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Related papers: Unsupervised Audio-Visual Lecture Segmentation

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Annotation burden has become one of the biggest barriers to semantic segmentation. Approaches based on click-level annotations have therefore attracted increasing attention due to their superior trade-off between supervision and annotation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Hongjun Chen , Jinbao Wang , Hong Cai Chen , Xiantong Zhen , Feng Zheng , Rongrong Ji , Ling Shao

Semantic segmentation is a crucial task in computer vision, where each pixel in an image is classified into a category. However, traditional methods face significant challenges, including the need for pixel-level annotations and extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yasufumi Kawano , Yoshimitsu Aoki

Video Instance Segmentation (VIS) faces significant annotation challenges due to its dual requirements of pixel-level masks and temporal consistency labels. While recent unsupervised methods like VideoCutLER eliminate optical flow…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Kaixuan Lu , Mehmet Onurcan Kaya , Dim P. Papadopoulos

We propose a self-supervised learning approach for videos that learns representations of both the RGB frames and the accompanying audio without human supervision. In contrast to images that capture the static scene appearance, videos also…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Simon Jenni , Alexander Black , John Collomosse

Video summarization aims to create short, accurate, and cohesive summaries of longer videos. Despite the existence of various video summarization datasets, a notable limitation is their limited amount of source videos, which hampers the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Hang Hua , Yolo Yunlong Tang , Chenliang Xu , Jiebo Luo

Video summarization aims to extract keyframes/shots from a long video. Previous methods mainly take diversity and representativeness of generated summaries as prior knowledge in algorithm design. In this paper, we formulate video…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Yudong Jiang , Kaixu Cui , Bo Peng , Changliang Xu

Current video summarization methods rely heavily on supervised computer vision techniques, which demands time-consuming and subjective manual annotations. To overcome these limitations, we investigated self-supervised video summarization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Tomoya Sugihara , Shuntaro Masuda , Ling Xiao , Toshihiko Yamasaki

We describe our workflow to create an engaging remote learning experience for a university course, while minimizing the post-production time of the educators. We make use of ubiquitous and commonly free services and platforms, so that our…

Human-Computer Interaction · Computer Science 2021-10-15 Sebastian Hofstätter , Sophia Althammer , Mete Sertkan , Allan Hanbury

Locating specific segments within an instructional video is an efficient way to acquire guiding knowledge. Generally, the task of obtaining video segments for both verbal explanations and visual demonstrations is known as visual answer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Chang Zong , Bin Li , Shoujun Zhou , Jian Wan , Lei Zhang

Untrimmed videos have interrelated events, dependencies, context, overlapping events, object-object interactions, domain specificity, and other semantics that are worth highlighting while describing a video in natural language. Owing to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Iqra Qasim , Alexander Horsch , Dilip K. Prasad

We propose an end-to-end lecture video generation system that can generate realistic and complete lecture videos directly from annotated slides, instructor's reference voice and instructor's reference portrait video. Our system is primarily…

Multimedia · Computer Science 2022-09-20 Wenbin Wang , Yang Song , Sanjay Jha

Recent state-of-the-art semi-supervised Video Object Segmentation (VOS) methods have shown significant improvements in target object segmentation accuracy when information from preceding frames is used in segmenting the current frame. In…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Amir Nazemi , Mohammad Javad Shafiee , Zahra Gharaee , Paul Fieguth

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

The goal of this paper is to bypass the need for labelled examples in few-shot video understanding at run time. While proven effective, in many practical video settings even labelling a few examples appears unrealistic. This is especially…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Pengwan Yang , Yuki M. Asano , Pascal Mettes , Cees G. M. Snoek

Multi-view echocardiographic sequences segmentation is crucial for clinical diagnosis. However, this task is challenging due to limited labeled data, huge noise, and large gaps across views. Here we propose a recurrent aggregation learning…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Ming Li , Weiwei Zhang , Guang Yang , Chengjia Wang , Heye Zhang , Huafeng Liu , Wei Zheng , Shuo Li

Weakly-supervised audio-visual video parsing (AVVP) seeks to detect audible, visible, and audio-visual events without temporal annotations. Previous work has emphasized refining global predictions through contrastive or collaborative…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yaru Chen , Ruohao Guo , Liting Gao , Yang Xiang , Qingyu Luo , Zhenbo Li , Wenwu Wang

Recently, large-scale pre-training methods like CLIP have made great progress in multi-modal research such as text-video retrieval. In CLIP, transformers are vital for modeling complex multi-modal relations. However, in the vision…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Shuai Zhao , Linchao Zhu , Xiaohan Wang , Yi Yang

Segmenting text into semantically coherent segments is an important task with applications in information retrieval and text summarization. Developing accurate topical segmentation requires the availability of training data with ground…

Computation and Language · Computer Science 2019-04-16 Saurav Manchanda , George Karypis

Referring image segmentation is a challenging task that involves generating pixel-wise segmentation masks based on natural language descriptions. The complexity of this task increases with the intricacy of the sentences provided. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Hai Nguyen-Truong , E-Ro Nguyen , Tuan-Anh Vu , Minh-Triet Tran , Binh-Son Hua , Sai-Kit Yeung

There has been a recent surge in methods that aim to decompose and segment scenes into multiple objects in an unsupervised manner, i.e., unsupervised multi-object segmentation. Performing such a task is a long-standing goal of computer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Laurynas Karazija , Iro Laina , Christian Rupprecht