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Active learning can play an important role in low-resource settings (i.e., where annotated data is scarce), by selecting which instances may be more worthy to annotate. Most active learning approaches for Machine Translation assume the…

Computation and Language · Computer Science 2022-03-15 Vânia Mendonça , Ricardo Rei , Luisa Coheur , Alberto Sardinha

Recently, deep learning enabled the accurate segmentation of various diseases in medical imaging. These performances, however, typically demand large amounts of manual voxel annotations. This tedious process for volumetric data becomes more…

Manually labeling video datasets for segmentation tasks is extremely time consuming. In this paper, we introduce ScribbleBox, a novel interactive framework for annotating object instances with masks in videos. In particular, we split…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Bowen Chen , Huan Ling , Xiaohui Zeng , Gao Jun , Ziyue Xu , Sanja Fidler

Video frame interpolation (VFI) enables many important applications that might involve the temporal domain, such as slow motion playback, or the spatial domain, such as stop motion sequences. We are focusing on the former task, where one of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Uğur Çoğalan , Mojtaba Bemana , Hans-Peter Seidel , Karol Myszkowski

We examine the problem of learning sequential tasks from a single visual demonstration. A key challenge arises when demonstrations are temporally misaligned due to variations in timing, differences in embodiment, or inconsistencies in…

Machine Learning · Computer Science 2025-07-16 William Huey , Huaxiaoyue Wang , Anne Wu , Yoav Artzi , Sanjiban Choudhury

Dense video captioning is an extremely challenging task since accurate and coherent description of events in a video requires holistic understanding of video contents as well as contextual reasoning of individual events. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jonghwan Mun , Linjie Yang , Zhou Ren , Ning Xu , Bohyung Han

The popularity of racket sports (e.g., tennis and table tennis) leads to high demands for data analysis, such as notational analysis, on player performance. While sports videos offer many benefits for such analysis, retrieving accurate…

Human-Computer Interaction · Computer Science 2021-05-21 Dazhen Deng , Jiang Wu , Jiachen Wang , Yihong Wu , Xiao Xie , Zheng Zhou , Hui Zhang , Xiaolong Zhang , Yingcai Wu

Long-range temporal alignment is critical yet challenging for video restoration tasks. Recently, some works attempt to divide the long-range alignment into several sub-alignments and handle them progressively. Although this operation is…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Kun Zhou , Wenbo Li , Liying Lu , Xiaoguang Han , Jiangbo Lu

Vision-Language Models (VLMs) lag behind Large Language Models due to the scarcity of annotated datasets, as creating paired visual-textual annotations is labor-intensive and expensive. To address this bottleneck, we introduce SAM2Auto, the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Arash Rocky , Q. M. Jonathan Wu

Active learning is an important technology for automated machine learning systems. In contrast to Neural Architecture Search (NAS) which aims at automating neural network architecture design, active learning aims at automating training data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Zhanpeng Feng , Shiliang Zhang , Rinyoichi Takezoe , Wenze Hu , Manmohan Chandraker , Li-Jia Li , Vijay K. Narayanan , Xiaoyu Wang

Typical detection-free methods for image-to-point cloud registration leverage transformer-based architectures to aggregate cross-modal features and establish correspondences. However, they often struggle under challenging conditions, where…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhixin Cheng , Xiaotian Yin , Jiacheng Deng , Bohao Liao , Yujia Chen , Xu Zhou , Baoqun Yin , Tianzhu Zhang

Dynamic stereo matching is the task of estimating consistent disparities from stereo videos with dynamic objects. Recent learning-based methods prioritize optimal performance on a single stereo pair, resulting in temporal inconsistencies.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Junpeng Jing , Ye Mao , Krystian Mikolajczyk

Advancement of imaging techniques enables consecutive image sequences to be acquired for quality monitoring of manufacturing production lines. Registration for these image sequences is essential for in-line pattern inspection and metrology,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Rui Ma , Xian Du

We propose an approach for forecasting video of complex human activity involving multiple people. Direct pixel-level prediction is too simple to handle the appearance variability in complex activities. Hence, we develop novel intermediate…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Mengyao Zhai , Jiacheng Chen , Ruizhi Deng , Lei Chen , Ligeng Zhu , Greg Mori

Activity recognition is a challenging problem with many practical applications. In addition to the visual features, recent approaches have benefited from the use of context, e.g., inter-relationships among the activities and objects.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Mahmudul Hasan , Sujoy Paul , Anastasios I. Mourikis , Amit K. Roy-Chowdhury

Annotating instance masks is time-consuming and labor-intensive. A promising solution is to predict contours using a deep learning model and then allow users to refine them. However, most existing methods focus on in-domain scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Xiang Xu , Ruotong Li , Mengjun Yi , Baile XU , Furao Shen , Jian Zhao

Long-form video understanding remains challenging for Vision-Language Models (VLMs) due to the inherent tension between computational constraints and the need to capture information distributed across thousands of frames. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Junbo Zou , Ziheng Huang , Shengjie Zhang , Liwen Zhang , Weining Shen

Conventional multimedia annotation/retrieval systems such as Normalized Continuous Relevance Model (NormCRM) [16] require a fully labeled training data for a good performance. Active Learning, by determining an order for labeling the…

Multimedia · Computer Science 2015-04-28 Moitreya Chatterjee , Anton Leuski

Present-day deep neural networks for video semantic segmentation require a large number of fine-grained pixel-level annotations to achieve the best possible results. Obtaining such annotations, however, is very expensive. On the other hand,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Samik Some , Vinay P. Namboodiri

Documents are central to many business systems, and include forms, reports, contracts, invoices or purchase orders. The information in documents is typically in natural language, but can be organized in various layouts and formats. There…

Information Retrieval · Computer Science 2021-10-08 Sumit Shekhar , Bhanu Prakash Reddy Guda , Ashutosh Chaubey , Ishan Jindal , Avneet Jain