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Spatiotemporal action recognition deals with locating and classifying actions in videos. Motivated by the latest state-of-the-art real-time object detector You Only Watch Once (YOWO), we aim to modify its structure to increase action…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Shentong Mo , Xiaoqing Tan , Jingfei Xia , Pinxu Ren

Despite great success has been achieved in activity analysis, it still has many challenges. Most existing work in activity recognition pay more attention to design efficient architecture or video sampling strategy. However, due to the…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Jingran Zhang , Fumin Shen , Xing Xu , Heng Tao Shen

Language models have demonstrated impressive ability in context understanding and generative performance. Inspired by the recent success of language foundation models, in this paper, we propose LMTraj (Language-based Multimodal Trajectory…

计算与语言 · 计算机科学 2024-03-28 Inhwan Bae , Junoh Lee , Hae-Gon Jeon

Video captioning models have seen notable advancements in recent years, especially with regard to their ability to capture temporal information. While many research efforts have focused on architectural advancements, such as temporal…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Vignesh Gopinathan , Urs Zimmermann , Michael Arnold , Matthias Rottmann

Detecting actions in untrimmed videos should not be limited to a small, closed set of classes. We present a simple, yet effective strategy for open-vocabulary temporal action detection utilizing pretrained image-text co-embeddings. Despite…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Vivek Rathod , Bryan Seybold , Sudheendra Vijayanarasimhan , Austin Myers , Xiuye Gu , Vighnesh Birodkar , David A. Ross

We present an efficient method for detecting anomalies in videos. Recent applications of convolutional neural networks have shown promises of convolutional layers for object detection and recognition, especially in images. However,…

计算机视觉与模式识别 · 计算机科学 2017-01-09 Yong Shean Chong , Yong Haur Tay

Many different approaches for estimating the Interaction Quality (IQ) of Spoken Dialogue Systems have been investigated. While dialogues clearly have a sequential nature, statistical classification approaches designed for sequential…

人机交互 · 计算机科学 2016-04-08 Stefan Ultes , Alexander Schmitt , Wolfgang Minker

Existing state-of-the-art methods for Video Object Segmentation (VOS) learn low-level pixel-to-pixel correspondences between frames to propagate object masks across video. This requires a large amount of densely annotated video data, which…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Ali Athar , Jonathon Luiten , Alexander Hermans , Deva Ramanan , Bastian Leibe

This paper presents VideoLoom, a unified Video Large Language Model (Video LLM) for joint spatial-temporal understanding. To facilitate the development of fine-grained spatial and temporal localization capabilities, we curate LoomData-8.7k,…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Jiapeng Shi , Junke Wang , Zuyao You , Bo He , Zuxuan Wu

The timed position of documents retrieved by learning to rank models can be seen as signals. Signals carry useful information such as drop or rise of documents over time or user behaviors. In this work, we propose to use the logic formalism…

计算机科学中的逻辑 · 计算机科学 2021-01-15 Tommaso Dreossi , Giorgio Ballardin , Parth Gupta , Jan Bakus , Yu-Hsiang Lin , Vamsi Salaka

In recent years, deep-learning-based visual object trackers have been studied thoroughly, but handling occlusions and/or rapid motion of the target remains challenging. In this work, we argue that conditioning on the natural language (NL)…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Qi Feng , Vitaly Ablavsky , Qinxun Bai , Guorong Li , Stan Sclaroff

In egocentric videos, actions occur in quick succession. We capitalise on the action's temporal context and propose a method that learns to attend to surrounding actions in order to improve recognition performance. To incorporate the…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Evangelos Kazakos , Jaesung Huh , Arsha Nagrani , Andrew Zisserman , Dima Damen

Conventional approaches to video segmentation are confined to predefined object categories and cannot identify out-of-vocabulary objects, let alone objects that are not identified explicitly but only referred to implicitly in complex text…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Yiqing Shen , Chenjia Li , Chenxiao Fan , Mathias Unberath

Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhengtong Zhu , Jiaqing Fan , Zhixuan Liu , Fanzhang Li

We propose SLOT (Sample-specific Language Model Optimization at Test-time), a novel and parameter-efficient test-time inference approach that enhances a language model's ability to more accurately respond to individual prompts. Existing…

计算与语言 · 计算机科学 2025-05-27 Yang Hu , Xingyu Zhang , Xueji Fang , Zhiyang Chen , Xiao Wang , Huatian Zhang , Guojun Qi

While Video Large Language Models (Video-LLMs) have demonstrated remarkable performance across general video understanding benchmarks-particularly in video captioning and descriptive tasks-they consistently underperform on tasks that…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Sameep Vani , Shreyas Jena , Maitreya Patel , Chitta Baral , Somak Aditya , Yezhou Yang

Detecting video moments and highlights from natural-language queries have been unified by transformer-based methods. Other works use generative Multimodal LLM (MLLM) to predict moments and/or highlights as text timestamps, utilizing its…

计算机视觉与模式识别 · 计算机科学 2025-12-16 I Putu Andika Bagas Jiwanta , Ayu Purwarianti

Autonomous driving requires the model to perceive the environment and (re)act within a low latency for safety. While past works ignore the inevitable changes in the environment after processing, streaming perception is proposed to jointly…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Jinrong Yang , Songtao Liu , Zeming Li , Xiaoping Li , Jian Sun

Speech emotion recognition (SER) systems aim to recognize human emotional state during human-computer interaction. Most existing SER systems are trained based on utterance-level labels. However, not all frames in an audio have affective…

声音 · 计算机科学 2023-12-29 Qifei Li , Yingming Gao , Cong Wang , Yayue Deng , Jinlong Xue , Yichen Han , Ya Li

Sounds reach one microphone in a stereo pair sooner than the other, resulting in an interaural time delay that conveys their directions. Estimating a sound's time delay requires finding correspondences between the signals recorded by each…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Ziyang Chen , David F. Fouhey , Andrew Owens