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Topic modeling based on latent Dirichlet allocation (LDA) has been a framework of choice to perform scene recognition and annotation. Recently, a new type of topic model called the Document Neural Autoregressive Distribution Estimator…

计算机视觉与模式识别 · 计算机科学 2013-05-24 Yin Zheng , Yu-Jin Zhang , Hugo Larochelle

Labeled Latent Dirichlet Allocation (LLDA) is an extension of the standard unsupervised Latent Dirichlet Allocation (LDA) algorithm, to address multi-label learning tasks. Previous work has shown it to perform in par with other…

机器学习 · 统计学 2017-09-19 Yannis Papanikolaou , Grigorios Tsoumakas

This paper presents a structured dictionary-based model for hyperspectral data that incorporates both spectral and contextual characteristics of a spectral sample, with the goal of hyperspectral image classification. The idea is to…

计算机视觉与模式识别 · 计算机科学 2013-08-07 Ali Soltani-Farani , Hamid R. Rabiee , Seyyed Abbas Hosseini

In this paper, we present an effective data augmentation framework leveraging the Large Language Model (LLM) and Diffusion Model (DM) to tackle the challenges inherent in data-scarce scenarios. Recently, DMs have opened up the possibility…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Kyuheon Jung , Yongdeuk Seo , Seongwoo Cho , Jaeyoung Kim , Hyun-seok Min , Sungchul Choi

Referring image segmentation aims to segment the objects referred by a natural language expression. Previous methods usually focus on designing an implicit and recurrent feature interaction mechanism to fuse the visual-linguistic features…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Ya Jing , Tao Kong , Wei Wang , Liang Wang , Lei Li , Tieniu Tan

Large-scale pre-training tasks like image classification, captioning, or self-supervised techniques do not incentivize learning the semantic boundaries of objects. However, recent generative foundation models built using text-based latent…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Koutilya Pnvr , Bharat Singh , Pallabi Ghosh , Behjat Siddiquie , David Jacobs

Topic modeling seeks to uncover latent semantic structure in text, with LDA providing a foundational probabilistic framework. While recent methods often incorporate external knowledge (e.g., pre-trained embeddings), such reliance limits…

机器学习 · 计算机科学 2026-04-01 Tal Ishon , Yoav Goldberg , Uri Shaham

The recent developments in deep learning led to the integration of natural language processing (NLP) with computer vision, resulting in powerful integrated Vision and Language Models (VLMs). Despite their remarkable capabilities, these…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Harshit , Tolga Tasdizen

In Recommender systems, data representation techniques play a great role as they have the power to entangle, hide and reveal explanatory factors embedded within datasets. Hence, they influence the quality of recommendations. Specifically,…

信息检索 · 计算机科学 2020-11-11 Bereket Abera Yilma , Najib Aghenda , Marcelo Romero , Yannick Naudet , Herve Panetto

Image segmentation from referring expressions is a joint vision and language modeling task, where the input is an image and a textual expression describing a particular region in the image; and the goal is to localize and segment the…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Ronghang Hu , Marcus Rohrbach , Subhashini Venugopalan , Trevor Darrell

In-context segmentation has drawn increasing attention with the advent of vision foundation models. Its goal is to segment objects using given reference images. Most existing approaches adopt metric learning or masked image modeling to…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Chaoyang Wang , Xiangtai Li , Henghui Ding , Lu Qi , Jiangning Zhang , Yunhai Tong , Chen Change Loy , Shuicheng Yan

We introduce a non-parametric hierarchical Bayesian approach for open-ended 3D object categorization, named the Local Hierarchical Dirichlet Process (Local-HDP). This method allows an agent to learn independent topics for each category…

计算机视觉与模式识别 · 计算机科学 2021-04-13 H. Ayoobi , H. Kasaei , M. Cao , R. Verbrugge , B. Verheij

Latent Dirichlet allocation (LDA) is a widely-used probabilistic topic modeling paradigm, and recently finds many applications in computer vision and computational biology. In this paper, we propose a fast and accurate batch algorithm,…

机器学习 · 计算机科学 2014-04-09 Jia Zeng , Zhi-Qiang Liu , Xiao-Qin Cao

We introduce Segment-Phrase Table (SPT), a large collection of bijective associations between textual phrases and their corresponding segmentations. Leveraging recent progress in object recognition and natural language semantics, we show…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Hamid Izadinia , Fereshteh Sadeghi , Santosh Kumar Divvala , Yejin Choi , Ali Farhadi

It is widely agreed that open-vocabulary-based approaches outperform classical closed-set training solutions for recognizing unseen objects in images for semantic segmentation. Existing open-vocabulary approaches leverage vision-language…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Huadong Tang , Youpeng Zhao , Yan Huang , Min Xu , Jun Wang , Qiang Wu

Supervised topic models utilize document's side information for discovering predictive low dimensional representations of documents. Existing models apply the likelihood-based estimation. In this paper, we present a general framework of…

机器学习 · 统计学 2013-04-09 Jun Zhu , Amr Ahmed , Eric P. Xing

Domain generalization aims at training on source domains to uncover a domain-invariant feature space, allowing the model to perform robust generalization ability on unknown target domains. However, due to domain gaps, it is hard to find…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Yanmei Wang , Xiyao Liu , Fupeng Chu , Zhi Han

The rapid development of deep learning has driven significant progress in image semantic segmentation - a fundamental task in computer vision. Semantic segmentation algorithms often depend on the availability of pixel-level labels (i.e.,…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Zhaozheng Chen , Qianru Sun

Cross-domain text classification aims at building a classifier for a target domain which leverages data from both source and target domain. One promising idea is to minimize the feature distribution differences of the two domains. Most…

计算与语言 · 计算机科学 2019-01-07 Baoyu Jing , Chenwei Lu , Deqing Wang , Fuzhen Zhuang , Cheng Niu

The recent advancement of large language models has spurred a growing trend of integrating pre-trained language model (PLM) embeddings into topic models, fundamentally reshaping how topics capture semantic structure. Classical models such…

计算与语言 · 计算机科学 2026-03-12 Hanlin Xiao , Mauricio A. Álvarez , Rainer Breitling