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Training models dedicated to semantic segmentation requires a large amount of pixel-wise annotated data. Due to their costly nature, these annotations might not be available for the task at hand. To alleviate this problem, unsupervised…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Fei Pan , Francois Rameau , Junsik Kim , In So Kweon

Training deep models with limited annotations poses a significant challenge when applied to diverse practical domains. Employing semi-supervised learning alongside the self-supervised model offers the potential to enhance label efficiency.…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Ziting Wen , Oscar Pizarro , Stefan Williams

When labeled data is insufficient, semi-supervised learning with the pseudo-labeling technique can significantly improve the performance of automatic speech recognition. However, pseudo-labels are often noisy, containing numerous incorrect…

音频与语音处理 · 电气工程与系统科学 2023-08-15 Han Zhu , Dongji Gao , Gaofeng Cheng , Daniel Povey , Pengyuan Zhang , Yonghong Yan

Although fully-supervised oriented object detection has made significant progress in multimodal remote sensing image understanding, it comes at the cost of labor-intensive annotation. Recent studies have explored weakly and semi-supervised…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Yu Lin , Jianghang Lin , Kai Ye , You Shen , Yan Zhang , Shengchuan Zhang , Liujuan Cao , Rongrong Ji

Transformers have shown superior performance on various computer vision tasks with their capabilities to capture long-range dependencies. Despite the success, it is challenging to directly apply Transformers on point clouds due to their…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Jinyoung Park , Sanghyeok Lee , Sihyeon Kim , Yunyang Xiong , Hyunwoo J. Kim

The unsupervised pretraining of object detectors has recently become a key component of object detector training, as it leads to improved performance and faster convergence during the supervised fine-tuning stage. Existing unsupervised…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Ioannis Maniadis Metaxas , Adrian Bulat , Ioannis Patras , Brais Martinez , Georgios Tzimiropoulos

The vocabulary size in temporal action localization (TAL) is limited by the scarcity of large-scale annotated datasets. To overcome this, recent works integrate vision-language models (VLMs), such as CLIP, for open-vocabulary TAL (OV-TAL).…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Jeongseok Hyun , Su Ho Han , Hyolim Kang , Joon-Young Lee , Seon Joo Kim

We propose a weakly supervised temporal action localization algorithm on untrimmed videos using convolutional neural networks. Our algorithm learns from video-level class labels and predicts temporal intervals of human actions with no…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Phuc Nguyen , Ting Liu , Gautam Prasad , Bohyung Han

Reliance on vast annotations to achieve leading performance severely restricts the practicality of large-scale point cloud semantic segmentation. For the purpose of reducing data annotation costs, effective labeling schemes are developed…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Puzuo Wang , Wei Yao , Jie Shao

Human action or activity recognition in videos is a fundamental task in computer vision with applications in surveillance and monitoring, self-driving cars, sports analytics, human-robot interaction and many more. Traditional supervised…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Sharana Dharshikgan Suresh Dass , Hrishav Bakul Barua , Ganesh Krishnasamy , Raveendran Paramesran , Raphael C. -W. Phan

Foundation models, especially vision-language models (VLMs), offer compelling zero-shot object detection for applications like autonomous driving, a domain where manual labelling is prohibitively expensive. However, their detection latency…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Uday Bhaskar , Rishabh Bhattacharya , Avinash Patel , Sarthak Khoche , Praveen Anil Kulkarni , Naresh Manwani

Log anomaly detection is a key component in the field of artificial intelligence for IT operations (AIOps). Considering log data of variant domains, retraining the whole network for unknown domains is inefficient in real industrial…

机器学习 · 计算机科学 2022-01-19 Hongcheng Guo , Xingyu Lin , Jian Yang , Yi Zhuang , Jiaqi Bai , Tieqiao Zheng , Bo Zhang , Zhoujun Li

Weakly-Supervised Video Object Localization (WSVOL) involves localizing an object in videos using only video-level labels, also referred to as tags. State-of-the-art WSVOL methods like Temporal CAM (TCAM) rely on class activation mapping…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Shakeeb Murtaza , Marco Pedersoli , Aydin Sarraf , Eric Granger

In this paper, we delve into two key techniques in Semi-Supervised Object Detection (SSOD), namely pseudo labeling and consistency training. We observe that these two techniques currently neglect some important properties of object…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Gang Li , Xiang Li , Yujie Wang , Yichao Wu , Ding Liang , Shanshan Zhang

Temporal Action Localization (TAL) aims to detect the start and end timestamps of actions in a video. However, the training of TAL models requires a substantial amount of manually annotated data. Data programming is an efficient method to…

人机交互 · 计算机科学 2025-05-26 Yuchen He , Jianbing Lv , Liqi Cheng , Lingyu Meng , Dazhen Deng , Yingcai Wu

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

Deep neural networks based purely on attention have been successful across several domains, relying on minimal architectural priors from the designer. In Human Action Recognition (HAR), attention mechanisms have been primarily adopted on…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Vittorio Mazzia , Simone Angarano , Francesco Salvetti , Federico Angelini , Marcello Chiaberge

Domain adaptation helps transfer the knowledge gained from a labeled source domain to an unlabeled target domain. During the past few years, different domain adaptation techniques have been published. One common flaw of these approaches is…

机器学习 · 计算机科学 2020-12-25 Mohammad J. Hashemi , Eric Keller

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

In this paper, we propose a novel semi-supervised learning (SSL) framework named BoostMIS that combines adaptive pseudo labeling and informative active annotation to unleash the potential of medical image SSL models: (1) BoostMIS can…

图像与视频处理 · 电气工程与系统科学 2022-03-22 Wenqiao Zhang , Lei Zhu , James Hallinan , Andrew Makmur , Shengyu Zhang , Qingpeng Cai , Beng Chin Ooi