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Few-shot semantic segmentation addresses the learning task in which only few images with ground truth pixel-level labels are available for the novel classes of interest. One is typically required to collect a large mount of data (i.e., base…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Yuan-Hao Lee , Fu-En Yang , Yu-Chiang Frank Wang

We study Label Smoothing (LS), a widely used regularization technique, in the context of neural learning to rank (L2R) models. LS combines the ground-truth labels with a uniform distribution, encouraging the model to be less confident in…

Information Retrieval · Computer Science 2020-12-17 Gustavo Penha , Claudia Hauff

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

Image instance segmentation is a fundamental research topic in autonomous driving, which is crucial for scene understanding and road safety. Advanced learning-based approaches often rely on the costly 2D mask annotations for training. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Xiang Li , Junbo Yin , Botian Shi , Yikang Li , Ruigang Yang , Jianbing Shen

Weakly-Supervised Camouflaged Object Detection (WSCOD) aims to locate and segment objects that are visually concealed within their surrounding scenes, relying solely on sparse supervision such as scribble annotations. Despite recent…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Jiawei Ge , Jiuxin Cao , Xinyi Li , Xuelin Zhu , Chang Liu , Bo Liu , Chen Feng , Ioannis Patras

Segmentation using deep learning has shown promising directions in medical imaging as it aids in the analysis and diagnosis of diseases. Nevertheless, a main drawback of deep models is that they require a large amount of pixel-level labels,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Sukesh Adiga , Jose Dolz , Herve Lombaert

Semantic segmentation is an important and popular research area in computer vision that focuses on classifying pixels in an image based on their semantics. However, supervised deep learning requires large amounts of data to train models and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Lingyan Ran , Yali Li , Guoqiang Liang , Yanning Zhang

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

Self-supervised learning systems have gained significant attention in recent years by leveraging clustering-based pseudo-labels to provide supervision without the need for human annotations. However, the noise in these pseudo-labels caused…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Zia-ur-Rehman , Arif Mahmood , Wenxiong Kang

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

This work addresses weakly-supervised image semantic segmentation based on image-level class labels. One common approach to this task is to propagate the activation scores of Class Activation Maps (CAMs) using a random-walk mechanism in…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Shun-Yi Pan , Cheng-You Lu , Shih-Po Lee , Wen-Hsiao Peng

Recently, sparsely-supervised 3D object detection has gained great attention, achieving performance close to fully-supervised 3D objectors while requiring only a few annotated instances. Nevertheless, these methods suffer challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Shijia Zhao , Qiming Xia , Xusheng Guo , Pufan Zou , Maoji Zheng , Hai Wu , Chenglu Wen , Cheng Wang

In this paper, we introduce a novel learning scheme named weakly semi-supervised instance segmentation (WSSIS) with point labels for budget-efficient and high-performance instance segmentation. Namely, we consider a dataset setting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Beomyoung Kim , Joonhyun Jeong , Dongyoon Han , Sung Ju Hwang

Weakly-Supervised Semantic Segmentation (WSSS) methods with image-level labels generally train a classification network to generate the Class Activation Maps (CAMs) as the initial coarse segmentation labels. However, current WSSS methods…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Lixiang Ru , Bo Du , Yibing Zhan , Chen Wu

Recently, increasing efforts have been focused on Weakly Supervised Scene Graph Generation (WSSGG). The mainstream solution for WSSGG typically follows the same pipeline: they first align text entities in the weak image-level supervisions…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Xingchen Li , Long Chen , Wenbo Ma , Yi Yang , Jun Xiao

Image-level weakly supervised semantic segmentation (WSSS) is a fundamental yet challenging computer vision task facilitating scene understanding and automatic driving. Most existing methods resort to classification-based Class Activation…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Jie Qin , Jie Wu , Xuefeng Xiao , Lujun Li , Xingang Wang

In this paper, we propose a new approach to applying point-level annotations for weakly-supervised panoptic segmentation. Instead of the dense pixel-level labels used by fully supervised methods, point-level labels only provide a single…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Junsong Fan , Zhaoxiang Zhang , Tieniu Tan

Recent self-training techniques have shown notable improvements in unsupervised domain adaptation for 3D object detection (3D UDA). These techniques typically select pseudo labels, i.e., 3D boxes, to supervise models for the target domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Zhanwei Zhang , Minghao Chen , Shuai Xiao , Liang Peng , Hengjia Li , Binbin Lin , Ping Li , Wenxiao Wang , Boxi Wu , Deng Cai

Deep neural networks are gaining increasing popularity for the classic text classification task, due to their strong expressive power and less requirement for feature engineering. Despite such attractiveness, neural text classification…

Information Retrieval · Computer Science 2018-09-13 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Weakly supervised semantic segmentation (WSSS) approaches typically rely on class activation maps (CAMs) for initial seed generation, which often fail to capture global context due to limited supervision from image-level labels. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Soojin Jang , Jungmin Yun , Junehyoung Kwon , Eunju Lee , Youngbin Kim
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