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Point cloud semantic segmentation is a crucial task in 3D scene understanding. Existing methods mainly focus on employing a large number of annotated labels for supervised semantic segmentation. Nonetheless, manually labeling such large…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Mingmei Cheng , Le Hui , Jin Xie , Jian Yang

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…

计算机视觉与模式识别 · 计算机科学 2018-05-10 Huaxin Xiao , Yunchao Wei , Yu Liu , Maojun Zhang , Jiashi Feng

Recently, significant improvement has been made on semantic object segmentation due to the development of deep convolutional neural networks (DCNNs). Training such a DCNN usually relies on a large number of images with pixel-level…

计算机视觉与模式识别 · 计算机科学 2016-12-08 Yunchao Wei , Xiaodan Liang , Yunpeng Chen , Xiaohui Shen , Ming-Ming Cheng , Jiashi Feng , Yao Zhao , Shuicheng Yan

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…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

It is generally accepted that one of the critical parts of current vision algorithms based on deep learning and convolutional neural networks is the annotation of a sufficient number of images to achieve competitive performance. This is…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

Weakly supervised semantic segmentation has been a subject of increased interest due to the scarcity of fully annotated images. We introduce a new approach for solving weakly supervised semantic segmentation with deep Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Rania Briq , Michael Moeller , Juergen Gall

We propose an approach to discover class-specific pixels for the weakly-supervised semantic segmentation task. We show that properly combining saliency and attention maps allows us to obtain reliable cues capable of significantly boosting…

计算机视觉与模式识别 · 计算机科学 2018-08-17 Arslan Chaudhry , Puneet K. Dokania , Philip H. S. Torr

Weakly supervised semantic segmentation has attracted much research interest in recent years considering its advantage of low labeling cost. Most of the advanced algorithms follow the design principle that expands and constrains the seed…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

Point cloud analysis has received much attention recently; and segmentation is one of the most important tasks. The success of existing approaches is attributed to deep network design and large amount of labelled training data, where the…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Xun Xu , Gim Hee Lee

CNN visualization and interpretation methods, like class-activation maps (CAMs), are typically used to highlight the image regions linked to class predictions. These models allow to simultaneously classify images and extract class-dependent…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

In recent years, Convolutional Neural Networks (CNNs) have become the state-of-the-art method for biomedical image analysis. However, these networks are usually trained in a supervised manner, requiring large amounts of labelled training…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Nastassya Horlava , Alisa Mironenko , Sebastian Niehaus , Sebastian Wagner , Ingo Roeder , Nico Scherf

Weakly-supervised semantic segmentation (WSSS) with image-level labels has been widely studied to relieve the annotation burden of the traditional segmentation task. In this paper, we show that existing fully-annotated base categories can…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Siyuan Zhou , Li Niu , Jianlou Si , Chen Qian , Liqing Zhang

Semantic segmentation is a fundamental topic in computer vision. Several deep learning methods have been proposed for semantic segmentation with outstanding results. However, these models require a lot of densely annotated images. To…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Jhony H. Giraldo , Vincenzo Scarrica , Antonino Staiano , Francesco Camastra , Thierry Bouwmans

Image-level weakly supervised semantic segmentation is a challenging problem that has been deeply studied in recent years. Most of advanced solutions exploit class activation map (CAM). However, CAMs can hardly serve as the object mask due…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

Nuclei segmentation is a crucial task for whole slide image analysis in digital pathology. Generally, the segmentation performance of fully-supervised learning heavily depends on the amount and quality of the annotated data. However, it is…

图像与视频处理 · 电气工程与系统科学 2023-08-21 Yi Lin , Zhiyong Qu , Hao Chen , Zhongke Gao , Yuexiang Li , Lili Xia , Kai Ma , Yefeng Zheng , Kwang-Ting Cheng

Semantic segmentation is a core computer vision problem, but the high costs of data annotation have hindered its wide application. Weakly-Supervised Semantic Segmentation (WSSS) offers a cost-efficient workaround to extensive labeling in…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Elham Ravanbakhsh , Cheng Niu , Yongqing Liang , J. Ramanujam , Xin Li

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,…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Sukesh Adiga , Jose Dolz , Herve Lombaert

Existing methods for large-scale point cloud semantic segmentation require expensive, tedious and error-prone manual point-wise annotations. Intuitively, weakly supervised training is a direct solution to reduce the cost of labeling.…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Yachao Zhang , Zonghao Li , Yuan Xie , Yanyun Qu , Cuihua Li , Tao Mei

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…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Lingyan Ran , Yali Li , Guoqiang Liang , Yanning Zhang

Semantic segmentation aims to classify every pixel of an input image. Considering the difficulty of acquiring dense labels, researchers have recently been resorting to weak labels to alleviate the annotation burden of segmentation. However,…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Yazhou Yao , Tao Chen , Guosen Xie , Chuanyi Zhang , Fumin Shen , Qi Wu , Zhenmin Tang , Jian Zhang