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Weakly supervised semantic segmentation is a challenging task as it only takes image-level information as supervision for training but produces pixel-level predictions for testing. To address such a challenging task, most recent…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Bingfeng Zhang , Jimin Xiao , Yunchao Wei , Mingjie Sun , Kaizhu Huang

This paper proposes a novel weakly-supervised semantic segmentation method using image-level label only. The class-specific activation maps from the well-trained classifiers are used as cues to train a segmentation network. The well-known…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Ting Sun , Lei Tai , Zhihan Gao , Ming Liu , Dit-Yan Yeung

Deep convolutional networks have achieved the state-of-the-art for semantic image segmentation tasks. However, training these networks requires access to densely labeled images, which are known to be very expensive to obtain. On the other…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Gaurav Pandey , Ambedkar Dukkipati

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

In this paper we introduce a novel method for segmentation that can benefit from general semantics of Convolutional Neural Network (CNN). Our segmentation proposes visually and semantically coherent image segments. We use binary encoding of…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Mahdyar Ravanbakhsh , Hossein Mousavi , Moin Nabi , Lucio Marcenaro , Carlo Regazzoni

Along with the breakthrough of convolutional neural networks, learning-based segmentation has emerged in many research works. Most of them are based on supervised learning, requiring plenty of annotated data; however, to support…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Junhuan Yang , Yi Sheng , Yuzhou Zhang , Weiwen Jiang , Lei Yang

We are interested in inferring object segmentation by leveraging only object class information, and by considering only minimal priors on the object segmentation task. This problem could be viewed as a kind of weakly supervised segmentation…

计算机视觉与模式识别 · 计算机科学 2015-04-27 Pedro O. Pinheiro , Ronan Collobert

Delineating the associations between images and a vector of covariates is of central interest in medical imaging studies. To tackle this problem of image response regression, we propose a novel nonparametric approach in the framework of…

机器学习 · 统计学 2022-03-04 Daiwei Zhang , Lexin Li , Chandra Sripada , Jian Kang

Image segmentation, one of the most critical vision tasks, has been studied for many years. Most of the early algorithms are unsupervised methods, which use hand-crafted features to divide the image into many regions. Recently, owing to the…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Qinghong Lin , Weichan Zhong , Jianglin Lu

We propose a novel method for unsupervised semantic image segmentation based on mutual information maximization between local and global high-level image features. The core idea of our work is to leverage recent progress in self-supervised…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Robert Harb , Patrick Knöbelreiter

Weakly-supervised image segmentation is an important task in computer vision. A key problem is how to obtain high quality objects location from image-level category. Classification activation mapping is a common method which can be used to…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Fengdong Sun , Wenhui Li

Subspace clustering is a powerful unsupervised approach for hyperspectral image (HSI) analysis, but its high computational and memory costs limit scalability. Superpixel segmentation can improve efficiency by reducing the number of data…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pizurica

Medical image segmentation methods are generally designed as fully-supervised to guarantee model performance, which require a significant amount of expert annotated samples that are high-cost and laborious. Semi-supervised image…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Xiangyu Zhao , Zengxin Qi , Sheng Wang , Qian Wang , Xuehai Wu , Ying Mao , Lichi Zhang

Image segmentation needs both local boundary position information and global object context information. The performance of the recent state-of-the-art method, fully convolutional networks, reaches a bottleneck due to the neural network…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Zhenxin Wang , Sayan Sarcar , Jingxin Liu , Yilin Zheng , Xiangshi Ren

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Fatemehsadat Saleh , Mohammad Sadegh Ali Akbarian , Mathieu Salzmann , Lars Petersson , Stephen Gould , Jose M. Alvarez

Weakly-supervised segmentation with label-efficient sparse annotations has attracted increasing research attention to reduce the cost of laborious pixel-wise labeling process, while the pairwise affinity modeling techniques play an…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Wentong Li , Yuqian Yuan , Song Wang , Wenyu Liu , Dongqi Tang , Jian Liu , Jianke Zhu , Lei Zhang

The task of segmentation of multispectral images, which are images with numerous channels or bands, each capturing a specific range of wavelengths of electromagnetic radiation, has been previously explored in contexts with large amounts of…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Dilith Jayakody , Thanuja Ambegoda

Covariance and histogram image descriptors provide an effective way to capture information about images. Both excel when used in combination with special purpose distance metrics. For covariance descriptors these metrics measure the…

机器学习 · 统计学 2015-05-26 Matt J. Kusner , Nicholas I. Kolkin , Stephen Tyree , Kilian Q. Weinberger

Despite the superior performance of Deep Learning (DL) on numerous segmentation tasks, the DL-based approaches are notoriously overconfident about their prediction with highly polarized label probability. This is often not desirable for…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Sungmin Hong , Anna K. Bonkhoff , Andrew Hoopes , Martin Bretzner , Markus D. Schirmer , Anne-Katrin Giese , Adrian V. Dalca , Polina Golland , Natalia S. Rost

Segmentation of tumors in brain MRI images is a challenging task, where most recent methods demand large volumes of data with pixel-level annotations, which are generally costly to obtain. In contrast, image-level annotations, where only…

图像与视频处理 · 电气工程与系统科学 2019-11-07 Sergey Pavlov , Alexey Artemov , Maksim Sharaev , Alexander Bernstein , Evgeny Burnaev