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Related papers: Factorized Multi-Modal Topic Model

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We propose a new problem called coordinated topic modeling that imitates human behavior while describing a text corpus. It considers a set of well-defined topics like the axes of a semantic space with a reference representation. It then…

Computation and Language · Computer Science 2022-10-25 Pritom Saha Akash , Jie Huang , Kevin Chen-Chuan Chang

Attention mechanisms have attracted considerable interest in image captioning because of its powerful performance. Existing attention-based models use feedback information from the caption generator as guidance to determine which of the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Zhihao Zhu , Zhan Xue , Zejian Yuan

The probabilistic topic model imposes a low-rank structure on the expectation of the corpus matrix. Therefore, singular value decomposition (SVD) is a natural tool of dimension reduction. We propose an SVD-based method for estimating a…

Methodology · Statistics 2022-08-31 Zheng Tracy Ke , Minzhe Wang

In the probabilistic topic models, the quantity of interest---a low-rank matrix consisting of topic vectors---is hidden in the text corpus matrix, masked by noise, and the Singular Value Decomposition (SVD) is a potentially useful tool for…

Methodology · Statistics 2016-08-17 Zheng Tracy Ke

Probabilistic topic models are a powerful tool for extracting latent themes from large text datasets. In many text datasets, we also observe per-document covariates (e.g., source, style, political affiliation) that act as environments that…

Computation and Language · Computer Science 2024-11-04 Dominic Sobhani , Amir Feder , David Blei

Dialogue related Machine Reading Comprehension requires language models to effectively decouple and model multi-turn dialogue passages. As a dialogue development goes after the intentions of participants, its topic may not keep constant…

Computation and Language · Computer Science 2023-09-19 Xinbei Ma , Yi Xu , Hai Zhao , Zhuosheng Zhang

Topic models, such as Latent Dirichlet Allocation (LDA), posit that documents are drawn from admixtures of distributions over words, known as topics. The inference problem of recovering topics from admixtures, is NP-hard. Assuming…

Machine Learning · Statistics 2014-11-05 Trapit Bansal , Chiranjib Bhattacharyya , Ravindran Kannan

Recently, deep cross-modal hashing has gained increasing attention. However, in many practical cases, data are distributed and cannot be collected due to privacy concerns, which greatly reduces the cross-modal hashing performance on each…

Machine Learning · Computer Science 2022-10-31 Jiale Liu , Yu-Wei Zhan , Xin Luo , Zhen-Duo Chen , Yongxin Wang , Xin-Shun Xu

This paper introduces the factorial marked temporal point process model and presents efficient learning methods. In conventional (multi-dimensional) marked temporal point process models, event is often encoded by a single discrete variable…

Machine Learning · Computer Science 2018-01-23 Weichang Wu , Junchi Yan , Xiaokang Yang , Hongyuan Zha

Topic Modelling is one of the most prevalent text analysis technique used to explore and retrieve collection of documents. The evaluation of the topic model algorithms is still a very challenging tasks due to the absence of gold-standard…

Information Retrieval · Computer Science 2022-03-10 Antonio Penta

Learning meaningful topic models with massive document collections which contain millions of documents and billions of tokens is challenging because of two reasons: First, one needs to deal with a large number of topics (typically in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-12-17 Hsiang-Fu Yu , Cho-Jui Hsieh , Hyokun Yun , S. V. N Vishwanathan , Inderjit S. Dhillon

Biological signals of interest in high-dimensional data are often masked by dominant variation shared across conditions. This variation, arising from baseline biological structure or technical effects, can prevent standard dimensionality…

Machine Learning · Computer Science 2026-02-27 Yixuan Li , Archer Y. Yang , Yue Li

Recent advances in self-supervised modeling of text and images open new opportunities for computational models of child language acquisition, which is believed to rely heavily on cross-modal signals. However, prior studies have been limited…

Computation and Language · Computer Science 2022-05-13 Uri Berger , Gabriel Stanovsky , Omri Abend , Lea Frermann

The focus of this survey is on the analysis of two modalities of multimodal deep learning: image and text. Unlike classic reviews of deep learning where monomodal image classifiers such as VGG, ResNet and Inception module are central…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Wei Chen , Weiping Wang , Li Liu , Michael S. Lew

Topic models have been the prominent tools for automatic topic discovery from text corpora. Despite their effectiveness, topic models suffer from several limitations including the inability of modeling word ordering information in…

Computation and Language · Computer Science 2022-02-10 Yu Meng , Yunyi Zhang , Jiaxin Huang , Yu Zhang , Jiawei Han

In our study, we propose a self-supervised neural topic model (NTM) that combines the power of NTMs and regularized self-supervised learning methods to improve performance. NTMs use neural networks to learn latent topics hidden behind the…

Machine Learning · Computer Science 2025-02-27 Weiran Xu , Kengo Hirami , Koji Eguchi

In real world clinical environments, training and applying deep learning models on multi-modal medical imaging data often struggles with partially incomplete data. Standard approaches either discard missing samples, require imputation or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Christoph Fürböck , Paul Weiser , Branko Mitic , Philipp Seeböck , Thomas Helbich , Georg Langs

Multi-modal learning is typically performed with network architectures containing modality-specific layers and shared layers, utilizing co-registered images of different modalities. We propose a novel learning scheme for unpaired…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Qi Dou , Quande Liu , Pheng Ann Heng , Ben Glocker

Besides the text content, documents and their associated words usually come with rich sets of meta informa- tion, such as categories of documents and semantic/syntactic features of words, like those encoded in word embeddings. Incorporating…

Computation and Language · Computer Science 2017-09-20 He Zhao , Lan Du , Wray Buntine , Gang Liu

Oftentimes, patterns can be represented through different modalities. For example, leaf data can be in the form of images or contours. Handwritten characters can also be either online or offline. To exploit this fact, we propose the use of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Shinnosuke Matsuo , Seiichi Uchida , Brian Kenji Iwana