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Recent progress in fine-grained gesture and action classification, and machine translation, point to the possibility of automated sign language recognition becoming a reality. A key stumbling block in making progress towards this goal is a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Samuel Albanie , Gül Varol , Liliane Momeni , Triantafyllos Afouras , Joon Son Chung , Neil Fox , Andrew Zisserman

Semantic segmentation is a fundamental task in medical image analysis and autonomous driving and has a problem with the high cost of annotating the labels required in training. To address this problem, semantic segmentation methods based on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Nagito Saito , Shintaro Ito , Koichi Ito , Takafumi Aoki

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

Semi-supervised multi-organ medical image segmentation aids physicians in improving disease diagnosis and treatment planning and reduces the time and effort required for organ annotation.Existing state-of-the-art methods train the labeled…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Haochen Zhao , Hui Meng , Deqian Yang , Xiaozheng Xie , Xiaoze Wu , Qingfeng Li , Jianwei Niu

Auto-annotation by ensemble of models is an efficient method of learning on unlabeled data. Wrong or inaccurate annotations generated by the ensemble may lead to performance degradation of the trained model. To deal with this problem we…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Dror Simon , Miriam Farber , Roman Goldenberg

Sign language recognition (SLR) has recently achieved a breakthrough in performance thanks to deep neural networks trained on large annotated sign datasets. Of the many different sign languages, these annotated datasets are only available…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Ahmet Alp Kindiroglu , Ozgur Kara , Ogulcan Ozdemir , Lale Akarun

Sign Language Translation (SLT) aims to map sign language videos to spoken language text. A common approach relies on gloss annotations as an intermediate representation, decomposing SLT into two sub-tasks: video-to-gloss recognition and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Jianyuan Guo , Peike Li , Trevor Cohn

Semi-supervised learning for LiDAR semantic segmentation often suffers from error propagation and confirmation bias caused by noisy pseudo-labels. To tackle this chronic issue, we introduce RePL, a novel framework that enhances pseudo-label…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Donghyeon Kwon , Taegyu Park , Suha Kwak

Localizing keypoints of an object is a basic visual problem. However, supervised learning of a keypoint localization network often requires a large amount of data, which is expensive and time-consuming to obtain. To remedy this, there is an…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Can Wang , Sheng Jin , Yingda Guan , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang

Performance of a pre-trained semantic segmentation model is likely to substantially decrease on data from a new domain. We show a pre-trained model can be adapted to unlabelled target domain data by calculating soft-label prototypes under…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Ondrej Bohdal , Da Li , Timothy Hospedales

Weakly supervised semantic segmentation receives much research attention since it alleviates the need to obtain a large amount of dense pixel-wise ground-truth annotations for the training images. Compared with other forms of weak…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

Although deep neural networks have achieved remarkable results for the task of semantic segmentation, they usually fail to generalize towards new domains, especially when performing synthetic-to-real adaptation. Such domain shift is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Adriano Cardace , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano

Audio-Visual Source Localization (AVSL) is the task of identifying specific sounding objects in the scene given audio cues. In our work, we focus on semi-supervised AVSL with pseudo-labeling. To address the issues with vanilla hard…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Yuxin Guo , Shijie Ma , Yuhao Zhao , Hu Su , Wei Zou

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),…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Xiangrong Zhang , Zelin Peng , Peng Zhu , Tianyang Zhang , Chen Li , Huiyu Zhou , Licheng Jiao

Semi-supervised semantic segmentation aims to learn from a small amount of labeled data and plenty of unlabeled ones for the segmentation task. The most common approach is to generate pseudo-labels for unlabeled images to augment the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Rui Chen , Tao Chen , Qiong Wang , Yazhou Yao

Annotating images for semantic segmentation requires intense manual labor and is a time-consuming and expensive task especially for domains with a scarcity of experts, such as Forensic Anthropology. We leverage the evolving nature of images…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Sara Mousavi , Zhenning Yang , Kelley Cross , Dawnie Steadman , Audris Mockus

Unsupervised domain adaptation(UDA) has been applied to image semantic segmentation to solve the problem of domain offset. However, in some difficult categories with poor recognition accuracy, the segmentation effects are still not ideal.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Xuewei Li , Weilun Zhang , Jie Gao , Xuzhou Fu , Jian Yu

Prior work on Sign Language Translation has shown that having a mid-level sign gloss representation (effectively recognizing the individual signs) improves the translation performance drastically. In fact, the current state-of-the-art in…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Necati Cihan Camgoz , Oscar Koller , Simon Hadfield , Richard Bowden

Sequential sensor data is generated in a wide variety of practical applications. A fundamental challenge involves learning effective classifiers for such sequential data. While deep learning has led to impressive performance gains in recent…

Machine Learning · Computer Science 2020-10-07 Nauman Ahad , Mark A. Davenport

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models using image data with only image-level supervision. Since precise pixel-level annotations are not accessible, existing methods typically focus on producing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ci-Siang Lin , Chien-Yi Wang , Yu-Chiang Frank Wang , Min-Hung Chen