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We present a general approach for collaborative filtering (CF) using spectral regularization to learn linear operators from "users" to the "objects" they rate. Recent low-rank type matrix completion approaches to CF are shown to be special…

机器学习 · 计算机科学 2008-12-19 Jacob Abernethy , Francis Bach , Theodoros Evgeniou , Jean-Philippe Vert

Recently regression analysis becomes a popular tool for face recognition. The existing regression methods all use the one-dimensional pixel-based error model, which characterizes the representation error pixel by pixel individually and thus…

计算机视觉与模式识别 · 计算机科学 2014-05-07 Jian Yang , Jianjun Qian , Lei Luo , Fanlong Zhang , Yicheng Gao

In the last decade, the discovery of noncoding RNA(ncRNA) has exploded. Classifying these ncRNA is critical todetermining their function. This thesis proposes a new methodemploying deep convolutional neural networks (CNNs) to classifyncRNA…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Brian McClannahan , Cucong Zhong , Guanghui Wang

Deep learning has gained much success in sentence-level relation classification. For example, convolutional neural networks (CNN) have delivered competitive performance without much effort on feature engineering as the conventional…

计算与语言 · 计算机科学 2015-12-29 Dongxu Zhang , Dong Wang

In order to enhance the performance of image recognition, a sparsity augmented probabilistic collaborative representation based classification (SA-ProCRC) method is presented. The proposed method obtains the dense coefficient through…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Xiao-Yun Cai , He-Feng Yin

Unified representation learning for multi-source data integration faces two important challenges: blockwise missingness and blockwise signal heterogeneity. The former arises from sources observing different, yet potentially overlapping,…

统计方法学 · 统计学 2026-02-13 Ziqi Liu , Ye Tian , Weijing Tang

Noise Contrastive Estimation (NCE) is a powerful parameter estimation method for log-linear models, which avoids calculation of the partition function or its derivatives at each training step, a computationally demanding step in many cases.…

计算与语言 · 计算机科学 2018-09-07 Zhuang Ma , Michael Collins

Models for noncoherent error control in random linear network coding (RLNC) and store and forward (SAF) have been recently proposed. In this paper, we model different types of random network communications as the transmission of flats of…

信息论 · 计算机科学 2015-03-13 Maximilien Gadouleau , Alban Goupil

Subspace segmentation assumes that data comes from the union of different subspaces and the purpose of segmentation is to partition the data into the corresponding subspace. Low-rank representation (LRR) is a classic spectral-type method…

机器学习 · 计算机科学 2020-07-15 Xishun Wang , Zhouwang Yang , Xingye Yue , Hui Wang

Convolutional neural networks (CNNs) have been demonstrated their powerful ability to extract discriminative features for hyperspectral image classification. However, general deep learning methods for CNNs ignore the influence of complex…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Zhiqiang Gong , Xian Zhou , Wen Yao

The "CNN-RNN" design pattern is increasingly widely applied in a variety of image annotation tasks including multi-label classification and captioning. Existing models use the weakly semantic CNN hidden layer or its transform as the image…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Feng Liu , Tao Xiang , Timothy M. Hospedales , Wankou Yang , Changyin Sun

We introduce a novel type of computationally efficient artificial neural network (ANN) called the rank similarity filter (RSF). RSFs can be used to both transform and classify nonlinearly separable datasets with many data points and…

机器学习 · 计算机科学 2021-09-29 Katharine A. Shapcott , Alex D. Bird

Precisely-labeled data sets with sufficient amount of samples are very important for training deep convolutional neural networks (CNNs). However, many of the available real-world data sets contain erroneously labeled samples and those…

计算机视觉与模式识别 · 计算机科学 2016-03-03 Samaneh Azadi , Jiashi Feng , Stefanie Jegelka , Trevor Darrell

We introduce a novel Pseudo-Negative Regularization (PNR) framework for effective continual self-supervised learning (CSSL). Our PNR leverages pseudo-negatives obtained through model-based augmentation in a way that newly learned…

机器学习 · 计算机科学 2024-06-10 Sungmin Cha , Kyunghyun Cho , Taesup Moon

The high cost of data labeling often results in node label shortage in real applications. To improve node classification accuracy, graph-based semi-supervised learning leverages the ample unlabeled nodes to train together with the scarce…

机器学习 · 计算机科学 2023-03-14 Jiaren Xiao , Quanyu Dai , Xiaochen Xie , James Lam , Ka-Wai Kwok

Affine matrix rank minimization problem is a fundamental problem with a lot of important applications in many fields. It is well known that this problem is combinatorial and NP-hard in general. In this paper, a continuous promoting low rank…

最优化与控制 · 数学 2017-05-02 Angang Cui , Jigen Peng , Haiyang Li , Chengyi Zhang , Yongchao Yu

In this study, we propose the integration of competitive learning into convolutional neural networks (CNNs) to improve the representation learning and efficiency of fine-tuning. Conventional CNNs use back propagation learning, and it…

机器学习 · 计算机科学 2018-04-27 Takashi Shinozaki

Trained classification models can unintentionally lead to biased representations and predictions, which can reinforce societal preconceptions and stereotypes. Existing debiasing methods for classification models, such as adversarial…

计算与语言 · 计算机科学 2021-09-23 Aili Shen , Xudong Han , Trevor Cohn , Timothy Baldwin , Lea Frermann

We propose a generalized Sparse Representation- based Classification (SRC) algorithm for open set recognition where not all classes presented during testing are known during training. The SRC algorithm uses class reconstruction errors for…

计算机视觉与模式识别 · 计算机科学 2017-05-09 He Zhang , Vishal M. Patel

Despite the effectiveness of Convolutional Neural Networks (CNNs) for image classification, our understanding of the relationship between shape of convolution kernels and learned representations is limited. In this work, we explore and…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Zhun Sun , Mete Ozay , Takayuki Okatani