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Existing approaches in video captioning concentrate on exploring global frame features in the uncompressed videos, while the free of charge and critical saliency information already encoded in the compressed videos is generally neglected.…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Mingjian Zhu , Chenrui Duan , Changbin Yu

Movie question answering, or MovieQA is a multimedia related task wherein one is provided with a video, the subtitle information, a question and candidate answers for it. The task is to predict the correct answer for the question using the…

多媒体 · 计算机科学 2021-11-19 Ankit Shah , Tzu-Hsiang Lin , Shijie Wu

Video object detection is a fundamental problem in computer vision and has a wide spectrum of applications. Based on deep networks, video object detection is actively studied for pushing the limits of detection speed and accuracy. To reduce…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Xinggang Wang , Zhaojin Huang , Bencheng Liao , Lichao Huang , Yongchao Gong , Chang Huang

There has been a growing trend in compressing and transmitting videos from terminals for machine vision tasks. Nevertheless, most video coding optimization method focus on minimizing distortion according to human perceptual metrics,…

多媒体 · 计算机科学 2025-12-18 Fei Zhao , Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang , Xiaodong Xie

In the few-shot scenario, a learner must effectively generalize to unseen classes given a small support set of labeled examples. While a relatively large amount of research has gone into few-shot learning for image classification, little…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Chris Careaga , Brian Hutchinson , Nathan Hodas , Lawrence Phillips

We leverage the modern advancements in talking head generation to propose an end-to-end system for talking head video compression. Our algorithm transmits pivot frames intermittently while the rest of the talking head video is generated by…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Madhav Agarwal , Anchit Gupta , Rudrabha Mukhopadhyay , Vinay P. Namboodiri , C V Jawahar

We study the Knowledge-Based visual question-answering problem, for which given a question, the models need to ground it into the visual modality to find the answer. Although many recent works use question-dependent captioners to verbalize…

人工智能 · 计算机科学 2024-06-28 Elham J. Barezi , Parisa Kordjamshidi

Self-forcing video generation extends a short-horizon video model to longer rollouts by repeatedly feeding generated content back in as context. This scaling path immediately exposes a systems bottleneck: the key-value (KV) cache grows with…

机器学习 · 计算机科学 2026-03-31 Suraj Ranganath , Vaishak Menon , Anish Patnaik

A number of visual question answering approaches have been proposed recently, aiming at understanding the visual scenes by answering the natural language questions. While the image question answering has drawn significant attention, video…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Hongyang Xue , Zhou Zhao , Deng Cai

Embodied Question Answering (EQA) is a recently proposed task, where an agent is placed in a rich 3D environment and must act based solely on its egocentric input to answer a given question. The desired outcome is that the agent learns to…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Cătălina Cangea , Eugene Belilovsky , Pietro Liò , Aaron Courville

Video Question Answering is a challenging task, which requires the model to reason over multiple frames and understand the interaction between different objects to answer questions based on the context provided within the video, especially…

Anomaly detection in videos is a challenging task as anomalies in different videos are of different kinds. Therefore, a promising way to approach video anomaly detection is by learning the non-anomalous nature of the video at hand. To this…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Gargi V. Pillai , Ashish Verma , Debashis Sen

The predominant approach to Visual Question Answering (VQA) demands that the model represents within its weights all of the information required to answer any question about any image. Learning this information from any real training set…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Damien Teney , Anton van den Hengel

With the rapid development of multimedia processing and deep learning technologies, especially in the field of video understanding, video quality assessment (VQA) has achieved significant progress. Although researchers have moved from…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Jiebin Yan , Lei Wu , Yuming Fang , Xuelin Liu , Xue Xia , Weide Liu

Long-video multimodal question answering requires structured reasoning over visual evidence and dialogue, but Large Vision-Language Models (LVLMs) are constrained by context-window and compute limits. We propose POVQA, which compresses each…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Ashim Dahal , Ankit Ghimire , Saydul Akbar Murad , Nick Rahimi

The task of learning from only a few examples (called a few-shot setting) is of key importance and relevance to a real-world setting. For question answering (QA), the current state-of-the-art pre-trained models typically need fine-tuning on…

计算与语言 · 计算机科学 2021-10-13 Rakesh Chada , Pradeep Natarajan

Multi-hop Question Generation (QG) effectively evaluates reasoning but remains confined to text; Video Question Generation (VideoQG) is limited to zero-hop questions over single segments. To address this, we introduce VideoChain, a novel…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Arpan Phukan , Anupam Pandey , Deepjyoti Bodo , Asif Ekbal

Existing long video retrieval systems are trained and tested in the paragraph-to-video retrieval regime, where every long video is described by a single long paragraph. This neglects the richness and variety of possible valid descriptions…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Matthew Gwilliam , Michael Cogswell , Meng Ye , Karan Sikka , Abhinav Shrivastava , Ajay Divakaran

The increased resolution of real-world videos presents a dilemma between efficiency and accuracy for deep Video Quality Assessment (VQA). On the one hand, keeping the original resolution will lead to unacceptable computational costs. On the…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Haoning Wu , Chaofeng Chen , Liang Liao , Jingwen Hou , Wenxiu Sun , Qiong Yan , Jinwei Gu , Weisi Lin

Videos often have to be transmitted and stored at low bitrates due to poor network connectivity during adaptive bitrate streaming. Designing optimal bitrate ladders that would select the perceptually-optimized resolution, frame-rate, and…

图像与视频处理 · 电气工程与系统科学 2022-07-14 Joshua P. Ebenezer , Yixu Chen , Yongjun Wu , Hai Wei , Sriram Sethuraman