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Searching through large volumes of medical data to retrieve relevant information is a challenging yet crucial task for clinical care. However the primitive and most common approach to retrieval, involving text in the form of keywords, is…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Tong Yu , Pietro Mascagni , Juan Verde , Jacques Marescaux , Didier Mutter , Nicolas Padoy

Recognising emotions in context involves identifying an individual's apparent emotions while considering contextual cues from the surrounding scene. Previous approaches to this task have typically designed explicit scene-encoding…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Alexandros Xenos , Niki Maria Foteinopoulou , Ioanna Ntinou , Ioannis Patras , Georgios Tzimiropoulos

Documents exhibit sequential structure at multiple levels of abstraction (e.g., sentences, paragraphs, sections). These abstractions constitute a natural hierarchy for representing the context in which to infer the meaning of words and…

Computation and Language · Computer Science 2016-06-01 Shalini Ghosh , Oriol Vinyals , Brian Strope , Scott Roy , Tom Dean , Larry Heck

This paper introduces a novel approach to Visual Forced Alignment (VFA), aiming to accurately synchronize utterances with corresponding lip movements, without relying on audio cues. We propose a novel VFA approach that integrates a local…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Yi He , Lei Yang , Shilin Wang

In this paper, we propose the Masked Space-Time Hash encoding (MSTH), a novel method for efficiently reconstructing dynamic 3D scenes from multi-view or monocular videos. Based on the observation that dynamic scenes often contain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Feng Wang , Zilong Chen , Guokang Wang , Yafei Song , Huaping Liu

This paper explores the use of convolution LSTMs to simultaneously learn spatial- and temporal-information in videos. A deep network of convolutional LSTMs allows the model to access the entire range of temporal information at all spatial…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Logan Courtney , Ramavarapu Sreenivas

Large Language Models (LLMs) have garnered widespread attention due to their remarkable performance across various tasks. However, to mitigate the issue of hallucinations, LLMs often incorporate retrieval-augmented pipeline to provide them…

Computation and Language · Computer Science 2024-08-29 Haowen Hou , Fei Ma , Binwen Bai , Xinxin Zhu , Fei Yu

Neural Architecture Search (NAS) achieved many breakthroughs in recent years. In spite of its remarkable progress, many algorithms are restricted to particular search spaces. They also lack efficient mechanisms to reuse knowledge when…

Machine Learning · Computer Science 2020-07-23 Xin Chen , Yawen Duan , Zewei Chen , Hang Xu , Zihao Chen , Xiaodan Liang , Tong Zhang , Zhenguo Li

Video salient object detection aims to find the most visually distinctive objects in a video. To explore the temporal dependencies, existing methods usually resort to recurrent neural networks or optical flow. However, these approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Yi-Wen Chen , Xiaojie Jin , Xiaohui Shen , Ming-Hsuan Yang

Aiming at recognizing the samples from novel categories with few reference samples, few-shot learning (FSL) is a challenging problem. We found that the existing works often build their few-shot model based on the image-level feature by…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Junying Huang , Fan Chen , Keze Wang , Liang Lin , Dongyu Zhang

Understanding long videos requires extracting query-relevant information from long sequences under tight compute budgets. Existing text-then-LLM pipelines lose fine-grained visual cues, while video-based multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Yufei Yin , Yuchen Xing , Qianke Meng , Minghao Chen , Yan Yang , Zhou Yu

We propose a novel hashing-based matching scheme, called Locally Optimized Hashing (LOH), based on a state-of-the-art quantization algorithm that can be used for efficient, large-scale search, recommendation, clustering, and deduplication.…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Yannis Kalantidis , Lyndon Kennedy , Huy Nguyen , Clayton Mellina , David A. Shamma

We present a framework for similarity search based on Locality-Sensitive Filtering (LSF), generalizing the Indyk-Motwani (STOC 1998) Locality-Sensitive Hashing (LSH) framework to support space-time tradeoffs. Given a family of filters,…

Data Structures and Algorithms · Computer Science 2016-11-23 Tobias Christiani

Limited by the locality of convolutional neural networks, most existing local features description methods only learn local descriptors with local information and lack awareness of global and surrounding spatial context. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Changwei Wang , Rongtao Xu , Yuyang Zhang , Shibiao Xu , Weiliang Meng , Bin Fan , Xiaopeng Zhang

Recent progress on salient object detection mainly aims at exploiting how to effectively integrate convolutional side-output features in convolutional neural networks (CNN). Based on this, most of the existing state-of-the-art saliency…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yun Liu , Yu Qiu , Le Zhang , JiaWang Bian , Guang-Yu Nie , Ming-Ming Cheng

Neural processes (NPs) aim to stochastically complete unseen data points based on a given context dataset. NPs essentially leverage a given dataset as a context representation to derive a suitable identifier for a novel task. To improve the…

Machine Learning · Computer Science 2022-04-13 Mingyu Kim , Kyeongryeol Go , Se-Young Yun

Locality-sensitive hashing (LSH) has emerged as the dominant algorithmic technique for similarity search with strong performance guarantees in high-dimensional spaces. A drawback of traditional LSH schemes is that they may have \emph{false…

Databases · Computer Science 2016-08-22 Ninh Pham , Rasmus Pagh

This project aims to develop a robust video surveillance system, which can segment videos into smaller clips based on the detection of activities. It uses CCTV footage, for example, to record only major events-like the appearance of a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shahran Rahman Alve

Deep hashing is an effective approach for large-scale image retrieval. Current methods are typically classified by their supervision types: point-wise, pair-wise, and list-wise. Recent point-wise techniques (e.g., CSQ, MDS) have improved…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Li Chen , Rui Liu , Yuxiang Zhou , Xudong Ma , Yong Chen , Dell Zhang

Developing a technique for the automatic analysis of surveillance videos in order to identify the presence of violence is of broad interest. In this work, we propose a deep neural network for the purpose of recognizing violent videos. A…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Swathikiran Sudhakaran , Oswald Lanz