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Temporal sentence localization in videos (TSLV) aims to retrieve the most interested segment in an untrimmed video according to a given sentence query. However, almost of existing TSLV approaches suffer from the same limitations: (1) They…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Daizong Liu , Pan Zhou

Inspired by the activity-silent and persistent activity mechanisms in human visual perception biology, we design a Unified Static and Dynamic Network (UniSDNet), to learn the semantic association between the video and text/audio queries in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Jingjing Hu , Dan Guo , Kun Li , Zhan Si , Xun Yang , Xiaojun Chang , Meng Wang

The ability to learn sequentially from different data sites is crucial for a deep network in solving practical medical image diagnosis problems due to privacy restrictions and storage limitations. However, adapting on incoming site leads to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Dunyuan Xu , Xi Wang , Jingyang Zhang , Pheng-Ann Heng

Video temporal understanding is crucial for multimodal large language models (MLLMs) to reason over events in videos. Despite recent advances in general video understanding, current MLLMs still struggle with fine-grained temporal reasoning.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Fuwen Luo , Shengfeng Lou , Chi Chen , Ziyue Wang , Chenliang Li , Weizhou Shen , Jiyue Guo , Peng Li , Ming Yan , Ji Zhang , Fei Huang , Yang Liu

Sentence-level classification and sequential labeling are two fundamental tasks in language understanding. While these two tasks are usually modeled separately, in reality, they are often correlated, for example in intent classification and…

Computation and Language · Computer Science 2017-10-02 Mingbo Ma , Kai Zhao , Liang Huang , Bing Xiang , Bowen Zhou

In clinical practice, a segmentation network is often required to continually learn on a sequential data stream from multiple sites rather than a consolidated set, due to the storage cost and privacy restriction. However, during the…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Jingyang Zhang , Peng Xue , Ran Gu , Yuning Gu , Mianxin Liu , Yongsheng Pan , Zhiming Cui , Jiawei Huang , Lei Ma , Dinggang Shen

Video temporal grounding (VTG), which localizes the start and end times of a queried event in an untrimmed video, is a key test of whether multimodal large language models (MLLMs) understand not only what happens but also when it happens.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Dazhao Du , Liao Duan , Jian Liu , Tao Han , Yujia Zhang , Eric Liu , Xi Chen , Song Guo

The temporal sentence grounding in video (TSGV) task is to locate a temporal moment from an untrimmed video, to match a language query, i.e., a sentence. Without considering bias in moment annotations (e.g., start and end positions in a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Hao Zhang , Aixin Sun , Wei Jing , Joey Tianyi Zhou

A key challenge in continuous sign language recognition (CSLR) is to efficiently capture long-range spatial interactions over time from the video input. To address this challenge, we propose TCNet, a hybrid network that effectively models…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Hui Lu , Albert Ali Salah , Ronald Poppe

Referring Video Object Segmentation (RVOS) aims to segment and track objects in videos based on natural language expressions, requiring precise alignment between visual content and textual queries. However, existing methods often suffer…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Seunghun Lee , Jiwan Seo , Jeonghoon Kim , Sungho Moon , Siwon Kim , Haeun Yun , Hyogyeong Jeon , Wonhyeok Choi , Jaehoon Jeong , Zane Durante , Sang Hyun Park , Sunghoon Im

Temporal sentence grounding (TSG) aims to locate a specific moment from an untrimmed video with a given natural language query. Recently, weakly supervised methods still have a large performance gap compared to fully supervised ones, while…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Hanjun Li , Xiujun Shu , Sunan He , Ruizhi Qiao , Wei Wen , Taian Guo , Bei Gan , Xing Sun

Temporal language grounding (TLG) is a fundamental and challenging problem for vision and language understanding. Existing methods mainly focus on fully supervised setting with temporal boundary labels for training, which, however, suffers…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Yuechen Wang , Jiajun Deng , Wengang Zhou , Houqiang Li

Grounded Multimodal Named Entity Recognition (GMNER) extends traditional NER by jointly detecting textual mentions and grounding them to visual regions. While existing supervised methods achieve strong performance, they rely on costly…

Information Retrieval · Computer Science 2025-11-13 Jielong Tang , Shuang Wang , Zhenxing Wang , Jianxing Yu , Jian Yin

Video semantic segmentation requires to utilize the complex temporal relations between frames of the video sequence. Previous works usually exploit accurate optical flow to leverage the temporal relations, which suffer much from heavy…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Wang , Weining Wang , Jing Liu

Grounding textual phrases in visual content is a meaningful yet challenging problem with various potential applications such as image-text inference or text-driven multimedia interaction. Most of the current existing methods adopt the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Zhiyuan Fang , Shu Kong , Tianshu Yu , Yezhou Yang

Video Temporal Grounding (VTG) aims to localize temporal segments in long, untrimmed videos that align with a given natural language query. This task typically comprises two subtasks: Moment Retrieval (MR) and Highlight Detection (HD).…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Minseok Kang , Minhyeok Lee , Minjung Kim , Donghyeong Kim , Sangyoun Lee

Temporal Knowledge Graph (TKG) reasoning involves predicting future events based on historical information. However, due to the unpredictability of future events, this task is highly challenging. To address this issue, we propose a…

Artificial Intelligence · Computer Science 2024-07-30 Ao Lv , Guige Ouyang , Yongzhong Huang , Yue Chen , Haoran Xie

This paper considers a video caption generating network referred to as Semantic Grouping Network (SGN) that attempts (1) to group video frames with discriminating word phrases of partially decoded caption and then (2) to decode those…

Computer Vision and Pattern Recognition · Computer Science 2021-02-04 Hobin Ryu , Sunghun Kang , Haeyong Kang , Chang D. Yoo

Temporal grounding aims to localize a video moment which is semantically aligned with a given natural language query. Existing methods typically apply a detection or regression pipeline on the fused representation with the research focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Zhenzhi Wang , Limin Wang , Tao Wu , Tianhao Li , Gangshan Wu

Aiming at the problem that the spatial-temporal hierarchical continuous sign language recognition model based on deep learning has a large amount of computation, which limits the real-time application of the model, this paper proposes a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Qidan Zhu , Jing Li , Fei Yuan , Quan Gan