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Related papers: Query by Activity Video in the Wild

200 papers

Reconstructing dynamic visual experiences from brain activity provides a compelling avenue for exploring the neural mechanisms of human visual perception. While recent progress in fMRI-based image reconstruction has been notable, extending…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Minghan Yang , Lan Yang , Ke Li , Honggang Zhang , Kaiyue Pang , Yizhe Song

We propose an efficient approach for activity detection in video that unifies activity categorization with space-time localization. The main idea is to pose activity detection as a maximum-weight connected subgraph problem. Offline, we…

Computer Vision and Pattern Recognition · Computer Science 2016-07-12 Chao-Yeh Chen , Kristen Grauman

Images with visual and scene text content are ubiquitous in everyday life. However, current image interpretation systems are mostly limited to using only the visual features, neglecting to leverage the scene text content. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Arka Ujjal Dey , Suman Kumar Ghosh , Ernest Valveny , Gaurav Harit

Current video retrieval efforts all found their evaluation on an instance-based assumption, that only a single caption is relevant to a query video and vice versa. We demonstrate that this assumption results in performance comparisons often…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Michael Wray , Hazel Doughty , Dima Damen

Agents capable of reasoning and planning in the real world require the ability of predicting the consequences of their actions. While world models possess this capability, they most often require action labels, that can be complex to obtain…

Artificial Intelligence · Computer Science 2026-01-21 Quentin Garrido , Tushar Nagarajan , Basile Terver , Nicolas Ballas , Yann LeCun , Michael Rabbat

Multimodal embedding models have been crucial in enabling various downstream tasks such as semantic similarity, information retrieval, and clustering over different modalities. However, existing multimodal embeddings like VLM2Vec, E5-V, GME…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Rui Meng , Ziyan Jiang , Ye Liu , Mingyi Su , Xinyi Yang , Yuepeng Fu , Can Qin , Zeyuan Chen , Ran Xu , Caiming Xiong , Yingbo Zhou , Wenhu Chen , Semih Yavuz

We introduce a multimodal visual-textual search refinement method for fashion garments. Existing search engines do not enable intuitive, interactive, refinement of retrieved results based on the properties of a particular product. We…

Machine Learning · Computer Science 2019-06-18 Gil Sadeh , Lior Fritz , Gabi Shalev , Eduard Oks

State-of-the-art methods for self-supervised sequential action alignment rely on deep networks that find correspondences across videos in time. They either learn frame-to-frame mapping across sequences, which does not leverage temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Weizhe Liu , Bugra Tekin , Huseyin Coskun , Vibhav Vineet , Pascal Fua , Marc Pollefeys

Visual-semantic embedding is an interesting research topic because it is useful for various tasks, such as visual question answering (VQA), image-text retrieval, image captioning, and scene graph generation. In this paper, we focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Kazuya Ueki

Video retrieval is a challenging research topic bridging the vision and language areas and has attracted broad attention in recent years. Previous works have been devoted to representing videos by directly encoding from frame-level…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Zerun Feng , Zhimin Zeng , Caili Guo , Zheng Li

Multimodal embedding models aim to map heterogeneous inputs, such as text, images, videos, and audio, into a shared semantic space. However, existing methods and benchmarks remain largely limited to partial modality coverage, making it…

Information Retrieval · Computer Science 2026-04-28 Haohang Huang , Xuan Lu , Mingyi Su , Xuan Zhang , Ziyan Jiang , Ping Nie , Kai Zou , Tomas Pfister , Wenhu Chen , Wei Zhang , Xiaoyu Shen , Rui Meng

With the emergence of social media, voluminous video clips are uploaded every day, and retrieving the most relevant visual content with a language query becomes critical. Most approaches aim to learn a joint embedding space for plain…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Burak Satar , Hongyuan Zhu , Xavier Bresson , Joo Hwee Lim

In this paper, we examined the zero-shot activity recognition task with the usage of videos. We introduce an auto-encoder based model to construct a multimodal joint embedding space between the visual and textual manifolds. On the visual…

Computer Vision and Pattern Recognition · Computer Science 2020-02-07 Evin Pinar Ornek

We present a method to learn a joint multimodal representation space that enables recognition of unseen activities in videos. We first compare the effect of placing various constraints on the embedding space using paired text and video…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 AJ Piergiovanni , Michael S. Ryoo

Semantic retrieval, which retrieves semantically matched items given a textual query, has been an essential component to enhance system effectiveness in e-commerce search. In this paper, we study the multimodal retrieval problem, where the…

Information Retrieval · Computer Science 2025-06-26 Zhigong Zhou , Ning Ding , Xiaochuan Fan , Yue Shang , Yiming Qiu , Jingwei Zhuo , Zhiwei Ge , Songlin Wang , Lin Liu , Sulong Xu , Han Zhang

Query-based moment retrieval aims to localize the most relevant moment in an untrimmed video according to the given natural language query. Existing works often only focus on one aspect of this emerging task, such as the query…

Information Retrieval · Computer Science 2019-07-30 Zhu Zhang , Zhijie Lin , Zhou Zhao , Zhenxin Xiao

This paper strives for repetitive activity counting in videos. Different from existing works, which all analyze the visual video content only, we incorporate for the first time the corresponding sound into the repetition counting process.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Yunhua Zhang , Ling Shao , Cees G. M. Snoek

Video Action Recognition (VAR) is a challenging task due to its inherent complexities. Though different approaches have been explored in the literature, designing a unified framework to recognize a large number of human actions is still a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Soumyabrata Chaudhuri , Saumik Bhattacharya

This thesis explore different approaches using Convolutional and Recurrent Neural Networks to classify and temporally localize activities on videos, furthermore an implementation to achieve it has been proposed. As the first step, features…

Computer Vision and Pattern Recognition · Computer Science 2017-03-06 Alberto Montes , Amaia Salvador , Santiago Pascual , Xavier Giro-i-Nieto

Visual search is a ubiquitous and often challenging daily task, exemplified by looking for the car keys at home or a friend in a crowd. An intriguing property of some classical search tasks is an asymmetry such that finding a target A among…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Shashi Kant Gupta , Mengmi Zhang , Chia-Chien Wu , Jeremy M. Wolfe , Gabriel Kreiman