中文
相关论文

相关论文: Learning to Locate Visual Answer in Video Corpus U…

200 篇论文

We introduce the task of retrieving relevant video moments from a large corpus of untrimmed, unsegmented videos given a natural language query. Our task poses unique challenges as a system must efficiently identify both the relevant videos…

计算机视觉与模式识别 · 计算机科学 2022-02-24 Victor Escorcia , Mattia Soldan , Josef Sivic , Bernard Ghanem , Bryan Russell

Weakly supervised temporal action localization (WTAL) aims to detect action instances in untrimmed videos using only video-level annotations. Since many existing works optimize WTAL models based on action classification labels, they…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Geuntaek Lim , Hyunwoo Kim , Joonsoo Kim , Yukyung Choi

Medical visual question answering (VQA) bridges the gap between visual information and clinical decision-making, enabling doctors to extract understanding from clinical images and videos. In particular, surgical VQA can enhance the…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Long Bai , Guankun Wang , Mobarakol Islam , Lalithkumar Seenivasan , An Wang , Hongliang Ren

Video Corpus Moment Retrieval (VCMR) is a practical video retrieval task focused on identifying a specific moment within a vast corpus of untrimmed videos using the natural language query. Existing methods for VCMR typically rely on…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Danyang Hou , Liang Pang , Huawei Shen , Xueqi Cheng

This paper strives to find amidst a set of sentences the one best describing the content of a given image or video. Different from existing works, which rely on a joint subspace for their image and video caption retrieval, we propose to do…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Jianfeng Dong , Xirong Li , Cees G. M. Snoek

Visual Question Answering (VQA) presents a unique challenge as it requires the ability to understand and encode the multi-modal inputs - in terms of image processing and natural language processing. The algorithm further needs to learn how…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Supriya Pandhre , Shagun Sodhani

Knowledge-based visual question answering (VQA) requires answering questions with external knowledge in addition to the content of images. One dataset that is mostly used in evaluating knowledge-based VQA is OK-VQA, but it lacks a gold…

计算与语言 · 计算机科学 2021-09-10 Man Luo , Yankai Zeng , Pratyay Banerjee , Chitta Baral

Current tasks and methods in Document Understanding aims to process documents as single elements. However, documents are usually organized in collections (historical records, purchase invoices), that provide context useful for their…

信息检索 · 计算机科学 2023-04-04 Rubèn Tito , Dimosthenis Karatzas , Ernest Valveny

Video Question Answering (VideoQA) aims to answer natural language questions based on the information observed in videos. Despite the recent success of Large Multimodal Models (LMMs) in image-language understanding and reasoning, they deal…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Haibo Wang , Chenghang Lai , Yixuan Sun , Weifeng Ge

Generating consecutive descriptions for videos, i.e., Video Captioning, requires taking full advantage of visual representation along with the generation process. Existing video captioning methods focus on making an exploration of…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Pengpeng Zeng , Haonan Zhang , Lianli Gao , Xiangpeng Li , Jin Qian , Heng Tao Shen

Video grounding aims to localize a moment from an untrimmed video for a given textual query. Existing approaches focus more on the alignment of visual and language stimuli with various likelihood-based matching or regression strategies,…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Guoshun Nan , Rui Qiao , Yao Xiao , Jun Liu , Sicong Leng , Hao Zhang , Wei Lu

The Visual Question Answering (VQA) task combines challenges for processing data with both Visual and Linguistic processing, to answer basic `common sense' questions about given images. Given an image and a question in natural language, the…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Yash Srivastava , Vaishnav Murali , Shiv Ram Dubey , Snehasis Mukherjee

Video text-based visual question answering (Video TextVQA) task aims to answer questions about videos by leveraging the visual text appearing within the videos. This task poses significant challenges, requiring models to accurately perceive…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Haibin He , Qihuang Zhong , Juhua Liu , Bo Du , Peng Wang , Jing Zhang

We propose a novel self-supervised method, referred to as Video Cloze Procedure (VCP), to learn rich spatial-temporal representations. VCP first generates "blanks" by withholding video clips and then creates "options" by applying…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Dezhao Luo , Chang Liu , Yu Zhou , Dongbao Yang , Can Ma , Qixiang Ye , Weiping Wang

Prior works on text-based video moment localization focus on temporally grounding the textual query in an untrimmed video. These works assume that the relevant video is already known and attempt to localize the moment on that relevant video…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Sudipta Paul , Niluthpol Chowdhury Mithun , Amit K. Roy-Chowdhury

This study focuses on weakly-supervised Video Moment Retrieval (VMR), aiming to identify a moment semantically similar to the given query within an untrimmed video using only video-level correspondences, without relying on temporal…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Bolin Zhang , Chao Yang , Bin Jiang , Takahiro Komamizu , Ichiro Ide

We propose to perform video question answering (VideoQA) in a Contrastive manner via a Video Graph Transformer model (CoVGT). CoVGT's uniqueness and superiority are three-fold: 1) It proposes a dynamic graph transformer module which encodes…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Junbin Xiao , Pan Zhou , Angela Yao , Yicong Li , Richang Hong , Shuicheng Yan , Tat-Seng Chua

Visual Question Answering (VQA) models aim to answer natural language questions about given images. Due to its ability to ask questions that differ from those used when training the model, medical VQA has received substantial attention in…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Sergio Tascon-Morales , Pablo Márquez-Neila , Raphael Sznitman

Visual question answering (or VQA) is a new and exciting problem that combines natural language processing and computer vision techniques. We present a survey of the various datasets and models that have been used to tackle this task. The…

计算与语言 · 计算机科学 2017-05-12 Akshay Kumar Gupta

This paper introduces a novel approach named CrossVideo, which aims to enhance self-supervised cross-modal contrastive learning in the field of point cloud video understanding. Traditional supervised learning methods encounter limitations…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Yunze Liu , Changxi Chen , Zifan Wang , Li Yi