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Weakly-supervised audio-visual video parsing (AVVP) seeks to detect audible, visible, and audio-visual events without temporal annotations. Previous work has emphasized refining global predictions through contrastive or collaborative…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Yaru Chen , Ruohao Guo , Liting Gao , Yang Xiang , Qingyu Luo , Zhenbo Li , Wenwu Wang

We propose Context-aware Video-text Alignment (CVA), a novel framework to address a significant challenge in video temporal grounding: achieving temporally sensitive video-text alignment that remains robust to irrelevant background context.…

机器学习 · 计算机科学 2026-03-27 Sungho Moon , Seunghun Lee , Jiwan Seo , Sunghoon Im

The temporal action segmentation task segments videos temporally and predicts action labels for all frames. Fully supervising such a segmentation model requires dense frame-wise action annotations, which are expensive and tedious to…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Guodong Ding , Angela Yao

Language models as intelligent agents push the boundaries of sequential decision-making agents but struggle with limited knowledge of environmental dynamics and exponentially huge action space. Recent efforts like GLAM and TWOSOME manually…

人工智能 · 计算机科学 2024-05-28 Muning Wen , Ziyu Wan , Weinan Zhang , Jun Wang , Ying Wen

Open-vocabulary object detection (OVOD) has recently gained significant attention as a crucial step toward achieving human-like visual intelligence. Existing OVOD methods extend target vocabulary from pre-defined categories to open-world by…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Sunghun Kang , Junbum Cha , Jonghwan Mun , Byungseok Roh , Chang D. Yoo

Recent proposed neural network-based Temporal Action Detection (TAD) models are inherently limited to extracting the discriminative representations and modeling action instances with various lengths from complex scenes by shared-weights…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Le Yang , Ziwei Zheng , Yizeng Han , Hao Cheng , Shiji Song , Gao Huang , Fan Li

Out-of-distribution (OOD) detection is crucial for model reliability, as it identifies samples from unknown classes and reduces errors due to unexpected inputs. Vision-Language Models (VLMs) such as CLIP are emerging as powerful tools for…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Yabin Zhang , Wenjie Zhu , Chenhang He , Lei Zhang

Open-vocabulary 3D Object Detection (OV-3DDet) aims to detect objects from an arbitrary list of categories within a 3D scene, which remains seldom explored in the literature. There are primarily two fundamental problems in OV-3DDet, i.e.,…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Yang Cao , Yihan Zeng , Hang Xu , Dan Xu

Open-Vocabulary Segmentation (OVS) methods offer promising capabilities in detecting unseen object categories, but the category must be known and needs to be provided by a human, either via a text prompt or pre-labeled datasets, thus…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Weijie Wei , Osman Ülger , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Prompt-OVD is an efficient and effective framework for open-vocabulary object detection that utilizes class embeddings from CLIP as prompts, guiding the Transformer decoder to detect objects in both base and novel classes. Additionally, our…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hwanjun Song , Jihwan Bang

To identify objects beyond predefined categories, open-vocabulary aerial object detection (OVAD) leverages the zero-shot capabilities of visual-language models (VLMs) to generalize from base to novel categories. Existing approaches…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Jianhang Yao , Yongbin Zheng , Siqi Lu , Wanying Xu , Peng Sun

Continual test-time adaptive object detection (CTTA-OD) aims to online adapt a source pre-trained detector to ever-changing environments during inference under continuous domain shifts. Most existing CTTA-OD methods prioritize effectiveness…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Kunyu Wang , Xueyang Fu , Xin Lu , Chengjie Ge , Chengzhi Cao , Wei Zhai , Zheng-Jun Zha

In order to reduce domain discrepancy to improve the performance of cross-domain spoken language identification (SLID) system, as an unsupervised domain adaptation (UDA) method, we have proposed a joint distribution alignment (JDA) model…

音频与语音处理 · 电气工程与系统科学 2022-04-01 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

Occluded person re-identification is a challenging task as human body parts could be occluded by some obstacles (e.g. trees, cars, and pedestrians) in certain scenes. Some existing pose-guided methods solve this problem by aligning body…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Tao Wang , Hong Liu , Pinhao Song , Tianyu Guo , Wei Shi

Segmenting images is critical for visual understanding but demands extensive pixel-level annotations. Foundational models have enabled new paradigms for predicting new classes guided by textual prompts, without annotations from the target…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Gabriele Rosi , Fabio Cermelli , Carlo Masone , Barbara Caputo

The diversity of retinal imaging devices poses a significant challenge: domain shift, which leads to performance degradation when applying the deep learning models trained on one domain to new testing domains. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2021-10-07 Peng Liu , Charlie T. Tran , Bin Kong , Ruogu Fang

In this paper, we propose GTA-VLA(Guide, Think, Act), an interactive Vision-Language-Action (VLA) framework that enables spatially steerable embodied reasoning by allowing users to guide robot policies with explicit visual cues. Existing…

机器人学 · 计算机科学 2026-05-14 Yiran Ling , Qing Lian , Jinghang Li , Qing Jiang , Tianming Zhang , Xiaoke Jiang , Chuanxiu Liu , Jie Liu , Lei Zhang

Most current pipelines for spatio-temporal action localization connect frame-wise or clip-wise detection results to generate action proposals, where only local information is exploited and the efficiency is hindered by dense per-frame…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Yuxi Li , Weiyao Lin , John See , Ning Xu , Shugong Xu , Ke Yan , Cong Yang

In recent years, Vision-Language-Action (VLA) models have become a vital research direction in robotics due to their impressive multimodal understanding and generalization capabilities. Despite the progress, their practical deployment is…

机器人学 · 计算机科学 2025-06-17 Wenxuan Song , Jiayi Chen , Pengxiang Ding , Yuxin Huang , Han Zhao , Donglin Wang , Haoang Li

The main progress for action segmentation comes from densely-annotated data for fully-supervised learning. Since manual annotation for frame-level actions is time-consuming and challenging, we propose to exploit auxiliary unlabeled videos,…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Min-Hung Chen , Baopu Li , Yingze Bao , Ghassan AlRegib