10-15 Biao Zhang , Lixin Chen , Tong Liu , Bo Zheng

Multiple Description Coding (MDC) is an error-resilient source coding method designed for transmission over noisy channels. We present a novel MDC scheme employing a neural network based on implicit neural representation. This involves…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Trung Hieu Le , Xavier Pic , Marc Antonini

Current multilingual vision-language models either require a large number of additional parameters for each supported language, or suffer performance degradation as languages are added. In this paper, we propose a Scalable Multilingual…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Andrea Burns , Donghyun Kim , Derry Wijaya , Kate Saenko , Bryan A. Plummer

Video Coding for Machines (VCM) aims to compress visual signals for machine analysis. However, existing methods only consider a few machines, neglecting the majority. Moreover, the machine's perceptual characteristics are not leveraged…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Qi Zhang , Shanshe Wang , Xinfeng Zhang , Chuanmin Jia , Zhao Wang , Siwei Ma , Wen Gao

In recent years, self-supervised representation learning for skeleton-based action recognition has been developed with the advance of contrastive learning methods. The existing contrastive learning methods use normal augmentations to…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Tianyu Guo , Hong Liu , Zhan Chen , Mengyuan Liu , Tao Wang , Runwei Ding

The deep convolutional neural networks have achieved significant improvements in accuracy and speed for single image super-resolution. However, as the depth of network grows, the information flow is weakened and the training becomes harder…

计算机视觉与模式识别 · 计算机科学 2018-02-27 Yanting Hu , Xinbo Gao , Jie Li , Yuanfei Huang , Hanzi Wang

Unsupervised Continuous Anomaly Detection (UCAD) faces significant challenges in multi-task representation learning, with existing methods suffering from incomplete representation and catastrophic forgetting. Unlike supervised models,…

计算机视觉与模式识别 · 计算机科学 2025-02-11 You Zhou , Jiangshan Zhao , Deyu Zeng , Zuo Zuo , Weixiang Liu , Zongze Wu

Multi-task representation learning (MTRL) is an approach that learns shared latent representations across related tasks, facilitating collaborative learning that improves the overall learning efficiency. This paper studies MTRL for…

机器学习 · 计算机科学 2026-04-07 Yaoze Guo , Shana Moothedath

In recent years, multimodal large language models (MLLMs) have made significant strides by training on vast high-quality image-text datasets, enabling them to generally understand images well. However, the inherent difficulty in explicitly…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yuanze Lin , Yunsheng Li , Dongdong Chen , Weijian Xu , Ronald Clark , Philip Torr , Lu Yuan

We present a robust multiple manifolds structure learning (RMMSL) scheme to robustly estimate data structures under the multiple low intrinsic dimensional manifolds assumption. In the local learning stage, RMMSL efficiently estimates local…

机器学习 · 计算机科学 2012-06-22 Dian Gong , Xuemei Zhao , Gerard Medioni

Tremendous variation in the scale of people/head size is a critical problem for crowd counting. To improve the scale invariance of feature representation, recent works extensively employ Convolutional Neural Networks with multi-column…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Zhi-Qi Cheng , Jun-Xiu Li , Qi Dai , Xiao Wu , Jun-Yan He , Alexander Hauptmann