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In a broad range of fields it may be desirable to reuse a supervised classification algorithm and apply it to a new data set. However, generalization of such an algorithm and thus achieving a similar classification performance is only…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Evelien Schat , Rens van de Schoot , Wouter M. Kouw , Duco Veen , Adriënne M. Mendrik

Sparse coding is an unsupervised learning algorithm that learns a succinct high-level representation of the inputs given only unlabeled data; it represents each input as a sparse linear combination of a set of basis functions. Originally…

机器学习 · 计算机科学 2012-06-26 Roger Grosse , Rajat Raina , Helen Kwong , Andrew Y. Ng

Vehicle Routing Problems (VRPs) with diverse real-world attributes have driven recent interest in cross-problem learning approaches that efficiently generalize across problem variants. We propose ARC (Attribute Representation via…

机器学习 · 计算机科学 2025-12-23 Han-Seul Jeong , Youngjoon Park , Hyungseok Song , Woohyung Lim

Face clustering tasks can learn hierarchical semantic information from large-scale data, which has the potential to help facilitate face recognition. However, there are few works on this problem. This paper explores it by proposing a joint…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Zhenduo Zhang

In this paper, we design a Collaborative-Hierarchical Sparse and Low-Rank (C-HiSLR) model that is natural for recognizing human emotion in visual data. Previous attempts require explicit expression components, which are often unavailable…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Xiang Xiang , Minh Dao , Gregory D. Hager , Trac D. Tran

Sequential recommender systems have demonstrated strong capabilities in modeling users' dynamic preferences and capturing item transition patterns. However, real-world user behaviors are often noisy due to factors such as human errors,…

信息检索 · 计算机科学 2026-04-13 Kaike Zhang , Qi Cao , Fei Sun , Xinran Liu , Huawei Shen , Xueqi Cheng

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

计算机视觉与模式识别 · 计算机科学 2021-07-26 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Sparse coding has been popularly used as an effective data representation method in various applications, such as computer vision, medical imaging and bioinformatics, etc. However, the conventional sparse coding algorithms and its manifold…

计算机视觉与模式识别 · 计算机科学 2013-04-04 Jing-Yan Wang

The compressive sensing (CS) scheme exploits much fewer measurements than suggested by the Nyquist-Shannon sampling theorem to accurately reconstruct images, which has attracted considerable attention in the computational imaging community.…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Zhiyuan Zha , Bihan Wen , Xin Yuan , Saiprasad Ravishankar , Jiantao Zhou , Ce Zhu

To accelerate deep CNN models, this paper proposes a novel spatially adaptive framework that can dynamically generate pixel-wise sparsity according to the input image. The sparse scheme is pixel-wise refined, regional adaptive under a…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Chen Tang , Wenyu Sun , Zhuqing Yuan , Yongpan Liu

Robust federated learning aims to maintain reliable performance despite the presence of adversarial or misbehaving workers. While state-of-the-art (SOTA) robust distributed gradient descent (Robust-DGD) methods were proven theoretically…

机器学习 · 计算机科学 2025-05-12 Youssef Allouah , Rachid Guerraoui , Nirupam Gupta , Ahmed Jellouli , Geovani Rizk , John Stephan

Sparsity constrained single image super-resolution (SR) has been of much recent interest. A typical approach involves sparsely representing patches in a low-resolution (LR) input image via a dictionary of example LR patches, and then using…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Hojjat S. Mousavi , Vishal Monga

Estimating 3D shapes and poses of static objects from a single image has important applications for robotics, augmented reality and digital content creation. Often this is done through direct mesh predictions which produces unrealistic,…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Florian Langer , Gwangbin Bae , Ignas Budvytis , Roberto Cipolla

Hyperspectral images provide abundant spatial and spectral information that is very valuable for material detection in diverse areas of practical science. The high-dimensions of data lead to many processing challenges that can be addressed…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Saeideh Ghanbari Azar , Saeed Meshgini , Tohid Yousefi Rezaii , Soosan Beheshti

We propose a flexible ensemble classification framework, Random Subspace Ensemble (RaSE), for sparse classification. In the RaSE algorithm, we aggregate many weak learners, where each weak learner is a base classifier trained in a subspace…

机器学习 · 统计学 2021-06-01 Ye Tian , Yang Feng

Enhancing low resolution images via super-resolution or image synthesis for cross-resolution face recognition has been well studied. Several image processing and machine learning paradigms have been explored for addressing the same. In this…

计算机视觉与模式识别 · 计算机科学 2018-02-23 Maneet Singh , Shruti Nagpal , Richa Singh , Mayank Vatsa , Angshul Majumdar

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,…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Cross-correlation is a popular signal processing technique used in numerous location tracking systems for obtaining reliable range information. However, its efficient design and practical implementation has not yet been achieved on mote…

其他计算机科学 · 计算机科学 2016-06-14 Prasant Misra , Wen Hu , Mingrui Yang , Marco Duarte , Sanjay Jha

In a sparse representation based recognition scheme, it is critical to learn a desired dictionary, aiming both good representational power and discriminative performance. In this paper, we propose a new dictionary learning model for…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Xinglin Piao , Yongli Hu , Yanfeng Sun , Junbin Gao , Baocai Yin

As a long-standing problem in computer vision, face detection has attracted much attention in recent decades for its practical applications. With the availability of face detection benchmark WIDER FACE dataset, much of the progresses have…

计算机视觉与模式识别 · 计算机科学 2019-01-31 Shifeng Zhang , Rui Zhu , Xiaobo Wang , Hailin Shi , Tianyu Fu , Shuo Wang , Tao Mei , Stan Z. Li