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Humans perceive and understand real-world spaces through a stream of visual observations. Therefore, the ability to streamingly maintain and update spatial evidence from potentially unbounded video streams is essential for spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Fangfu Liu , Diankun Wu , Jiawei Chi , Yimo Cai , Yi-Hsin Hung , Xumin Yu , Hao Li , Han Hu , Yongming Rao , Yueqi Duan

Static appearance of video may impede the ability of a deep neural network to learn motion-relevant features in video action recognition. In this paper, we introduce a new concept, Dynamic Appearance (DA), summarizing the appearance…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Guoxi Huang , Adrian G. Bors

We address the problem of American Sign Language fingerspelling recognition in the wild, using videos collected from websites. We introduce the largest data set available so far for the problem of fingerspelling recognition, and the first…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Bowen Shi , Aurora Martinez Del Rio , Jonathan Keane , Jonathan Michaux , Diane Brentari , Greg Shakhnarovich , Karen Livescu

This paper describes the COCO-Text dataset. In recent years large-scale datasets like SUN and Imagenet drove the advancement of scene understanding and object recognition. The goal of COCO-Text is to advance state-of-the-art in text…

Computer Vision and Pattern Recognition · Computer Science 2016-06-21 Andreas Veit , Tomas Matera , Lukas Neumann , Jiri Matas , Serge Belongie

Vision and language understanding has emerged as a subject undergoing intense study in Artificial Intelligence. Among many tasks in this line of research, visual question answering (VQA) has been one of the most successful ones, where the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Yunseok Jang , Yale Song , Youngjae Yu , Youngjin Kim , Gunhee Kim

Walking in place for moving through virtual environments has attracted noticeable attention recently. Recent attempts focused on training a classifier to recognize certain patterns of gestures (e.g., standing, walking, etc) with the use of…

Human-Computer Interaction · Computer Science 2021-08-24 Lizhi Zhao , Xuequan Lu , Min Zhao , Meili Wang

In this paper we present a three-stream algorithm for real-time action recognition and a new dataset of handwash videos, with the intent of aligning action recognition with real-world constraints to yield effective conclusions. A…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Akash Nagaraj , Mukund Sood , Chetna Sureka , Gowri Srinivasa

The advent of recurrent neural networks for handwriting recognition marked an important milestone reaching impressive recognition accuracies despite the great variability that we observe across different writing styles. Sequential…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Lei Kang , Pau Riba , Marçal Rusiñol , Alicia Fornés , Mauricio Villegas

The segmentation-free research efforts for addressing handwritten text recognition can be divided into three categories: connectionist temporal classification (CTC), hidden Markov model and encoder-decoder methods. In this paper, inspired…

Artificial Intelligence · Computer Science 2025-08-05 Zi-Rui Wang

Video text detection is considered as one of the most difficult tasks in document analysis due to the following two challenges: 1) the difficulties caused by video scenes, i.e., motion blur, illumination changes, and occlusion; 2) the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Hongyuan Yu , Chengquan Zhang , Xuan Li , Junyu Han , Errui Ding , Liang Wang

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Generative foundation models have advanced large-scale text-driven natural image generation, becoming a prominent research trend across various vertical domains. However, in the remote sensing field, there is still a lack of research on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Chenyang Liu , Keyan Chen , Rui Zhao , Zhengxia Zou , Zhenwei Shi

Video-language pre-training has advanced the performance of various downstream video-language tasks. However, most previous methods directly inherit or adapt typical image-language pre-training paradigms to video-language pre-training, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Qinghao Ye , Guohai Xu , Ming Yan , Haiyang Xu , Qi Qian , Ji Zhang , Fei Huang

An automatic document classification system is presented that detects textual content in images and classifies documents into four predefined categories (Invoice, Report, Letter, and Form). The system supports both offline images (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Aya Kaysan Bahjat

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

Computation and Language · Computer Science 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

Pre-trained vision-language models provide a robust foundation for efficient transfer learning across various downstream tasks. In the field of video action recognition, mainstream approaches often introduce additional modules to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Haoxing Chen , Zizheng Huang , Yan Hong , Yanshuo Wang , Zhongcai Lyu , Zhuoer Xu , Jun Lan , Zhangxuan Gu

A lensless camera is an imaging system that uses a mask in place of a lens, making it thinner, lighter, and less expensive than a lensed camera. However, additional complex computation and time are required for image reconstruction. This…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Yinger Zhang , Zhouyi Wu , Peiying Lin , Yang Pan , Yuting Wu , Liufang Zhang , Jiangtao Huangfu

Airwriting Recognition refers to the problem of identification of letters written in space with movement of the finger. It can be seen as a special case of dynamic gesture recognition wherein the set of gestures are letters in a particular…

Human-Computer Interaction · Computer Science 2023-03-21 Ayush Tripathi , Prathosh AP , Suriya Prakash Muthukrishnan , Lalan Kumar

Achieving precise word-level typography control within generated images remains a persistent challenge. To address it, we newly construct a word-level controlled scene text dataset and introduce the Text-Image Alignment (TIA) framework.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Wenda Shi , Yiren Song , Zihan Rao , Dengming Zhang , Jiaming Liu , Xingxing Zou

Recent advances in world models have demonstrated strong capabilities in simulating physical reality, making them an increasingly important foundation for embodied intelligence. For UAV agents in particular, accurate prediction of complex…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Zile Guo , Zhan Chen , Enze Zhu , Kan Wei , Yongkang Zou , Xiaoxuan Liu , Lei Wang