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For classification tasks, dictionary learning based methods have attracted lots of attention in recent years. One popular way to achieve this purpose is to introduce label information to generate a discriminative dictionary to represent…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Shuai Shao , Mengke Wang , Rui Xu , Yan-Jiang Wang , Bao-Di Liu

The memorization effect of deep neural networks (DNNs) plays a pivotal role in recent label noise learning methods. To exploit this effect, the model prediction-based methods have been widely adopted, which aim to exploit the outputs of…

Machine Learning · Computer Science 2022-06-28 Chuang Zhang , Li Shen , Jian Yang , Chen Gong

Most existing metric learning methods focus on learning a similarity or distance measure relying on similar and dissimilar relations between sample pairs. However, pairs of samples cannot be simply identified as similar or dissimilar in…

Machine Learning · Computer Science 2020-08-19 Lifeng Gu

Text Classification is one of the fundamental tasks in natural language processing, which requires an agent to determine the most appropriate category for input sentences. Recently, deep neural networks have achieved impressive performance…

Computation and Language · Computer Science 2023-06-16 Kun Zhang , Le Wu , Guangyi Lv , Enhong Chen , Shulan Ruan , Jing Liu , Zhiqiang Zhang , Jun Zhou , Meng Wang

Convolutional Neural Networks (CNNs) provide excellent performance when used for image classification. The classical method of training CNNs is by labeling images in a supervised manner as in "input image belongs to this label" (Positive…

Machine Learning · Computer Science 2019-08-21 Youngdong Kim , Junho Yim , Juseung Yun , Junmo Kim

Label distribution learning (LDL) is an effective method to predict the label description degree (a.k.a. label distribution) of a sample. However, annotating label distribution (LD) for training samples is extremely costly. So recent…

Machine Learning · Computer Science 2024-05-14 Yuheng Jia , Jiawei Tang , Jiahao Jiang

We investigate fast methods that allow to quickly eliminate variables (features) in supervised learning problems involving a convex loss function and a $l_1$-norm penalty, leading to a potentially substantial reduction in the number of…

Machine Learning · Computer Science 2010-10-28 Laurent El Ghaoui , Vivian Viallon , Tarek Rabbani

In this paper a new dictionary learning algorithm for multidimensional data is proposed. Unlike most conventional dictionary learning methods which are derived for dealing with vectors or matrices, our algorithm, named KTSVD, learns a…

Machine Learning · Computer Science 2016-01-01 Zemin Zhang , Shuchin Aeron

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

With the development of medical imaging technology and machine learning, computer-assisted diagnosis which can provide impressive reference to pathologists, attracts extensive research interests. The exponential growth of medical images and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Xiao Kang , Xingbo Liu , Xiushan Nie , Yilong Yin

Label distribution learning (LDL) is a new machine learning paradigm for solving label ambiguity. Since it is difficult to directly obtain label distributions, many studies are focusing on how to recover label distributions from logical…

Machine Learning · Computer Science 2023-05-17 Yifei Wang , Yiyang Zhou , Jihua Zhu , Xinyuan Liu , Wenbiao Yan , Zhiqiang Tian

Sparsity driven signal processing has gained tremendous popularity in the last decade. At its core, the assumption is that the signal of interest is sparse with respect to either a fixed transformation or a signal dependent dictionary. To…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Yuanming Suo , Minh Dao , Umamahesh Srinivas , Vishal Monga , Trac D. Tran

Recently, considerable research efforts have been devoted to the design of methods to learn from data overcomplete dictionaries for sparse coding. However, learned dictionaries require the solution of an optimization problem for coding new…

Machine Learning · Computer Science 2010-11-17 Curzio Basso , Matteo Santoro , Alessandro Verri , Silvia Villa

Continual Learning (CL) aims to learn new data while remembering previously acquired knowledge. In contrast to CL for image classification, CL for Object Detection faces additional challenges such as the missing annotations problem. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Riccardo De Monte , Davide Dalle Pezze , Marina Ceccon , Francesco Pasti , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto , Nicola Bellotto

Label distribution learning (LDL) is an interpretable and general learning paradigm that has been applied in many real-world applications. In contrast to the simple logical vector in single-label learning (SLL) and multi-label learning…

Machine Learning · Computer Science 2020-07-08 Xinyuan Liu , Jihua Zhu , Qinghai Zheng , Zhongyu Li , Ruixin Liu , Jun Wang

Sparsity inducing regularization is an important part for learning over-complete visual representations. Despite the popularity of $\ell_1$ regularization, in this paper, we investigate the usage of non-convex regularizations in this…

Machine Learning · Computer Science 2017-11-09 Jianqiao Wangni , Dahua Lin

Previous researches have demonstrated that the framework of dictionary learning with sparse coding, in which signals are decomposed as linear combinations of a few atoms of a learned dictionary, is well adept to reconstruction issues. This…

Computer Vision and Pattern Recognition · Computer Science 2012-03-06 Shu Kong , Donghui Wang

Self-supervised learning (SSL) has made enormous progress and largely narrowed the gap with the supervised ones, where the representation learning is mainly guided by a projection into an embedding space. During the projection, current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Lang Huang , Shan You , Mingkai Zheng , Fei Wang , Chen Qian , Toshihiko Yamasaki

Soft labels generated by teacher models have become a dominant paradigm for knowledge transfer and recent large-scale dataset distillation such as SRe2L, RDED, LPLD, offering richer supervision than conventional hard labels. However, we…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Jiacheng Cui , Bingkui Tong , Xinyue Bi , Xiaohan Zhao , Jiacheng Liu , Zhiqiang Shen

This paper presents a novel L1-norm semi-supervised learning algorithm for robust image analysis by giving new L1-norm formulation of Laplacian regularization which is the key step of graph-based semi-supervised learning. Since our L1-norm…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Zhiwu Lu , Yuxin Peng