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Related papers: Bayesian Active Learning for Semantic Segmentation

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Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

Semi-supervised semantic segmentation methods leverage unlabeled data by pseudo-labeling them. Thus the success of these methods hinges on the reliablility of the pseudo-labels. Existing methods mostly choose high-confidence pixels in an…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Prantik Howlader , Hieu Le , Dimitris Samaras

The success of existing salient object detection models relies on a large pixel-wise labeled training dataset, which is time-consuming and expensive to obtain. We study semi-supervised salient object detection, with access to a small number…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Jiawei Liu , Jing Zhang , Nick Barnes

We present a novel region based active learning method for semantic image segmentation, called MetaBox+. For acquisition, we train a meta regression model to estimate the segment-wise Intersection over Union (IoU) of each predicted segment…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Pascal Colling , Lutz Roese-Koerner , Hanno Gottschalk , Matthias Rottmann

Active learning focuses on choosing a subset of unlabeled data to be labeled. However, most such methods assume that a large subset of the data can be annotated. We are interested in low-budget active learning where only a small subset…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Kossar Pourahmadi , Parsa Nooralinejad , Hamed Pirsiavash

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

Semi-supervised semantic segmentation involves assigning pixel-wise labels to unlabeled images at training time. This is useful in a wide range of real-world applications where collecting pixel-wise labels is not feasible in time or cost.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Jianfeng Wang , Daniela Massiceti , Xiaolin Hu , Vladimir Pavlovic , Thomas Lukasiewicz

For best performance, today's semantic segmentation methods use large and carefully labeled datasets, requiring expensive annotation budgets. In this work, we show that coarse annotation is a low-cost but highly effective alternative for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Anurag Das , Yongqin Xian , Yang He , Zeynep Akata , Bernt Schiele

The performance of deep learning based semantic segmentation models heavily depends on sufficient data with careful annotations. However, even the largest public datasets only provide samples with pixel-level annotations for rather limited…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Huaxin Xiao , Yunchao Wei , Yu Liu , Maojun Zhang , Jiashi Feng

Utilizing uniformly distributed sparse annotations, weakly supervised learning alleviates the heavy reliance on fine-grained annotations in point cloud semantic segmentation tasks. However, few works discuss the inhomogeneity of sparse…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Zhiyi Pan , Nan Zhang , Wei Gao , Shan Liu , Ge Li

Assigning a label to each pixel in an image, namely semantic segmentation, has been an important task in computer vision, and has applications in autonomous driving, robotic navigation, localization, and scene understanding. Fully…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Sercan Türkmen , Janne Heikkilä

To address the annotation scarcity issue in some cases of semantic segmentation, there have been a few attempts to develop the segmentation model in the few-shot learning paradigm. However, most existing methods only focus on the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Pinzhuo Tian , Zhangkai Wu , Lei Qi , Lei Wang , Yinghuan Shi , Yang Gao

Weakly supervised semantic segmentation (WSSS) based on image-level labels is challenging since it is hard to obtain complete semantic regions. To address this issue, we propose a self-training method that utilizes fused multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Guoqing Yang , Chuang Zhu , Yu Zhang

Active learning for classification seeks to reduce the cost of labeling samples by finding unlabeled examples about which the current model is least certain and sending them to an annotator/expert to label. Bayesian theory can provide a…

Cryptography and Security · Computer Science 2025-07-08 Ahmed Bensaoud , Jugal Kalita

Distance metric learning is an important component for many tasks, such as statistical classification and content-based image retrieval. Existing approaches for learning distance metrics from pairwise constraints typically suffer from two…

Machine Learning · Computer Science 2012-06-26 Liu Yang , Rong Jin , Rahul Sukthankar

The low-level details and high-level semantics are both essential to the semantic segmentation task. However, to speed up the model inference, current approaches almost always sacrifice the low-level details, which leads to a considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Changqian Yu , Changxin Gao , Jingbo Wang , Gang Yu , Chunhua Shen , Nong Sang

While learning from synthetic training data has recently gained an increased attention, in real-world robotic applications, there are still performance deficiencies due to the so-called Sim-to-Real gap. In practice, this gap is hard to…

Robotics · Computer Science 2022-08-02 Jianxiang Feng , Jongseok Lee , Maximilian Durner , Rudolph Triebel

Weakly-supervised semantic segmentation is a challenging task as no pixel-wise label information is provided for training. Recent methods have exploited classification networks to localize objects by selecting regions with strong response.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-20 Xiang Wang , Sifei Liu , Huimin Ma , Ming-Hsuan Yang

Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Despite the great progress made by deep CNNs in image semantic segmentation, they typically require a large number of densely-annotated images for training and are difficult to generalize to unseen object categories. Few-shot segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Kaixin Wang , Jun Hao Liew , Yingtian Zou , Daquan Zhou , Jiashi Feng