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Skeleton-based Temporal Action Segmentation involves the dense action classification of variable-length skeleton sequences. Current approaches primarily apply graph-based networks to extract framewise, whole-body-level motion…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Bowen Chen , Haoyu Ji , Zhiyong Wang , Benjamin Filtjens , Chunzhuo Wang , Weihong Ren , Bart Vanrumste , Honghai Liu

Although significant progress has been made in few-shot learning, most of existing few-shot image classification methods require supervised pre-training on a large amount of samples of base classes, which limits their generalization ability…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Fang Peng , Xiaoshan Yang , Linhui Xiao , Yaowei Wang , Changsheng Xu

Partial domain adaptation which assumes that the unknown target label space is a subset of the source label space has attracted much attention in computer vision. Despite recent progress, existing methods often suffer from three key…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Aadarsh Sahoo , Rameswar Panda , Rogerio Feris , Kate Saenko , Abir Das

Linear Discriminant Analysis (LDA) is a well-known method for dimensionality reduction and classification. Previous studies have also extended the binary-class case into multi-classes. However, many applications, such as object detection…

Machine Learning · Computer Science 2013-09-24 Gang Chen

While human speakers use a variety of different expressions when describing the same object in an image, giving rise to a distribution of plausible labels driven by pragmatic constraints, the extent to which current Vision & Language Large…

Computation and Language · Computer Science 2024-06-05 Alberto Testoni , Juell Sprott , Sandro Pezzelle

Medical image segmentation remains challenging due to limited annotations for training, ambiguous anatomical features, and domain shifts. While vision-language models such as CLIP offer strong cross-modal representations, their potential…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Taha Koleilat , Hojat Asgariandehkordi , Omid Nejati Manzari , Berardino Barile , Yiming Xiao , Hassan Rivaz

The data-driven nature of deep learning (DL) models for semantic segmentation requires a large number of pixel-level annotations. However, large-scale and fully labeled medical datasets are often unavailable for practical tasks. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Nanqing Dong , Michael Kampffmeyer , Xiaodan Liang , Min Xu , Irina Voiculescu , Eric P. Xing

Social media users have finite attention which limits the number of incoming messages from friends they can process. Moreover, they pay more attention to opinions and recommendations of some friends more than others. In this paper, we…

Social and Information Networks · Computer Science 2013-01-29 Jeon-Hyung Kang , Kristina Lerman , Lise Getoor

Content-based video retrieval is one of the most challenging tasks in surveillance systems. In this study, Latent Dirichlet Allocation (LDA) topic model is used to annotate surveillance videos in an unsupervised manner. In scene…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Mohammad Kianpisheh

In this work, we address the task of few-shot part segmentation, which aims to segment the different parts of an unseen object using very few labeled examples. It is found that leveraging the textual space of a powerful pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Mengya Han , Heliang Zheng , Chaoyue Wang , Yong Luo , Han Hu , Jing Zhang , Yonggang Wen

We propose a geometric algorithm for topic learning and inference that is built on the convex geometry of topics arising from the Latent Dirichlet Allocation (LDA) model and its nonparametric extensions. To this end we study the…

Machine Learning · Statistics 2016-10-31 Mikhail Yurochkin , XuanLong Nguyen

Large Language Models (LLMs), known for their versatility in textual data, are increasingly being explored for their potential to enhance medical image segmentation, a crucial task for accurate diagnostic imaging. This study explores…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Gurucharan Marthi Krishna Kumar , Aman Chadha , Janine Mendola , Amir Shmuel

Vision-Language Models (VLMs) are powerful tools for processing and understanding text and images. We study the processing of visual tokens in the language model component of LLaVA, a prominent VLM. Our approach focuses on analyzing the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Clement Neo , Luke Ong , Philip Torr , Mor Geva , David Krueger , Fazl Barez

We present a method for visual object classification using only a single feature, transformed color SIFT with a variant of Spatial Pyramid Matching (SPM) that we called Sliding Spatial Pyramid Matching (SSPM), trained with an ensemble of…

Computer Vision and Pattern Recognition · Computer Science 2012-12-19 Hao Wooi Lim , Yong Haur Tay

In this paper, we address the segmentation of tumor subtypes in whole slide images (WSI) by utilizing incomplete label proportions. Specifically, we utilize `partial' label proportions, which give the proportions among tumor subtypes but do…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Shinnosuke Matsuo , Daiki Suehiro , Seiichi Uchida , Hiroaki Ito , Kazuhiro Terada , Akihiko Yoshizawa , Ryoma Bise

As one of the most challenging and practical segmentation tasks, open-world semantic segmentation requires the model to segment the anomaly regions in the images and incrementally learn to segment out-of-distribution (OOD) objects,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Hexin Dong , Zifan Chen , Mingze Yuan , Yutong Xie , Jie Zhao , Fei Yu , Bin Dong , Li Zhang

This study presents a hybrid topic modelling framework for computational literary analysis that integrates Latent Dirichlet Allocation (LDA) with sparse Partial Least Squares Discriminant Analysis (sPLS-DA) to model thematic structure and…

Computation and Language · Computer Science 2026-03-23 Angelo Maria Sabatini

Despite the great progress made by deep neural networks in the semantic segmentation task, traditional neural-networkbased methods typically suffer from a shortage of large amounts of pixel-level annotations. Recent progress in fewshot…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

Word segmentation stands as a cornerstone of Natural Language Processing (NLP). Based on the concept of "comprehend first, segment later", we propose a new framework to explore the limit of unsupervised word segmentation with Large Language…

Computation and Language · Computer Science 2025-05-27 Zihong Zhang , Liqi He , Zuchao Li , Lefei Zhang , Hai Zhao , Bo Du