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Video moment search, the process of finding relevant moments in a video corpus to match a user's query, is crucial for various applications. Existing solutions, however, often assume a single perfect matching moment, struggle with…

信息检索 · 计算机科学 2025-01-10 Chongzhi Zhang , Xizhou Zhu , Aixin Sun

Audio-visual automatic speech recognition (AV-ASR) introduces the video modality into the speech recognition process, often by relying on information conveyed by the motion of the speaker's mouth. The use of the video signal requires…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Dmitriy Serdyuk , Otavio Braga , Olivier Siohan

This research addresses the challenge of training an ASR model for personalized voices with minimal data. Utilizing just 14 minutes of custom audio from a YouTube video, we employ Retrieval-Based Voice Conversion (RVC) to create a custom…

计算与语言 · 计算机科学 2024-03-04 Aniket Tathe , Anand Kamble , Suyash Kumbharkar , Atharva Bhandare , Anirban C. Mitra

Video segmentation requires consistently segmenting and tracking objects over time. Due to the quadratic dependency on input size, directly applying self-attention to video segmentation with high-resolution input features poses significant…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Ju He , Qihang Yu , Inkyu Shin , Xueqing Deng , Alan Yuille , Xiaohui Shen , Liang-Chieh Chen

Most of the existing works in supervised spatio-temporal video super-resolution (STVSR) heavily rely on a large-scale external dataset consisting of paired low-resolution low-frame rate (LR-LFR)and high-resolution high-frame-rate (HR-HFR)…

图像与视频处理 · 电气工程与系统科学 2021-08-09 Akash Gupta , Padmaja Jonnalagedda , Bir Bhanu , Amit K. Roy-Chowdhury

Inspired by recent advances of deep learning in instance segmentation and object tracking, we introduce video object segmentation problem as a concept of guided instance segmentation. Our model proceeds on a per-frame basis, guided by the…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Anna Khoreva , Federico Perazzi , Rodrigo Benenson , Bernt Schiele , Alexander Sorkine-Hornung

Referring video object segmentation (R-VOS) is an emerging cross-modal task that aims to segment the target object referred by a language expression in all video frames. In this work, we propose a simple and unified framework built upon…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Jiannan Wu , Yi Jiang , Peize Sun , Zehuan Yuan , Ping Luo

We present GvSeg, a general video segmentation framework for addressing four different video segmentation tasks (i.e., instance, semantic, panoptic, and exemplar-guided) while maintaining an identical architectural design. Currently, there…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Mu Chen , Liulei Li , Wenguan Wang , Ruijie Quan , Yi Yang

Most conventional supervised super-resolution (SR) algorithms assume that low-resolution (LR) data is obtained by downscaling high-resolution (HR) data with a fixed known kernel, but such an assumption often does not hold in real scenarios.…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Suyoung Lee , Myungsub Choi , Kyoung Mu Lee

Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

Video Referring Expression Comprehension (REC) aims to localize a target object in videos based on the queried natural language. Recent improvements in video REC have been made using Transformer-based methods with learnable queries.…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Ji Jiang , Meng Cao , Tengtao Song , Long Chen , Yi Wang , Yuexian Zou

Traditionally, audio-visual automatic speech recognition has been studied under the assumption that the speaking face on the visual signal is the face matching the audio. However, in a more realistic setting, when multiple faces are…

音频与语音处理 · 电气工程与系统科学 2022-05-12 Otavio Braga , Takaki Makino , Olivier Siohan , Hank Liao

In this paper, we study a practical space-time video super-resolution (STVSR) problem which aims at generating a high-framerate high-resolution sharp video from a low-framerate low-resolution blurry video. Such problem often occurs when…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Jiezhang Cao , Jingyun Liang , Kai Zhang , Wenguan Wang , Qin Wang , Yulun Zhang , Hao Tang , Luc Van Gool

Dense video captioning is a task of localizing interesting events from an untrimmed video and producing textual description (captions) for each localized event. Most of the previous works in dense video captioning are solely based on visual…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Vladimir Iashin , Esa Rahtu

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Wenyi Lian , Wenjing Lian

In this paper, we focus on the Audio-Visual Question Answering (AVQA) task, which aims to answer questions regarding different visual objects, sounds, and their associations in videos. The problem requires comprehensive multimodal…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Guangyao Li , Yake Wei , Yapeng Tian , Chenliang Xu , Ji-Rong Wen , Di Hu

This paper addresses the task of unsupervised video multi-object segmentation. Current approaches follow a two-stage paradigm: 1) detect object proposals using pre-trained Mask R-CNN, and 2) conduct generic feature matching for temporal…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Tianfei Zhou , Jianwu Li , Xueyi Li , Ling Shao

It is challenging for humans -- particularly those living with physical disabilities -- to control high-dimensional, dexterous robots. Prior work explores learning embedding functions that map a human's low-dimensional inputs (e.g., via a…

机器人学 · 计算机科学 2021-05-04 Siddharth Karamcheti , Albert J. Zhai , Dylan P. Losey , Dorsa Sadigh

Video Object Segmentation (VOS) is an active research area of the visual domain. One of its fundamental sub-tasks is semi-supervised / one-shot learning: given only the segmentation mask for the first frame, the task is to provide…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Fatemeh Azimi , Benjamin Bischke , Sebastian Palacio , Federico Raue , Joern Hees , Andreas Dengel