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Semi-supervised object detection (SSOD) aims to boost detection performance by leveraging extra unlabeled data. The teacher-student framework has been shown to be promising for SSOD, in which a teacher network generates pseudo-labels for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Honggyu Choi , Zhixiang Chen , Xuepeng Shi , Tae-Kyun Kim

Self-supervised learning presents a remarkable performance to utilize unlabeled data for various video tasks. In this paper, we focus on applying the power of self-supervised methods to improve semi-supervised action proposal generation.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Xiang Wang , Shiwei Zhang , Zhiwu Qing , Yuanjie Shao , Changxin Gao , Nong Sang

New intent discovery is a crucial capability for task-oriented dialogue systems. Existing methods focus on transferring in-domain (IND) prior knowledge to out-of-domain (OOD) data through pre-training and clustering stages. They either…

Computation and Language · Computer Science 2024-10-29 Yimin Deng , Yuxia Wu , Guoshuai Zhao , Li Zhu , Xueming Qian

Self-supervised vision transformers (SSTs) have shown great potential to yield rich localization maps that highlight different objects in an image. However, these maps remain class-agnostic since the model is unsupervised. They often tend…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

Multi-label image recognition with partial labels (MLR-PL) is designed to train models using a mix of known and unknown labels. Traditional methods rely on semantic or feature correlations to create pseudo-labels for unidentified labels…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Haoxian Ruan , Zhihua Xu , Zhijing Yang , Guang Ma , Jieming Xie , Changxiang Fan , Tianshui Chen

Recent domain adaptation methods have demonstrated impressive improvement on unsupervised domain adaptation problems. However, in the semi-supervised domain adaptation (SSDA) setting where the target domain has a few labeled instances…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bingyu Liu , Yuhong Guo , Jieping Ye , Weihong Deng

Temporal action localization plays an important role in video analysis, which aims to localize and classify actions in untrimmed videos. The previous methods often predict actions on a feature space of a single-temporal scale. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Zan Gao , Xinglei Cui , Tao Zhuo , Zhiyong Cheng , An-An Liu , Meng Wang , Shenyong Chen

Recent progress in weakly supervised object detection is featured by a combination of multiple instance detection networks (MIDN) and ordinal online refinement. However, with only image-level annotation, MIDN inevitably assigns high scores…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Yufei Yin , Jiajun Deng , Wengang Zhou , Li Li , Houqiang Li

This paper reports a new solution of leveraging temporal classification to support weakly supervised object detection (WSOD). Specifically, we introduce raster scan-order techniques to serialize 2D images into 1D sequence data, and then…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Chia-Yu Hsu , Wenwen Li

Domain adaptation in reinforcement learning (RL) mainly deals with the changes of observation when transferring the policy to a new environment. Many traditional approaches of domain adaptation in RL manage to learn a mapping function…

Machine Learning · Computer Science 2023-06-14 Qi Yi , Rui Zhang , Shaohui Peng , Jiaming Guo , Yunkai Gao , Kaizhao Yuan , Ruizhi Chen , Siming Lan , Xing Hu , Zidong Du , Xishan Zhang , Qi Guo , Yunji Chen

Cross-domain few-shot classification induces a much more challenging problem than its in-domain counterpart due to the existence of domain shifts between the training and test tasks. In this paper, we develop a novel Adaptive Parametric…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Marzi Heidari , Abdullah Alchihabi , Qing En , Yuhong Guo

Pseudo-labeling (PL) has been shown to be effective in semi-supervised automatic speech recognition (ASR), where a base model is self-trained with pseudo-labels generated from unlabeled data. While PL can be further improved by iteratively…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Yosuke Higuchi , Niko Moritz , Jonathan Le Roux , Takaaki Hori

Tactile signals collected by wearable electronics are essential in modeling and understanding human behavior. One of the main applications of tactile signals is action classification, especially in healthcare and robotics. However, existing…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jimmy Lin , Junkai Li , Jiasi Gao , Weizhi Ma , Yang Liu

Self-supervised vision transformers can generate accurate localization maps of the objects in an image. However, since they decompose the scene into multiple maps containing various objects, and they do not rely on any explicit supervisory…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Shakeeb Murtaza , Soufiane Belharbi , Marco Pedersoli , Aydin Sarraf , Eric Granger

We motivate weakly supervised learning as an effective learning paradigm for problems where curating perfectly annotated datasets is expensive and may require domain expertise such as fine-grained classification. We focus on Partial Label…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Darshana Saravanan , Naresh Manwani , Vineet Gandhi

Open-Vocabulary Temporal Action Detection (OV-TAD) aims to classify and localize action segments in untrimmed videos for unseen categories. Previous methods rely solely on global alignment between label-level semantics and visual features,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Sa Zhu , Wanqian Zhang , Lin Wang , Xiaohua Chen , Chenxu Cui , Jinchao Zhang , Bo Li

Real-world vision models in dynamic environments face rapid shifts in domain distributions, leading to decreased recognition performance. Using unlabeled test data, continuous test-time adaptation (CTTA) directly adjusts a pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Sarthak Kumar Maharana , Baoming Zhang , Yunhui Guo

Weakly supervised image segmentation trained with image-level labels usually suffers from inaccurate coverage of object areas during the generation of the pseudo groundtruth. This is because the object activation maps are trained with the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Weide Liu , Xiangfei Kong , Tzu-Yi Hung , Guosheng Lin

This paper describes a method of domain adaptive training for semantic segmentation using multiple source datasets that are not necessarily relevant to the target dataset. We propose a soft pseudo-label generation method by integrating…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura

Fine-tuning vision-language models (VLMs) with abundant unlabeled data recently has attracted increasing attention. Existing methods that resort to the pseudolabeling strategy would suffer from heavily incorrect hard pseudolabels when VLMs…

Machine Learning · Computer Science 2024-06-18 Jiahan Zhang , Qi Wei , Feng Liu , Lei Feng