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With the increasing number of online learning material in the web, search for specific content in lecture videos can be time consuming. Therefore, automatic slide extraction from the lecture videos can be helpful to give a brief overview of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Aline Sindel , Abner Hernandez , Seung Hee Yang , Vincent Christlein , Andreas Maier

The clustering methods have recently absorbed even-increasing attention in learning and vision. Deep clustering combines embedding and clustering together to obtain optimal embedding subspace for clustering, which can be more effective…

Machine Learning · Computer Science 2019-05-01 Xu Yang , Cheng Deng , Feng Zheng , Junchi Yan , Wei Liu

Deep learning based visual trackers entail offline pre-training on large volumes of video datasets with accurate bounding box annotations that are labor-expensive to achieve. We present a new framework to facilitate bounding box annotations…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Kenan Dai , Jie Zhao , Lijun Wang , Dong Wang , Jianhua Li , Huchuan Lu , Xuesheng Qian , Xiaoyun Yang

In recent years, online lecture videos have become an increasingly popular resource for acquiring new knowledge. Systems capable of effectively understanding/indexing lecture videos are thus highly desirable, enabling downstream tasks like…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Kangda Wei , Zhengyu Zhou , Bingqing Wang , Jun Araki , Lukas Lange , Ruihong Huang , Zhe Feng

Lecture videos are an increasingly important learning resource for higher education. However, the challenge of quickly finding the content of interest in a lecture video is an important limitation of this format. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Mohammad Rajiur Rahman , Jaspal Subhlok , Shishir Shah

We propose a cross-media lecture-on-demand system, in which users can selectively view specific segments of lecture videos by submitting text queries. Users can easily formulate queries by using the textbook associated with a target…

Computation and Language · Computer Science 2007-05-23 Atsushi Fujii , Katunobu Itou , Tomoyosi Akiba , Tetsuya Ishikawa

We share the implementation details and testing results for video retrieval system based exclusively on features extracted by convolutional neural networks. We show that deep learned features might serve as universal signature for semantic…

Information Retrieval · Computer Science 2016-01-29 Anna Podlesnaya , Sergey Podlesnyy

Discovering and accessing specific content within educational video bases is a challenging task, mainly because of the abundance of video content and its diversity. Recommender systems are often used to enhance the ability to find and…

In this research, we propose a deep learning based approach for speeding up the topology optimization methods. The problem we seek to solve is the layout problem. The main novelty of this work is to state the problem as an image…

Machine Learning · Computer Science 2017-09-28 Ivan Sosnovik , Ivan Oseledets

Recently, with the enormous growth of online videos, fast video retrieval research has received increasing attention. As an extension of image hashing techniques, traditional video hashing methods mainly depend on hand-crafted features and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Yj Dong , JG Li

Video inpainting aims to fill spatio-temporal holes with plausible content in a video. Despite tremendous progress of deep neural networks for image inpainting, it is challenging to extend these methods to the video domain due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Dahun Kim , Sanghyun Woo , Joon-Young Lee , In So Kweon

This paper proposes a novel deep subspace clustering approach which uses convolutional autoencoders to transform input images into new representations lying on a union of linear subspaces. The first contribution of our work is to insert…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Mohsen Kheirandishfard , Fariba Zohrizadeh , Farhad Kamangar

To work at scale, a complete image indexing system comprises two components: An inverted file index to restrict the actual search to only a subset that should contain most of the items relevant to the query; An approximate distance…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Himalaya Jain , Joaquin Zepeda , Patrick Pérez , Rémi Gribonval

Deep clustering which adopts deep neural networks to obtain optimal representations for clustering has been widely studied recently. In this paper, we propose a novel deep image clustering framework to learn a category-style latent…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Junjie Zhao , Donghuan Lu , Kai Ma , Yu Zhang , Yefeng Zheng

Video deblurring is a challenging task that aims to recover sharp sequences from blur and noisy observations. The image-formation model plays a crucial role in traditional model-based methods, constraining the possible solutions. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Zhihao Huang , Santiago Lopez-Tapia , Aggelos K. Katsaggelos

In this work we present a deep learning framework for video compressive sensing. The proposed formulation enables recovery of video frames in a few seconds at significantly improved reconstruction quality compared to previous approaches.…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Michael Iliadis , Leonidas Spinoulas , Aggelos K. Katsaggelos

To exploit high temporal correlations in video frames of the same scene, the current frame is predicted from the already-encoded reference frames using block-based motion estimation and compensation techniques. While this approach can…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 S. M. A. K. Rajin , M. Murshed , M. Paul , S. W. Teng , J. Ma

Traditional image clustering methods take a two-step approach, feature learning and clustering, sequentially. However, recent research results demonstrated that combining the separated phases in a unified framework and training them jointly…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Fengfu Li , Hong Qiao , Bo Zhang , Xuanyang Xi

Convolutional Neural Networks (CNNs) have achieved remarkable success across a wide range of machine learning tasks by leveraging hierarchical feature learning through deep architectures. However, the large number of layers and millions of…

Machine Learning · Statistics 2025-11-18 Biyi Fang , Truong Vo , Jean Utke , Diego Klabjan

This paper proposes an end-to-end deep hashing framework with category mask for fast video retrieval. We train our network in a supervised way by fully exploiting inter-class diversity and intra-class identity. Classification loss is…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Xu Liu , Lili Zhao , Dajun Ding , Yajiao Dong
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