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Online videos play a central role in shaping political discourse and amplifying cyber social threats such as misinformation, propaganda, and radicalization. Detecting the most impactful or "standout" moments in video content is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Mert Can Cakmak , Nitin Agarwal , Diwash Poudel

Video frame sampling is essential for efficient long-video understanding with Vision-Language Models (VLMs), since dense inputs are costly and often exceed context limits. Yet when only a small number of frames can be retained, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Mengyu Zhao , Di Fu , Yongyu Xie , Jiaxing Zhang , Zhigang Yuan , Shirin Jalali , Yong Cao

We design algorithms for Robust Principal Component Analysis (RPCA) which consists in decomposing a matrix into the sum of a low rank matrix and a sparse matrix. We propose a deep unrolled algorithm based on an accelerated alternating…

Signal Processing · Electrical Eng. & Systems 2023-07-13 Elizabeth Z. C. Tan , Caroline Chaux , Emmanuel Soubies , Vincent Y. F. Tan

The interest in leveraging Artificial Intelligence (AI) for surgical procedures to automate analysis has witnessed a significant surge in recent years. One of the primary tools for recording surgical procedures and conducting subsequent…

Automatic Keyphrase Extraction involves identifying essential phrases in a document. These keyphrases are crucial in various tasks such as document classification, clustering, recommendation, indexing, searching, summarization, and text…

Computation and Language · Computer Science 2023-10-16 Abdelrhman Eldallal , Eduard Barbu

Keyphrases are useful for a variety of purposes, including summarizing, indexing, labeling, categorizing, clustering, highlighting, browsing, and searching. The task of automatic keyphrase extraction is to select keyphrases from within the…

Machine Learning · Computer Science 2007-05-23 Peter D. Turney

Video summaries come in many forms, from traditional single-image thumbnails, animated thumbnails, storyboards, to trailer-like video summaries. Content creators use the summaries to display the most attractive portion of their videos; the…

Multimedia · Computer Science 2018-08-03 Hongxiang Gu , Viswanathan Swaminathan

Video summarization is among challenging tasks in computer vision, which aims at identifying highlight frames or shots over a lengthy video input. In this paper, we propose an novel attention-based framework for video summarization with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Yen-Ting Liu , Yu-Jhe Li , Yu-Chiang Frank Wang

Recent advancements in video semantic segmentation have made substantial progress by exploiting temporal correlations. Nevertheless, persistent challenges, including redundant computation and the reliability of the feature propagation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yaoyan Zheng , Hongyu Yang , Di Huang

Keyphrase extraction methods can provide insights into large collections of documents such as social media posts. Existing methods, however, are less suited for the real-time analysis of streaming data, because they are computationally too…

Information Retrieval · Computer Science 2021-09-16 Johannes Knittel , Steffen Koch , Thomas Ertl

Recently, semantic video segmentation gained high attention especially for supporting autonomous driving systems. Deep learning methods made it possible to implement real time segmentation and object identification algorithms on videos.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-30 Beril Sirmacek , Nicolò Botteghi , Santiago Sanchez Escalonilla Plaza

We propose Compressed Video Aggregator (CVA), a lightweight micro-video recommendation module that decouples video information from preference learning. It aggregates frozen VFM embeddings, and uses latent reasoning without cross-attention…

Machine Learning · Computer Science 2026-05-12 Yang Xiao , Huiyuan Chen , Kaiyuan Deng , Chao Jiang , Zinan Ling , Ruimeng Ye , Xiaolong Ma , Bo Hui

The video-based facial expression recognition aims to classify a given video into several basic emotions. How to integrate facial features of individual frames is crucial for this task. In this paper, we propose the Frame Attention Networks…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Debin Meng , Xiaojiang Peng , Kai Wang , Yu Qiao

Multimodal large language models (MLLMs) have enabled open-world visual understanding by injecting visual input as extra tokens into large language models (LLMs) as contexts. However, when the visual input changes from a single image to a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Xi Tang , Jihao Qiu , Lingxi Xie , Yunjie Tian , Jianbin Jiao , Qixiang Ye

Keyphrase extraction is one of the essential tasks for document understanding in NLP. While the majority of the prior works are dedicated to the formal setting, e.g., books, news or web-blogs, informal texts such as video transcripts are…

Computation and Language · Computer Science 2022-09-13 Amir Pouran Ben Veyseh , Nicole Meister , Franck Dernoncourt , Thien Huu Nguyen

We revisit the problem of robust principal component analysis with features acting as prior side information. To this aim, a novel, elegant, non-convex optimization approach is proposed to decompose a given observation matrix into a…

Machine Learning · Statistics 2017-09-15 Niannan Xue , Jiankang Deng , Yannis Panagakis , Stefanos Zafeiriou

Keyphrases provide a simple way of describing a document, giving the reader some clues about its contents. Keyphrases can be useful in a various applications such as retrieval engines, browsing interfaces, thesaurus construction, text…

Information Retrieval · Computer Science 2010-04-20 Kamal Sarkar , Mita Nasipuri , Suranjan Ghose

Despite recent interest and advances in facial micro-expression research, there is still plenty room for improvement in terms of micro-expression recognition. Conventional feature extraction approaches for micro-expression video consider…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Sze-Teng Liong , John See , KokSheik Wong , Raphael C. -W. Phan

The aim of video summarization is to shorten videos automatically while retaining the key information necessary to convey the overall story. Video summarization methods mainly rely on visual factors, such as visual consecutiveness and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Jia-Hong Huang , Chao-Han Huck Yang , Pin-Yu Chen , Min-Hung Chen , Marcel Worring

Despite exciting recent results showing vision-language systems' capacity to reason about images using natural language, their capacity for video reasoning remains under-explored. We motivate framing video reasoning as the sequential…

Computation and Language · Computer Science 2023-11-10 Vaishnavi Himakunthala , Andy Ouyang , Daniel Rose , Ryan He , Alex Mei , Yujie Lu , Chinmay Sonar , Michael Saxon , William Yang Wang