中文
相关论文

相关论文: Class Re-Activation Maps for Weakly-Supervised Sem…

200 篇论文

In this paper, we propose an efficient saliency map generation method, called Group score-weighted Class Activation Mapping (Group-CAM), which adopts the "split-transform-merge" strategy to generate saliency maps. Specifically, for an input…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Qinglong Zhang , Lu Rao , Yubin Yang

Weakly supervised semantic segmentation (WSSS) has recently attracted considerable attention because it requires fewer annotations than fully supervised approaches, making it especially promising for large-scale image segmentation tasks.…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Lechao Cheng , Zerun Liu , Jingxuan He , Chaowei Fang , Dingwen Zhang , Meng Wang

The pixel-wise dense prediction tasks based on weakly supervisions currently use Class Attention Maps (CAM) to generate pseudo masks as ground-truth. However, the existing methods typically depend on the painstaking training modules, which…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Yanpeng Sun , Zechao Li

Most existing weakly supervised semantic segmentation (WSSS) methods rely on Class Activation Mapping (CAM) to extract coarse class-specific localization maps using image-level labels. Prior works have commonly used an off-line heuristic…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Lian Xu , Mohammed Bennamoun , Farid Boussaid , Wanli Ouyang , Ferdous Sohel , Dan Xu

Class Activation Mapping (CAM) methods have recently gained much attention for weakly-supervised object localization (WSOL) tasks. They allow for CNN visualization and interpretation without training on fully annotated image datasets. CAM…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Soufiane Belharbi , Aydin Sarraf , Marco Pedersoli , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Compared with expensive pixel-wise annotations, image-level labels make it possible to learn semantic segmentation in a weakly-supervised manner. Within this pipeline, the class activation map (CAM) is obtained and further processed to…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Jiawei Liu , Jing Zhang , Yicong Hong , Nick Barnes

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…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Shun-Yi Pan , Cheng-You Lu , Shih-Po Lee , Wen-Hsiao Peng

Semantic segmentation requires dense pixel-level annotations, which are costly and time-consuming to acquire. To address this, we present SeSAM, a framework that uses a foundational segmentation model, i.e. Segment Anything Model (SAM),…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Anurag Das , Anna Kukleva , Xinting Hu , Yuki M. Asano , Bernt Schiele

Weakly-supervised image segmentation (WSIS) is a critical task in computer vision that relies on image-level class labels. Multi-stage training procedures have been widely used in existing WSIS approaches to obtain high-quality pseudo-masks…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Chunyan Wang , Dong Zhang , Rui Yan

In weakly-supervised semantic segmentation (WSSS) using only image-level class labels, a problem with CNN-based Class Activation Maps (CAM) is that they tend to activate the most discriminative local regions of objects. On the other hand,…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Izumi Fujimori , Masaki Oono , Masami Shishibori

With the rapid advancement of deep learning, computational pathology has made significant progress in cancer diagnosis and subtyping. Tissue segmentation is a core challenge, essential for prognosis and treatment decisions. Weakly…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Hongyi Wu , Hong Zhang

The collection of a high number of pixel-based labeled training samples for tree species identification is time consuming and costly in operational forestry applications. To address this problem, in this paper we investigate the…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Steve Ahlswede , Nimisha Thekke-Madam , Christian Schulz , Birgit Kleinschmit , Begüm Demir

It has been widely known that CAM (Class Activation Map) usually only activates discriminative object regions and falsely includes lots of object-related backgrounds. As only a fixed set of image-level object labels are available to the…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Jinheng Xie , Xianxu Hou , Kai Ye , Linlin Shen

Semantic segmentation is a challenging task in the absence of densely labelled data. Only relying on class activation maps (CAM) with image-level labels provides deficient segmentation supervision. Prior works thus consider pre-trained…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Lian Xu , Wanli Ouyang , Mohammed Bennamoun , Farid Boussaid , Ferdous Sohel , Dan Xu

Weakly supervised semantic segmentation (WSSS) with image-level labels is a challenging task. Mainstream approaches follow a multi-stage framework and suffer from high training costs. In this paper, we explore the potential of Contrastive…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Yuqi Lin , Minghao Chen , Wenxiao Wang , Boxi Wu , Ke Li , Binbin Lin , Haifeng Liu , Xiaofei He

Class activation maps are widely used for explaining deep neural networks. Due to its ability to highlight regions of interest, it has evolved in recent years as a key step in weakly supervised learning. A major limitation to the…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Hang-Cheng Dong , Yuhao Jiang , Yingyan Huang , Jingxiao Liao , Bingguo Liu , Dong Ye , Guodong Liu

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

Most weakly supervised semantic segmentation (WSSS) methods follow the pipeline that generates pseudo-masks initially and trains the segmentation model with the pseudo-masks in fully supervised manner after. However, we find some matters…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yi Li , Zhanghui Kuang , Liyang Liu , Yimin Chen , Wayne Zhang

Reliable classification and detection of certain medical conditions, in images, with state-of-the-art semantic segmentation networks, require vast amounts of pixel-wise annotation. However, the public availability of such datasets is…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Erik Ostrowski , Bharath Srinivas Prabakaran , Muhammad Shafique

Classification activation map (CAM), utilizing the classification structure to generate pixel-wise localization maps, is a crucial mechanism for weakly supervised object localization (WSOL). However, CAM directly uses the classifier trained…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Lei Zhu , Qian Chen , Lujia Jin , Yunfei You , Yanye Lu