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Topic modelling was mostly dominated by Bayesian graphical models during the last decade. With the rise of transformers in Natural Language Processing, however, several successful models that rely on straightforward clustering approaches in…

Machine Learning · Computer Science 2024-03-07 Arik Reuter , Anton Thielmann , Christoph Weisser , Benjamin Säfken , Thomas Kneib

Latent Dirichlet Allocation (LDA) mining thematic structure of documents plays an important role in nature language processing and machine learning areas. However, the probability distribution from LDA only describes the statistical…

Computation and Language · Computer Science 2015-06-30 Li-Qiang Niu , Xin-Yu Dai

We present a new method to visualize data ensembles by constructing structured probabilistic representations in latent spaces, i.e., lower-dimensional representations of spatial data features. Our approach transforms the spatial features of…

Machine Learning · Computer Science 2025-09-17 Cenyang Wu , Qinhan Yu , Liang Zhou

As machine learning becomes more pervasive, there is an urgent need for interpretable explanations of predictive models. Prior work has developed effective methods for visualizing global model behavior, as well as generating local…

Machine Learning · Computer Science 2019-04-02 Matthew Britton

A framework is presented for fitting inverse problem models via variational Bayes approximations. This methodology guarantees flexibility to statistical model specification for a broad range of applications, good accuracy and reduced model…

Methodology · Statistics 2024-09-05 Luca Maestrini , Robert G. Aykroyd , Matt P. Wand

We develop a framework for incorporating structured graphical models in the \emph{encoders} of variational autoencoders (VAEs) that allows us to induce interpretable representations through approximate variational inference. This allows us…

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Gustav Larsson

This paper proposes a new high dimensional regression method by merging Gaussian process regression into a variational autoencoder framework. In contrast to other regression methods, the proposed method focuses on the case where output…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 YoungJoon Yoo , Sangdoo Yun , Hyung Jin Chang , Yiannis Demiris , Jin Young Choi

Visual question answering (VQA) demands simultaneous comprehension of both the image visual content and natural language questions. In some cases, the reasoning needs the help of common sense or general knowledge which usually appear in the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Hui Li , Peng Wang , Chunhua Shen , Anton van den Hengel

Large foundation models have revolutionized the field, yet challenges remain in optimizing multi-modal models for specialized visual tasks. We propose a novel, generalizable methodology to identify preferred image distributions for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Saeid Asgari Taghanaki , Joseph Lambourne , Alana Mongkhounsavath

We introduce a method combining variational autoencoders (VAEs) and deep metric learning to perform Bayesian optimisation (BO) over high-dimensional and structured input spaces. By adapting ideas from deep metric learning, we use label…

Recent advances in diffusion models have achieved remarkable success in isolated computer vision tasks such as text-to-image generation, depth estimation, and optical flow. However, these models are often restricted by a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Yilin Gao , Shuguang Dou , Junzhou Li , Zhiheng Yu , Yin Li , Dongsheng Jiang , Shugong Xu

We present a universal framework to model contextualized sentence representations with visual awareness that is motivated to overcome the shortcomings of the multimodal parallel data with manual annotations. For each sentence, we first…

Computation and Language · Computer Science 2019-11-12 Zhuosheng Zhang , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Hai Zhao

Jointing visual-semantic embeddings (VSE) have become a research hotpot for the task of image annotation, which suffers from the issue of semantic gap, i.e., the gap between images' visual features (low-level) and labels' semantic features…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Guibing Guo , Songlin Zhai , Fajie Yuan , Yuan Liu , Xingwei Wang

Large multimodal models such as Stable Diffusion can generate, detect, and classify new visual concepts after fine-tuning just a single word embedding. Do models learn similar words for the same concepts (i.e. <orange-cat> = orange + cat)?…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Brandon Trabucco , Max Gurinas , Kyle Doherty , Ruslan Salakhutdinov

This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

Topic models are a useful analysis tool to uncover the underlying themes within document collections. The dominant approach is to use probabilistic topic models that posit a generative story, but in this paper we propose an alternative way…

Computation and Language · Computer Science 2020-10-08 Suzanna Sia , Ayush Dalmia , Sabrina J. Mielke

As a widely recognized approach to deep generative modeling, Variational Auto-Encoders (VAEs) still face challenges with the quality of generated images, often presenting noticeable blurriness. This issue stems from the unrealistic…

Machine Learning · Computer Science 2023-05-22 Georgios Batzolis , Jan Stanczuk , Carola-Bibiane Schönlieb

Background: Building visual encoding models to accurately predict visual responses is a central challenge for current vision-based brain-machine interface techniques. To achieve high prediction accuracy on neural signals, visual encoding…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Chi Zhang , Kai Qiao , Linyuan Wang , Li Tong , Guoen Hu , Ruyuan Zhang , Bin Yan

As a cross-modal task, visual storytelling aims to generate a story for an ordered image sequence automatically. Different from the image captioning task, visual storytelling requires not only modeling the relationships between objects in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Weiran Chen , Xin Li , Jiaqi Su , Guiqian Zhu , Ying Li , Yi Ji , Chunping Liu
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