English
Related papers

Related papers: Not All Inputs Are Valid: Towards Open-Set Video M…

200 papers

Vision-Language Models (VLMs), such as CLIP, have demonstrated remarkable zero-shot out-of-distribution (OOD) detection capabilities, vital for reliable AI systems. Despite this promising capability, a comprehensive understanding of (1) why…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yuxiao Lee , Xiaofeng Cao , Wei Ye , Jiangchao Yao , Jingkuan Song , Heng Tao Shen

Multimodal retrieval systems are becoming increasingly vital for cutting-edge AI technologies, such as embodied AI and AI-driven digital content industries. However, current multimodal retrieval tasks lack sufficient complexity and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Bangwei Liu , Yicheng Bao , Shaohui Lin , Xuhong Wang , Xin Tan , Yingchun Wang , Yuan Xie , Chaochao Lu

Motivated by the increasing need of saving search effort by obtaining relevant video clips instead of whole videos, we propose a new task, named Semantic Video Moments Retrieval at scale (SVMR), which aims at finding relevant videos coupled…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Na Li

Given a natural language query, video moment retrieval aims to localize the described temporal moment in an untrimmed video. A major challenge of this task is its heavy dependence on labor-intensive annotations for training. Unlike existing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Peijun Bao , Chenqi Kong , Zihao Shao , Boon Poh Ng , Meng Hwa Er , Alex C. Kot

Remote sensing object detection has made significant progress, but most studies still focus on closed-set detection, limiting generalization across diverse datasets. Open-vocabulary object detection (OVD) provides a solution by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ziyue Huang , Yongchao Feng , Shuai Yang , Ziqi Liu , Qingjie Liu , Yunhong Wang

Open-vocabulary detection (OVD) is a new object detection paradigm, aiming to localize and recognize unseen objects defined by an unbounded vocabulary. This is challenging since traditional detectors can only learn from pre-defined…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Jincheng Li , Chunyu Xie , Xiaoyu Wu , Bin Wang , Dawei Leng

Action detection aims to detect (recognize and localize) human actions spatially and temporally in videos. Existing approaches focus on the closed-set setting where an action detector is trained and tested on videos from a fixed set of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Wentao Bao , Kai Li , Yuxiao Chen , Deep Patel , Martin Renqiang Min , Yu Kong

Out-of-distribution detection (OOD) is a pivotal task for real-world applications that trains models to identify samples that are distributionally different from the in-distribution (ID) data during testing. Recent advances in AI,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Chaohua Li , Enhao Zhang , Chuanxing Geng , Songcan Chen

The challenge of open-vocabulary recognition lies in the model has no clue of new categories it is applied to. Existing works have proposed different methods to embed category cues into the model, \eg, through few-shot fine-tuning,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Zehong Ma , Shiliang Zhang , Longhui Wei , Qi Tian

Video Moment Retrieval (VMR) aims to localize a specific temporal segment within an untrimmed long video given a natural language query. Existing methods often suffer from inadequate training annotations, i.e., the sentence typically…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Weitong Cai , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

Recognizing out-of-distribution (OOD) samples is critical for machine learning systems deployed in the open world. The vast majority of OOD detection methods are driven by a single modality (e.g., either vision or language), leaving the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Yifei Ming , Ziyang Cai , Jiuxiang Gu , Yiyou Sun , Wei Li , Yixuan Li

Open-vocabulary object detection (OVD) aims to scale up vocabulary size to detect objects of novel categories beyond the training vocabulary. Recent work resorts to the rich knowledge in pre-trained vision-language models. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Peixian Chen , Kekai Sheng , Mengdan Zhang , Mingbao Lin , Yunhang Shen , Shaohui Lin , Bo Ren , Ke Li

In autonomous driving and robotics, ensuring road safety and reliable decision-making critically depends on out-of-distribution (OOD) segmentation. While numerous methods have been proposed to detect anomalous objects on the road,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Seungheon Song , Jaekoo Lee

Out-of-distribution (OOD) detection seeks to identify samples from unknown classes, a critical capability for deploying machine learning models in open-world scenarios. Recent research has demonstrated that Vision-Language Models (VLMs) can…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Zhikang Xu , Qianqian Xu , Zitai Wang , Cong Hua , Sicong Li , Zhiyong Yang , Qingming Huang

Open-vocabulary object detection (OVD), detecting specific classes of objects using only their linguistic descriptions (e.g., class names) without any image samples, has garnered significant attention. However, in real-world applications,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

An object detector's ability to detect and flag \textit{novel} objects during open-world deployments is critical for many real-world applications. Unfortunately, much of the work in open object detection today is disjointed and fails to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Matthew Inkawhich , Nathan Inkawhich , Hao Yang , Jingyang Zhang , Randolph Linderman , Yiran Chen

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes. Recent progress in pre-trained vision-language models (VLMs)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuanwei Hu , Bo Peng , Yadan Luo , Zhen Fang , Ling Chen , Jie Lu

Temporal Action Detection and Moment Retrieval constitute two pivotal tasks in video understanding, focusing on precisely localizing temporal segments corresponding to specific actions or events. Recent advancements introduced Moment…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Weijun Zhuang , Qizhang Li , Xin Li , Ming Liu , Xiaopeng Hong , Feng Gao , Fan Yang , Wangmeng Zuo

Existing Video Corpus Moment Retrieval (VCMR) is limited to coarse-grained understanding, which hinders precise video moment localization when given fine-grained queries. In this paper, we propose a more challenging fine-grained VCMR…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Houlun Chen , Xin Wang , Hong Chen , Zeyang Zhang , Wei Feng , Bin Huang , Jia Jia , Wenwu Zhu

Recent advances in medical vision-language models (VLMs) demonstrate impressive performance in image classification tasks, driven by their strong zero-shot generalization capabilities. However, given the high variability and complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Lie Ju , Sijin Zhou , Yukun Zhou , Huimin Lu , Zhuoting Zhu , Pearse A. Keane , Zongyuan Ge