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Zero-shot skeleton-based action recognition aims to develop models capable of identifying actions beyond the categories encountered during training. Previous approaches have primarily focused on aligning visual and semantic representations…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Wenhan Wu , Zhishuai Guo , Chen Chen , Hongfei Xue , Aidong Lu

Zero-shot learning (ZSL) enables the recognition of novel classes by leveraging semantic knowledge transfer from known to unknown categories. This knowledge, typically encapsulated in attribute descriptions, aids in identifying…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Haojian Huang , Xiaozhen Qiao , Zhuo Chen , Haodong Chen , Bingyu Li , Zhe Sun , Mulin Chen , Xuelong Li

Skeleton data is of low dimension. However, there is a trend of using very deep and complicated feedforward neural networks to model the skeleton sequence without considering the complexity in recent year. In this paper, a simple yet…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Pengfei Zhang , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jianru Xue , Nanning Zheng

Skeleton-based temporal action segmentation is a fundamental yet challenging task, playing a crucial role in enabling intelligent systems to perceive and respond to human activities. While fully-supervised methods achieve satisfactory…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Hongsong Wang , Yiqin Shen , Pengbo Yan , Jie Gui

A collection of approaches based on graph convolutional networks have proven success in skeleton-based action recognition by exploring neighborhood information and dense dependencies between intra-frame joints. However, these approaches…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Jialin Gao , Tong He , Xi Zhou , Shiming Ge

Detecting Human-Object Interactions (HOI) in zero-shot settings, where models must handle unseen classes, poses significant challenges. Existing methods that rely on aligning visual encoders with large Vision-Language Models (VLMs) to tap…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Qinqian Lei , Bo Wang , Robby T. Tan

Action recognition with 3D skeleton sequences is becoming popular due to its speed and robustness. The recently proposed Convolutional Neural Networks (CNN) based methods have shown good performance in learning spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Zhengyuan Yang , Yuncheng Li , Jianchao Yang , Jiebo Luo

The number of categories for action recognition is growing rapidly. It is thus becoming increasingly hard to collect sufficient training data to learn conventional models for each category. This issue may be ameliorated by the increasingly…

计算机视觉与模式识别 · 计算机科学 2015-11-17 Xun Xu , Timothy Hospedales , Shaogang Gong

Existing semantic segmentation models heavily rely on dense pixel-wise annotations. To reduce the annotation pressure, we focus on a challenging task named zero-shot semantic segmentation, which aims to segment unseen objects with zero…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Zhangxuan Gu , Siyuan Zhou , Li Niu , Zihan Zhao , Liqing Zhang

Zero-shot 3D anomaly detection aims to identify anomalies without access to training data from target categories. However, existing methods mainly rely on projecting 3D observations into multi-view representations that primarily capture…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Letian Bai , Xuanming Cao , Juan Du , Chengyu Tao

Continual learning aims to refine model parameters for new tasks while retaining knowledge from previous tasks. Recently, prompt-based learning has emerged to leverage pre-trained models to be prompted to learn subsequent tasks without the…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jisu Han , Jaemin Na , Wonjun Hwang

Zero-shot action recognition (ZSAR) requires collaborative multi-modal spatiotemporal understanding. However, finetuning CLIP directly for ZSAR yields suboptimal performance, given its inherent constraints in capturing essential temporal…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yating Yu , Congqi Cao , Yueran Zhang , Qinyi Lv , Lingtong Min , Yanning Zhang

Video temporal grounding is an emerging topic aiming to identify specific clips within videos. In addition to pre-trained video models, contemporary methods utilize pre-trained vision-language models (VLM) to capture detailed…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Yubin Wang , Xinyang Jiang , De Cheng , Dongsheng Li , Cairong Zhao

The stance detection task aims to classify the stance toward given documents and topics. Since the topics can be implicit in documents and unseen in training data for zero-shot settings, we propose to boost the transferability of the stance…

计算与语言 · 计算机科学 2022-10-06 Yun Luo , Zihan Liu , Yuefeng Shi , Stan Z Li , Yue Zhang

This report presents a solution for the zero-shot referring expression comprehension task. Visual-language multimodal base models (such as CLIP, SAM) have gained significant attention in recent years as a cornerstone of mainstream research.…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Longfei Huang , Feng Yu , Zhihao Guan , Zhonghua Wan , Yang Yang

We introduce SynSE, a novel syntactically guided generative approach for Zero-Shot Learning (ZSL). Our end-to-end approach learns progressively refined generative embedding spaces constrained within and across the involved modalities…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Pranay Gupta , Divyanshu Sharma , Ravi Kiran Sarvadevabhatla

Zero-shot referring expression comprehension aims at localizing bounding boxes in an image corresponding to provided textual prompts, which requires: (i) a fine-grained disentanglement of complex visual scene and textual context, and (ii) a…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Zeyu Han , Fangrui Zhu , Qianru Lao , Huaizu Jiang

Zero-shot intent classification is a vital and challenging task in dialogue systems, which aims to deal with numerous fast-emerging unacquainted intents without annotated training data. To obtain more satisfactory performance, the crucial…

计算与语言 · 计算机科学 2022-06-07 Han Liu , Siyang Zhao , Xiaotong Zhang , Feng Zhang , Junjie Sun , Hong Yu , Xianchao Zhang

Teaching machines of scene contextual knowledge would enable them to interact more effectively with the environment and to anticipate or predict objects that may not be immediately apparent in their perceptual field. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Amirreza Rouhi , David Han

Volumetric medical segmentation is a critical component of 3D medical image analysis that delineates different semantic regions. Deep neural networks have significantly improved volumetric medical segmentation, but they generally require…

图像与视频处理 · 电气工程与系统科学 2024-07-18 Hanan Gani , Muzammal Naseer , Fahad Khan , Salman Khan