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Learning self-supervised representations using reconstruction or contrastive losses improves performance and sample complexity of image-based and multimodal reinforcement learning (RL). Here, different self-supervised loss functions have…

机器学习 · 计算机科学 2024-06-27 Philipp Becker , Sebastian Mossburger , Fabian Otto , Gerhard Neumann

Existing SFDA methods struggle to fully use pre-trained knowledge and often rely on a single model's predictions or handcrafted prompts, limiting robustness under domain shift. Multimodal Large Language Models (MLLMs) offer a promising…

机器学习 · 计算机科学 2026-01-07 Dongjie Chen , Kartik Patwari , Zhengfeng Lai , Xiaoguang Zhu , Sen-ching Cheung , Chen-Nee Chuah

Speaker representation learning is crucial for voice recognition systems, with recent advances in self-supervised approaches reducing dependency on labeled data. Current two-stage iterative frameworks, while effective, suffer from…

音频与语音处理 · 电气工程与系统科学 2025-06-03 Danwei Cai , Zexin Cai , Ze Li , Ming Li

Dysarthric speech reconstruction (DSR) aims to transform dysarthric speech into normal speech. It still suffers from low speaker similarity and poor prosody naturalness. In this paper, we propose a multi-modal DSR model by leveraging neural…

声音 · 计算机科学 2024-06-25 Xueyuan Chen , Dongchao Yang , Dingdong Wang , Xixin Wu , Zhiyong Wu , Helen Meng

Skeleton-based action recognition has made great progress recently, but many problems still remain unsolved. For example, most of the previous methods model the representations of skeleton sequences without abundant spatial structure…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Chenyang Si , Ya Jing , Wei Wang , Liang Wang , Tieniu Tan

Contemporary transfer learning-based methods to alleviate the data insufficiency in change detection (CD) are mainly based on ImageNet pre-training. Self-supervised learning (SSL) has recently been introduced to remote sensing (RS) for…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Hao Chen , Yifan Zao , Liqin Liu , Song Chen , Zhenwei Shi

Continual Reinforcement Learning (CRL) is essential for developing agents that can learn, adapt, and accumulate knowledge over time. However, a fundamental challenge persists as agents must strike a delicate balance between plasticity,…

机器学习 · 计算机科学 2025-03-11 Chengqi Zheng , Haiyan Yin , Jianda Chen , Terence Ng , Yew-Soon Ong , Ivor Tsang

Advances in single-cell sequencing have enabled high-resolution profiling of diverse molecular modalities, while integrating unpaired multi-omics single-cell data remains challenging. Existing approaches either rely on pair information or…

定量方法 · 定量生物学 2026-01-21 Jianle Sun , Chaoqi Liang , Ran Wei , Peng Zheng , Lei Bai , Wanli Ouyang , Hongliang Yan , Peng Ye

As the popularity of deep learning (DL) in the field of magnetic resonance imaging (MRI) continues to rise, recent research has indicated that DL-based MRI reconstruction models might be excessively sensitive to minor input disturbances,…

图像与视频处理 · 电气工程与系统科学 2025-10-07 Shijun Liang , Van Hoang Minh Nguyen , Jinghan Jia , Ismail Alkhouri , Sijia Liu , Saiprasad Ravishankar

In facial landmark localization tasks, various occlusions heavily degrade the localization accuracy due to the partial observability of facial features. This paper proposes a structural relation network (SRN) for occlusion-robust landmark…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Congcong Zhu , Xiaoqiang Li , Jide Li , Songmin Dai , Weiqin Tong

In this work, we devote ourselves to the challenging task of Unsupervised Multi-view Representation Learning (UMRL), which requires learning a unified feature representation from multiple views in an unsupervised manner. Existing UMRL…

机器学习 · 计算机科学 2023-03-09 Yiyang Zhou , Qinghai Zheng , Shunshun Bai , Jihua Zhu

Recently many multi-label image recognition (MLR) works have made significant progress by introducing pre-trained object detection models to generate lots of proposals or utilizing statistical label co-occurrence enhance the correlation…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Tao Pu , Mingzhan Sun , Hefeng Wu , Tianshui Chen , Ling Tian , Liang Lin

Deformable shape representations, parameterized by deformations relative to a given template, have proven effective for improved image analysis tasks. However, their broader applicability is hindered by two major challenges. First, existing…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Tonmoy Hossain , Miaomiao Zhang

Single image super resolution (SR), which refers to reconstruct a higher-resolution (HR) image from the observed low-resolution (LR) image, has received substantial attention due to its tremendous application potentials. Despite the…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Yukai Shi , Keze Wang , Chongyu Chen , Li Xu , Liang Lin

Self-Supervised Learning (SSL) is a reliable learning mechanism in which a robot uses an original, trusted sensor cue for training to recognize an additional, complementary sensor cue. We study for the first time in SSL how a robot's…

机器人学 · 计算机科学 2016-03-29 Kevin van Hecke , Guido de Croon , Laurens van der Maaten , Daniel Hennes , Dario Izzo

Self-supervised learning (SSL) has empirically shown its data representation learnability in many downstream tasks. There are only a few theoretical works on data representation learnability, and many of those focus on final data…

机器学习 · 计算机科学 2024-01-09 Ruofeng Yang , Xiangyuan Li , Bo Jiang , Shuai Li

Deep convolutional neural networks (CNNs) have recently achieved great success for single image super-resolution (SISR) task due to their powerful feature representation capabilities. The most recent deep learning based SISR methods focus…

图像与视频处理 · 电气工程与系统科学 2020-09-11 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

We propose a joint subspace recovery and enhanced locality based robust flexible label consistent dictionary learning method called Robust Flexible Discriminative Dictionary Learning (RFDDL). RFDDL mainly improves the data representation…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Zhao Zhang , Jiahuan Ren , Weiming Jiang , Zheng Zhang , Richang Hong , Shuicheng Yan , Meng Wang

Single-cell RNA sequencing (scRNA-seq) offers detailed insights into cellular heterogeneity. Recent advancements leverage single-cell large language models (scLLMs) for effective representation learning. These models focus exclusively on…

机器学习 · 计算机科学 2025-06-05 Yaorui Shi , Jiaqi Yang , Changhao Nai , Sihang Li , Junfeng Fang , Xiang Wang , Zhiyuan Liu , Yang Zhang

In recent years, self-supervised learning has emerged as a powerful tool to harness abundant unlabelled data for representation learning and has been broadly adopted in diverse areas. However, when applied to molecular representation…

机器学习 · 计算机科学 2024-02-22 Han Tang , Shikun Feng , Bicheng Lin , Yuyan Ni , JIngjing Liu , Wei-Ying Ma , Yanyan Lan