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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

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

Weakly-Supervised Video Object Localization (WSVOL) involves localizing an object in videos using only video-level labels, also referred to as tags. State-of-the-art WSVOL methods like Temporal CAM (TCAM) rely on class activation mapping…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Shakeeb Murtaza , Marco Pedersoli , Aydin Sarraf , Eric Granger

The video action segmentation task is regularly explored under weaker forms of supervision, such as transcript supervision, where a list of actions is easier to obtain than dense frame-wise labels. In this formulation, the task presents…

计算机视觉与模式识别 · 计算机科学 2022-01-24 John Ridley , Huseyin Coskun , David Joseph Tan , Nassir Navab , Federico Tombari

Generating precise class-aware pseudo ground-truths, a.k.a, class activation maps (CAMs), is essential for weakly-supervised semantic segmentation. The original CAM method usually produces incomplete and inaccurate localization maps. To…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Jinlong Li , Zequn Jie , Xu Wang , Xiaolin Wei , Lin Ma

Class Activation Mapping (CAM) methods are widely applied in weakly supervised learning tasks due to their ability to highlight object regions. However, conventional CAM methods highlight only the most discriminative regions of the target.…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Qingdong Cai , Charith Abhayaratne

This paper studies the problem of learning semantic segmentation from image-level supervision only. Current popular solutions leverage object localization maps from classifiers as supervision signals, and struggle to make the localization…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Guolei Sun , Wenguan Wang , Jifeng Dai , Luc Van Gool

Weakly supervised semantic segmentation receives much research attention since it alleviates the need to obtain a large amount of dense pixel-wise ground-truth annotations for the training images. Compared with other forms of weak…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

Image-level weakly supervised semantic segmentation is a challenging task that has been deeply studied in recent years. Most of the common solutions exploit class activation map (CAM) to locate object regions. However, such response maps…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Yukun Su , Jingliang Deng , Zonghan Li

Convolution neural networks (CNNs) have succeeded in compressive image sensing. However, due to the inductive bias of locality and weight sharing, the convolution operations demonstrate the intrinsic limitations in modeling the long-range…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Dongjie Ye , Zhangkai Ni , Hanli Wang , Jian Zhang , Shiqi Wang , Sam Kwong

Weakly supervised object localization is a challenging task which aims to localize objects with coarse annotations such as image categories. Existing deep network approaches are mainly based on class activation map, which focuses on…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Hui Su , Yue Ye , Zhiwei Chen , Mingli Song , Lechao Cheng

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

In recent years, transformer-based methods have achieved remarkable progress in medical image segmentation due to their superior ability to capture long-range dependencies. However, these methods typically suffer from two major limitations.…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zunhui Xia , Hongxing Li , Libin Lan

Weakly Supervised Semantic Segmentation (WSSS) with image-level labels has long been suffering from fragmentary object regions led by Class Activation Map (CAM), which is incapable of generating fine-grained masks for semantic segmentation.…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Jiren Mai , Fei Zhang , Junjie Ye , Marcus Kalander , Xian Zhang , WanKou Yang , Tongliang Liu , Bo Han

Recently, deep learning with Convolutional Neural Networks (CNNs) and Transformers has shown encouraging results in fully supervised medical image segmentation. However, it is still challenging for them to achieve good performance with…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Xiangde Luo , Minhao Hu , Tao Song , Guotai Wang , Shaoting Zhang

Learned image compression methods have exhibited superior rate-distortion performance than classical image compression standards. Most existing learned image compression models are based on Convolutional Neural Networks (CNNs). Despite…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Renjie Zou , Chunfeng Song , Zhaoxiang Zhang

Weakly-Supervised Semantic Segmentation (WSSS) using image-level labels typically utilizes Class Activation Map (CAM) to generate the pseudo labels. Limited by the local structure perception of CNN, CAM usually cannot identify the integral…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Lixiang Ru , Heliang Zheng , Yibing Zhan , Bo Du

Semantic segmentation of remotely sensed urban scene images is required in a wide range of practical applications, such as land cover mapping, urban change detection, environmental protection, and economic assessment.Driven by rapid…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Libo Wang , Rui Li , Ce Zhang , Shenghui Fang , Chenxi Duan , Xiaoliang Meng , Peter M. Atkinson

The convolutional neural network (CNN) has become a powerful tool for various biomedical image analysis tasks, but there is a lack of visual explanation for the machinery of CNNs. In this paper, we present a novel algorithm,…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Guannan Zhao , Bo Zhou , Kaiwen Wang , Rui Jiang , Min Xu

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