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相关论文: Improving Weakly Supervised Temporal Action Locali…

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Temporal action segmentation (TAS) divides untrimmed videos into labeled action segments. While fully supervised methods have advanced the field, challenges such as action variability, ambiguous boundaries, and high annotation costs remain,…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Yeo Keat Ee , Debaditya Roy , Chen Li , Hao Zhang , Basura Fernando

Weakly-supervised action localization requires training a model to localize the action segments in the video given only video level action label. It can be solved under the Multiple Instance Learning (MIL) framework, where a bag (video)…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Zhekun Luo , Devin Guillory , Baifeng Shi , Wei Ke , Fang Wan , Trevor Darrell , Huijuan Xu

Semantic segmentation has been continuously investigated in the last ten years, and majority of the established technologies are based on supervised models. In recent years, image-level weakly supervised semantic segmentation (WSSS),…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Xiangrong Zhang , Zelin Peng , Peng Zhu , Tianyang Zhang , Chen Li , Huiyu Zhou , Licheng Jiao

Weakly-supervised temporal action localization is a very challenging problem because frame-wise labels are not given in the training stage while the only hint is video-level labels: whether each video contains action frames of interest.…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Pilhyeon Lee , Youngjung Uh , Hyeran Byun

3D weakly supervised semantic segmentation (3D WSSS) aims to achieve semantic segmentation by leveraging sparse or low-cost annotated data, significantly reducing reliance on dense point-wise annotations. Previous works mainly employ class…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Xiaoxu Xu , Xuexun Liu , Jinlong Li , Yitian Yuan , Qiudan Zhang , Lin Ma , Nicu Sebe , Xu Wang

Multi-label multi-view action recognition aims to recognize multiple concurrent or sequential actions from untrimmed videos captured by multiple cameras. Existing work has focused on multi-view action recognition in a narrow area with…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Trung Thanh Nguyen , Yasutomo Kawanishi , Takahiro Komamizu , Ichiro Ide

The crux of semi-supervised temporal action localization (SS-TAL) lies in excavating valuable information from abundant unlabeled videos. However, current approaches predominantly focus on building models that are robust to the error-prone…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Kun Xia , Le Wang , Sanping Zhou , Gang Hua , Wei Tang

Weakly supervised semantic segmentation and localiza- tion have a problem of focusing only on the most important parts of an image since they use only image-level annota- tions. In this paper, we solve this problem fundamentally via…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Dahun Kim , Donghyeon Cho , Donggeun Yoo , In So Kweon

In this paper, we consider the problem of temporal action localization under low-shot (zero-shot & few-shot) scenario, with the goal of detecting and classifying the action instances from arbitrary categories within some untrimmed videos,…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Chen Ju , Zeqian Li , Peisen Zhao , Ya Zhang , Xiaopeng Zhang , Qi Tian , Yanfeng Wang , Weidi Xie

Temporal Action Localization (TAL) has garnered significant attention in information retrieval. Existing supervised or weakly supervised methods heavily rely on labeled temporal boundaries and action categories, which are labor-intensive…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Rui Xia , Dan Jiang , Quan Zhang , Ke Zhang , Chun Yuan

Current weakly supervised object localization and segmentation rely on class-discriminative visualization techniques to generate pseudo-labels for pixel-level training. Such visualization methods, including class activation mapping (CAM)…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Xiangwei Shi , Seyran Khademi , Yunqiang Li , Jan van Gemert

Existing semi-supervised video object segmentation methods either focus on temporal feature matching or spatial-temporal feature modeling. However, they do not address the issues of sufficient target interaction and efficient parallel…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Deshui Miao , Xin Li , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Recently, One-stage Weakly Supervised Semantic Segmentation (WSSS) with image-level labels has gained increasing interest due to simplification over its cumbersome multi-stage counterpart. Limited by the inherent ambiguity of Class…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Yuanchen Wu , Xichen Ye , Kequan Yang , Jide Li , Xiaoqiang Li

Weakly Supervised Sound Event Detection (WSSED), which relies on audio tags without precise onset and offset times, has become prevalent due to the scarcity of strongly labeled data that includes exact temporal boundaries for events. This…

音频与语音处理 · 电气工程与系统科学 2025-01-08 Yuliang Zhang , Defeng , Huang , Roberto Togneri

Temporal action localization (TAL) is a fundamental yet challenging task in video understanding. Existing TAL methods rely on pre-training a video encoder through action classification supervision. This results in a task discrepancy problem…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Mengmeng Xu , Juan-Manuel Perez-Rua , Xiatian Zhu , Bernard Ghanem , Brais Martinez

Weakly Labelled learning has garnered lot of attention in recent years due to its potential to scale Sound Event Detection (SED) and is formulated as Multiple Instance Learning (MIL) problem. This paper proposes a Multi-Task Learning (MTL)…

音频与语音处理 · 电气工程与系统科学 2020-11-02 Soham Deshmukh , Bhiksha Raj , Rita Singh

Temporal action detection (TAD) aims to detect all action boundaries and their corresponding categories in an untrimmed video. The unclear boundaries of actions in videos often result in imprecise predictions of action boundaries by…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Dingfeng Shi , Qiong Cao , Yujie Zhong , Shan An , Jian Cheng , Haogang Zhu , Dacheng Tao

Anomaly action detection and localization play an essential role in security and advanced surveillance systems. However, due to the tremendous amount of surveillance videos, most of the available data for the task is unlabeled or…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Nada Osman , Marwan Torki

For further progress in video object segmentation (VOS), larger, more diverse, and more challenging datasets will be necessary. However, densely labeling every frame with pixel masks does not scale to large datasets. We use a deep…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Paul Voigtlaender , Lishu Luo , Chun Yuan , Yong Jiang , Bastian Leibe

Weakly supervised video anomaly detection (WSVAD) is a challenging task. Generating fine-grained pseudo-labels based on weak-label and then self-training a classifier is currently a promising solution. However, since the existing methods…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Zhiwei Yang , Jing Liu , Peng Wu