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Supervised topic models simultaneously model the latent topic structure of large collections of documents and a response variable associated with each document. Existing inference methods are based on variational approximation or Monte…

机器学习 · 计算机科学 2016-02-22 Yong Ren , Yining Wang , Jun Zhu

With the development of deep learning, supervised learning has frequently been adopted to classify remotely sensed images using convolutional networks (CNNs). However, due to the limited amount of labeled data available, supervised learning…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Daoyu Lin , Kun Fu , Yang Wang , Guangluan Xu , Xian Sun

Visual saliency is a fundamental problem in both cognitive and computational sciences, including computer vision. In this CVPR 2015 paper, we discover that a high-quality visual saliency model can be trained with multiscale features…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Guanbin Li , Yizhou Yu

This paper introduces a new unsupervised method for dimensionality reduction via regression (DRR). The algorithm belongs to the family of invertible transforms that generalize Principal Component Analysis (PCA) by using curvilinear instead…

机器学习 · 统计学 2016-02-02 Valero Laparra , Jesus Malo , Gustau Camps-Valls

We used the Ladder Network [Rasmus et al. (2015)] to perform Hyperspectral Image Classification in a semi-supervised setting. The Ladder Network distinguishes itself from other semi-supervised methods by jointly optimizing a supervised and…

计算机视觉与模式识别 · 计算机科学 2018-12-05 Julian Büchel , Okan Ersoy

In this article, we address the issue of recovering latent transparent layers from superimposition images. Here, we assume we have the estimated transformations and extracted gradients of latent layers. To rapidly recover high-quality image…

计算机视觉与模式识别 · 计算机科学 2012-11-20 Han Li , Kun Gai , Pinghua Gong , Changshui Zhang

Diffusion models have shown superior performance on unsupervised anomaly detection tasks. Since trained with normal data only, diffusion models tend to reconstruct normal counterparts of test images with certain noises added. However, these…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Hang Yao , Ming Liu , Haolin Wang , Zhicun Yin , Zifei Yan , Xiaopeng Hong , Wangmeng Zuo

Canonical correlation analysis (CCA) is a classical representation learning technique for finding correlated variables in multi-view data. Several nonlinear extensions of the original linear CCA have been proposed, including kernel and deep…

机器学习 · 计算机科学 2016-02-09 Tomer Michaeli , Weiran Wang , Karen Livescu

Deep learning architectures are an extremely powerful tool for recognizing and classifying images. However, they require supervised learning and normally work on vectors the size of image pixels and produce the best results when trained on…

机器学习 · 计算机科学 2020-10-20 Ryan Burt , Nina N. Thigpen , Andreas Keil , Jose C. Principe

Generalized canonical correlation analysis (GCCA) aims at finding latent low-dimensional common structure from multiple views (feature vectors in different domains) of the same entities. Unlike principal component analysis (PCA) that…

机器学习 · 统计学 2017-08-02 Xiao Fu , Kejun Huang , Mingyi Hong , Nicholas D. Sidiropoulos , Anthony Man-Cho So

Principal component analysis (PCA) is a key statistical technique for multivariate data analysis. For large data sets the common approach to PCA computation is based on the standard NIPALS-PCA algorithm, which unfortunately suffers from…

定量方法 · 定量生物学 2008-11-10 M. Andrecut

Information from an image occurs over multiple and distinct spatial scales. Image pyramid multiresolution representations are a useful data structure for image analysis and manipulation over a spectrum of spatial scales. This paper employs…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Steve T. M. Ataky , Diego Saqui , Jonathan de Matos , Alceu S. Britto , Alessandro L. Koerich

Recent advances in 3D Gaussian splatting have significantly improved real-time novel view synthesis, yet insufficient geometric constraints during scene optimization often result in blurred reconstructions of fine-grained details,…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Zheng Zhou , Jia-Chen Zhang , Yu-Jie Xiong , Chun-Ming Xia

Multiview canonical correlation analysis (MCCA) seeks latent low-dimensional representations encountered with multiview data of shared entities (a.k.a. common sources). However, existing MCCA approaches do not exploit the geometry of the…

信号处理 · 电气工程与系统科学 2019-05-22 Jia Chen , Gang Wang , Georgios B. Giannakis

Data augmentation is vital for deep learning neural networks. By providing massive training samples, it helps to improve the generalization ability of the model. Weakly supervised semantic segmentation (WSSS) is a challenging problem that…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Yukun Su , Ruizhou Sun , Guosheng Lin , Qingyao Wu

Multi-spectral imagery is invaluable for remote sensing due to different spectral signatures exhibited by materials that often appear identical in greyscale and RGB imagery. Paired with modern deep learning methods, this modality has great…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Utkarsh Singhal , Stella X. Yu , Zackery Steck , Scott Kangas , Aaron A. Reite

The success of machine learning models relies heavily on effectively representing high-dimensional data. However, ensuring data representations capture human-understandable concepts remains difficult, often requiring the incorporation of…

机器学习 · 统计学 2024-11-01 Jiayu Su , David A. Knowles , Raul Rabadan

By leveraging contrastive learning, clustering, and other pretext tasks, unsupervised methods for learning image representations have reached impressive results on standard benchmarks. The result has been a crowded field - many methods with…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Matthew Gwilliam , Abhinav Shrivastava

This paper introduces a novel heterogenous domain adaptation (HDA) method for hyperspectral image classification with a limited amount of labeled samples in both domains. The method is achieved in the way of cross-domain collaborative…

图像与视频处理 · 电气工程与系统科学 2019-06-26 Yao Qin , Lorenzo Bruzzone , Biao Li , Yuanxin Ye

Contrastive Analysis (CA) deals with the discovery of what is common and what is distinctive of a target domain compared to a background one. This is of great interest in many applications, such as medical imaging. Current state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Florence Carton , Robin Louiset , Pietro Gori