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Related papers: Spatio-temporal Person Retrieval via Natural Langu…

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The task of text-video retrieval aims to understand the correspondence between language and vision, has gained increasing attention in recent years. Previous studies either adopt off-the-shelf 2D/3D-CNN and then use average/max pooling to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Ning Han , Jingjing Chen , Chuhao Shi , Yawen Zeng , Guangyi Xiao , Hao Chen

Image-to-video person re-identification identifies a target person by a probe image from quantities of pedestrian videos captured by non-overlapping cameras. Despite the great progress achieved,it's still challenging to match in the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Zhongwei Xie , Lin Li , Xian Zhong , Luo Zhong

The creation of manipulated multimedia content involving human characters has reached in the last years unprecedented realism, calling for automated techniques to expose synthetically generated faces in images and videos. This work explores…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Mattia Bonomi , Cecilia Pasquini , Giulia Boato

Temporal modeling and spatio-temporal collaboration are pivotal techniques for video-based human pose estimation. Most state-of-the-art methods adopt optical flow or temporal difference, learning local visual content correspondence across…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Runyang Feng , Haoming Chen

The rapid growth of user-generated videos on the Internet has intensified the need for text-based video retrieval systems. Traditional methods mainly favor the concept-based paradigm on retrieval with simple queries, which are usually…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Xun Yang , Jianfeng Dong , Yixin Cao , Xun Wang , Meng Wang , Tat-Seng Chua

Text-to-video retrieval enables users to find relevant video content using natural language queries, a task that has grown increasingly important with the rapid expansion of online video. Over the past six years, research has produced…

Text-based person search (TBPS) aims to retrieve images of a specific person from a large image gallery based on a natural language description. Existing methods rely on massive annotated image-text data to achieve satisfactory performance…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Daming Gao , Yang Bai , Min Cao , Hao Dou , Mang Ye , Min Zhang

Most of current person re-identification (ReID) methods neglect a spatial-temporal constraint. Given a query image, conventional methods compute the feature distances between the query image and all the gallery images and return a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Guangcong Wang , Jianhuang Lai , Peigen Huang , Xiaohua Xie

Text-based person search aims to retrieve images of a certain pedestrian by a textual description. The key challenge of this task is to eliminate the inter-modality gap and achieve the feature alignment across modalities. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Shiping Li , Min Cao , Min Zhang

Recovering temporally consistent 3D human body pose, shape and motion from a monocular video is a challenging task due to (self-)occlusions, poor lighting conditions, complex articulated body poses, depth ambiguity, and limited availability…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Sushovan Chanda , Amogh Tiwari , Lokender Tiwari , Brojeshwar Bhowmick , Avinash Sharma , Hrishav Barua

Recent progress in using recurrent neural networks (RNNs) for image description has motivated the exploration of their application for video description. However, while images are static, working with videos requires modeling their dynamic…

Machine Learning · Statistics 2015-10-02 Li Yao , Atousa Torabi , Kyunghyun Cho , Nicolas Ballas , Christopher Pal , Hugo Larochelle , Aaron Courville

Visual appearance-based person retrieval is a challenging problem in surveillance. It uses attributes like height, cloth color, cloth type and gender to describe a human. Such attributes are known as soft biometrics. This paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2019-11-01 Hiren Galiyawala , Mehul S Raval , Shivansh Dave

Person search by natural language aims at retrieving a specific person in a large-scale image pool that matches the given textual descriptions. While most of the current methods treat the task as a holistic visual and textual feature…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Zhe Wang , Zhiyuan Fang , Jun Wang , Yezhou Yang

Recent advances in Computer Vision and Deep Learning made possible the efficient extraction of a schema from frames of streaming video. As such, a stream of objects and their associated classes along with unique object identifiers derived…

Databases · Computer Science 2020-03-09 Yueting Chen , Xiaohui Yu , Nick Koudas

Spatio-temporal video grounding aims to retrieve the spatio-temporal tube of a queried object according to the given sentence. Currently, most existing grounding methods are restricted to well-aligned segment-sentence pairs. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Zhu Zhang , Zhou Zhao , Zhijie Lin , Baoxing Huai , Nicholas Jing Yuan

In this paper, we present a framework that jointly retrieves and spatiotemporally highlights actions in videos by enhancing current deep cross-modal retrieval methods. Our work takes on the novel task of action highlighting, which…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Seito Kasai , Yuchi Ishikawa , Masaki Hayashi , Yoshimitsu Aoki , Kensho Hara , Hirokatsu Kataoka

Computer-aided pathology detection algorithms for video-based imaging modalities must accurately interpret complex spatiotemporal information by integrating findings across multiple frames. Current state-of-the-art methods operate by…

Person search has drawn increasing attention due to its real-world applications and research significance. Person search aims to find a probe person in a gallery of scene images with a wide range of applications, such as criminals search,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Xiangtan Lin , Pengzhen Ren , Yun Xiao , Xiaojun Chang , Alex Hauptmann

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks

The query-based moment retrieval is a problem of localising a specific clip from an untrimmed video according a query sentence. This is a challenging task that requires interpretation of both the natural language query and the video…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä