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Related papers: Hierarchical I3D for Sign Spotting

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Pre-training has been proven to be effective in boosting the performance of Isolated Sign Language Recognition (ISLR). Existing pre-training methods solely focus on the compact pose data, which eliminates background perturbation but…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Kepeng Wu , Zecheng Li , Hezhen Hu , Wengang Zhou , Houqiang Li

Few-shot learning (FSL) enables object detection models to recognize novel classes given only a few annotated examples, thereby reducing expensive manual data labeling. This survey examines recent FSL advances for video and 3D object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Md Meftahul Ferdaus , Kendall N. Niles , Joe Tom , Mahdi Abdelguerfi , Elias Ioup

Open-vocabulary 3D object detection (OV-3DOD) aims at localizing and classifying novel objects beyond closed sets. The recent success of vision-language models (VLMs) has demonstrated their remarkable capabilities to understand open…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Youjun Zhao , Jiaying Lin , Rynson W. H. Lau

Isolated Sign Language Recognition (ISLR) focuses on identifying individual sign language glosses. Considering the diversity of sign languages across geographical regions, developing region-specific ISLR datasets is crucial for supporting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xin Shen , Heming Du , Hongwei Sheng , Shuyun Wang , Hui Chen , Huiqiang Chen , Zhuojie Wu , Xiaobiao Du , Jiaying Ying , Ruihan Lu , Qingzheng Xu , Xin Yu

In this project, we have developed a sign language tutor that lets users learn isolated signs by watching recorded videos and by trying the same signs. The system records the user's video and analyses it. If the sign is recognized, both…

Spatial reasoning on multi-view line drawings by state-of-the-art supervised deep networks is recently shown with puzzling low performances on the SPARE3D dataset. Based on the fact that self-supervised learning is helpful when a large…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Siyuan Xiang , Anbang Yang , Yanfei Xue , Yaoqing Yang , Chen Feng

Current Zero-Shot Learning (ZSL) approaches are restricted to recognition of a single dominant unseen object category in a test image. We hypothesize that this setting is ill-suited for real-world applications where unseen objects appear…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Shafin Rahman , Salman Khan , Fatih Porikli

Sign Language Production (SLP) is the task of generating sign language video from spoken language inputs. The field has seen a range of innovations over the last few years, with the introduction of deep learning-based approaches providing…

The objective of this work is to align asynchronous subtitles in sign language videos with limited labelled data. To achieve this goal, we propose a novel framework with the following contributions: (1) we leverage fundamental grammatical…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Youngjoon Jang , Jeongsoo Choi , Junseok Ahn , Joon Son Chung

It is still challenging to build an AI system that can perform tasks that involve vision and language at human level. So far, researchers have singled out individual tasks separately, for each of which they have designed networks and…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Duy-Kien Nguyen , Takayuki Okatani

Video-text retrieval is an important yet challenging task in vision-language understanding, which aims to learn a joint embedding space where related video and text instances are close to each other. Most current works simply measure the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Peng Wu , Xiangteng He , Mingqian Tang , Yiliang Lv , Jing Liu

With the advent of powerful, light-weight 3D LiDARs, they have become the hearth of many navigation and SLAM algorithms on various autonomous systems. Pointcloud registration methods working with unstructured pointclouds such as ICP are…

Robotics · Computer Science 2021-04-13 Dominic Streiff , Lukas Bernreiter , Florian Tschopp , Marius Fehr , Roland Siegwart

Document parsing is a fundamental task in multimodal understanding, supporting a wide range of downstream applications such as information extraction and intelligent document analysis. Benefiting from strong semantic modeling and robust…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Wenhui Liao , Hongliang Li , Pengyu Xie , Xinyu Cai , Yufan Shen , Yi Xin , Qi Qin , Shenglong Ye , Tianbin Li , Ming Hu , Junjun He , Yihao Liu , Wenhai Wang , Min Dou , Bin Fu , Botian Shi , Yu Qiao , Lianwen Jin

Understanding and extracting 3D information of objects from monocular 2D images is a fundamental problem in computer vision. In the task of 3D object pose estimation, recent data driven deep neural network based approaches suffer from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Jogendra Nath Kundu , Aditya Ganeshan , Rahul M. V. , Aditya Prakash , R. Venkatesh Babu

Monocular 3D detection relies on just a single camera and is therefore easy to deploy. Yet, achieving reliable 3D understanding from monocular images requires substantial annotation, and 3D labels are especially costly. To maximize…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Johannes Meier , Florian Günther , Riccardo Marin , Oussema Dhaouadi , Jacques Kaiser , Daniel Cremers

Incorporating heterogeneous representations from different architectures has facilitated various vision tasks, e.g., some hybrid networks combine transformers and convolutions. However, complementarity between such heterogeneous…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Zhong-Yu Li , Bo-Wen Yin , Yongxiang Liu , Li Liu , Ming-Ming Cheng

Multimodal Large Language Models (MLLMs) have made impressive progress in connecting vision and language, but they still struggle with spatial understanding and viewpoint-aware reasoning. Recent efforts aim to augment the input…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Kevin Qu , Haozhe Qi , Mihai Dusmanu , Mahdi Rad , Rui Wang , Marc Pollefeys

Recently, infrared small target detection (IRSTD) has been dominated by deep-learning-based methods. However, these methods mainly focus on the design of complex model structures to extract discriminative features, leaving the loss…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Qiankun Liu , Rui Liu , Bolun Zheng , Hongkui Wang , Ying Fu

Most Vision-and-Language Navigation (VLN) algorithms are prone to making inaccurate decisions due to their lack of visual common sense and limited reasoning capabilities. To address this issue, we propose a Hierarchical Spatial Proximity…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Ming Xu , Zilong Xie

Deep neural network models have achieved remarkable progress in 3D scene understanding while trained in the closed-set setting and with full labels. However, the major bottleneck is that these models do not have the capacity to recognize…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Kangcheng Liu , Yong-Jin Liu , Baoquan Chen