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Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS)…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kunhao Yuan , Gerald Schaefer , Yu-Kun Lai , Yifan Wang , Xiyao Liu , Lin Guan , Hui Fang

Automated video-based assessment of surgical skills is a promising task in assisting young surgical trainees, especially in poor-resource areas. Existing works often resort to a CNN-LSTM joint framework that models long-term relationships…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Zhenqiang Li , Lin Gu , Weimin Wang , Ryosuke Nakamura , Yoichi Sato

Pedestrian detection plays an important role in many applications such as autonomous driving. We propose a method that explores semantic segmentation results as self-attention cues to significantly improve the pedestrian detection…

计算机视觉与模式识别 · 计算机科学 2019-06-07 Chengju Zhou , Meiqing Wu , Siew-Kei Lam

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers

Self-supervised learning has demonstrated remarkable capability in representation learning for skeleton-based action recognition. Existing methods mainly focus on applying global data augmentation to generate different views of the skeleton…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Yujie Zhou , Haodong Duan , Anyi Rao , Bing Su , Jiaqi Wang

Unsupervised clustering aims at discovering the semantic categories of data according to some distance measured in the representation space. However, different categories often overlap with each other in the representation space at the…

Weakly Supervised Temporal Action Localization (WTAL) aims to classify and localize temporal boundaries of actions for the video, given only video-level category labels in the training datasets. Due to the lack of boundary information…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Guozhang Li , De Cheng , Xinpeng Ding , Nannan Wang , Jie Li , Xinbo Gao

Video semantic segmentation has achieved great progress under the supervision of large amounts of labelled training data. However, domain adaptive video segmentation, which can mitigate data labelling constraints by adapting from a labelled…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Yun Xing , Dayan Guan , Jiaxing Huang , Shijian Lu

Semi-supervised learning has become increasingly popular in medical image segmentation due to its ability to leverage large amounts of unlabeled data to extract additional information. However, most existing semi-supervised segmentation…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Shengbo Gao , Ziji Zhang , Jiechao Ma , Zihao Li , Shu Zhang

Image-level weakly supervised semantic segmentation is a challenging problem that has been deeply studied in recent years. Most of advanced solutions exploit class activation map (CAM). However, CAMs can hardly serve as the object mask due…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

In recent years, Contrastive Language-Image Pretraining (CLIP) has been widely applied to Weakly Supervised Semantic Segmentation (WSSS) tasks due to its powerful cross-modal semantic understanding capabilities. This paper proposes a novel…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Xiuli Bi , Die Xiao , Junchao Fan , Bin Xiao

Semi-supervised medical image segmentation has attracted much attention in recent years because of the high cost of medical image annotations. In this paper, we propose a novel Inherent Consistent Learning (ICL) method, aims to learn robust…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Ye Zhu , Jie Yang , Si-Qi Liu , Ruimao Zhang

In this work, we propose CLUDA, a simple, yet novel method for performing unsupervised domain adaptation (UDA) for semantic segmentation by incorporating contrastive losses into a student-teacher learning paradigm, that makes use of…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Midhun Vayyat , Jaswin Kasi , Anuraag Bhattacharya , Shuaib Ahmed , Rahul Tallamraju

Recently, learning open-vocabulary semantic segmentation from text supervision has achieved promising downstream performance. Nevertheless, current approaches encounter an alignment granularity gap owing to the absence of dense annotations,…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Yajie Liu , Pu Ge , Qingjie Liu , Di Huang

This paper tackles the challenging problem of estimating the intensity of Facial Action Units with few labeled images. Contrary to previous works, our method does not require to manually select key frames, and produces state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Enrique Sanchez , Adrian Bulat , Anestis Zaganidis , Georgios Tzimiropoulos

Semi-Supervised Domain Adaptation (SSDA) leverages knowledge from a fully labeled source domain to classify data in a partially labeled target domain. Due to the limited number of labeled samples in the target domain, there can be intrinsic…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Yuting Hong , Li Dong , Xiaojie Qiu , Hui Xiao , Baochen Yao , Siming Zheng , Chengbin Peng

Semi-supervised medical image segmentation is a crucial technique for alleviating the high cost of data annotation. When labeled data is limited, textual information can provide additional context to enhance visual semantic understanding.…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Kaiwen Huang , Yi Zhou , Huazhu Fu , Yizhe Zhang , Chen Gong , Tao Zhou

Semi-supervised learning (SSL) has shown notable potential in relieving the heavy demand of dense prediction tasks on large-scale well-annotated datasets, especially for the challenging multi-organ segmentation (MoS). However, the…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenghao Feng , Lu Wen , Yuanyuan Xu , Binyu Yan , Xi Wu , Jiliu Zhou , Yan Wang

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Contrastive Learning (CL) is a recent representation learning approach, which encourages inter-class separability and intra-class compactness in learned image representations. Since medical images often contain multiple semantic classes in…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Prashant Pandey , Ajey Pai , Nisarg Bhatt , Prasenjit Das , Govind Makharia , Prathosh AP , Mausam