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Related papers: Informative Class Activation Maps

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In a real-world setting, visual recognition systems can be brought to make predictions for images belonging to previously unknown class labels. In order to make semantically meaningful predictions for such inputs, we propose a two-step…

Machine Learning · Computer Science 2017-08-29 Vincent P. A. Lonij , Ambrish Rawat , Maria-Irina Nicolae

This paper proposes a new active learning method for semantic segmentation. The core of our method lies in a new annotation query design. It samples informative local image regions (e.g., superpixels), and for each of such regions, asks an…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Sehyun Hwang , Sohyun Lee , Hoyoung Kim , Minhyeon Oh , Jungseul Ok , Suha Kwak

Deep learning techniques have shown great potential in medical image processing, particularly through accurate and reliable image segmentation on magnetic resonance imaging (MRI) scans or computed tomography (CT) scans, which allow the…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Yang Liu , Ersi Zhang , Lulu Xu , Chufan Xiao , Xiaoyun Zhong , Lijin Lian , Fang Li , Bin Jiang , Yuhan Dong , Lan Ma , Qiming Huang , Ming Xu , Yongbing Zhang , Dongmei Yu , Chenggang Yan , Peiwu Qin

Visual explanation maps enhance the trustworthiness of decisions made by deep learning models and offer valuable guidance for developing new algorithms in image recognition tasks. Class activation maps (CAM) and their variants (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Yi Liao , Ugochukwu Ejike Akpudo , Jue Zhang , Yongsheng Gao , Jun Zhou , Wenyi Zeng , Weichuan Zhang

Semi-supervised image classification, leveraging pseudo supervision and consistency regularization, has demonstrated remarkable success. However, the ongoing challenge lies in fully exploiting the potential of unlabeled data. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Qi Han , Zhibo Tian , Chengwei Xia , Kun Zhan

Active learning aims to reduce the labeling effort that is required to train algorithms by learning an acquisition function selecting the most relevant data for which a label should be requested from a large unlabeled data pool. Active…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Javad Zolfaghari Bengar , Joost van de Weijer , Laura Lopez Fuentes , Bogdan Raducanu

Class Activation Map (CAM) has emerged as a popular tool for weakly supervised semantic segmentation (WSSS), allowing the localization of object regions in an image using only image-level labels. However, existing CAM methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Songhe Deng , Wei Zhuo , Jinheng Xie , Linlin Shen

Nowadays, deep neural networks for object detection in images are very prevalent. However, due to the complexity of these networks, users find it hard to understand why these objects are detected by models. We proposed Gaussian Class…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Quoc Khanh Nguyen , Truong Thanh Hung Nguyen , Vo Thanh Khang Nguyen , Van Binh Truong , Quoc Hung Cao

Classification is a major tool of statistics and machine learning. A classification method first processes a training set of objects with given classes (labels), with the goal of afterward assigning new objects to one of these classes. When…

Machine Learning · Statistics 2024-07-08 Jakob Raymaekers , Peter J. Rousseeuw , Mia Hubert

Labeling each instance in a large dataset is extremely labor- and time- consuming . One way to alleviate this problem is active learning, which aims to which discover the most valuable instances for labeling to construct a powerful…

Machine Learning · Computer Science 2018-03-07 Xi Fang , Zengmao Wang , Xinyao Tang , Chen Wu

Understanding the decisions of deep learning (DL) models is essential for the acceptance of DL to risk-sensitive applications. Although methods, like class activation maps (CAMs), give a glimpse into the black box, they do miss some crucial…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Yanli Li , Tahereh Hassanzadeh , Denis P. Shamonin , Monique Reijnierse , Annette H. M. van der Helm-van Mil , Berend C. Stoel

Extracting class activation maps (CAM) is arguably the most standard step of generating pseudo masks for weakly-supervised semantic segmentation (WSSS). Yet, we find that the crux of the unsatisfactory pseudo masks is the binary…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Zhaozheng Chen , Tan Wang , Xiongwei Wu , Xian-Sheng Hua , Hanwang Zhang , Qianru Sun

Active learning aims to develop label-efficient algorithms by querying the most informative samples to be labeled by an oracle. The design of efficient training methods that require fewer labels is an important research direction that…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Ali Mottaghi , Serena Yeung

We propose a new approach to interactive full-image semantic segmentation which enables quickly collecting training data for new datasets with previously unseen semantic classes (A demo is available at https://youtu.be/yUk8D5gEX-o). We…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Mykhaylo Andriluka , Stefano Pellegrini , Stefan Popov , Vittorio Ferrari

Joint representation of geometry, colour and semantics using a 3D neural field enables accurate dense labelling from ultra-sparse interactions as a user reconstructs a scene in real-time using a handheld RGB-D sensor. Our iLabel system…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shuaifeng Zhi , Edgar Sucar , Andre Mouton , Iain Haughton , Tristan Laidlow , Andrew J. Davison

Obtaining object response maps is one important step to achieve weakly-supervised semantic segmentation using image-level labels. However, existing methods rely on the classification task, which could result in a response map only attending…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

Weakly supervised object localization (WSOL) relaxes the requirement of dense annotations for object localization by using image-level classification masks to supervise its learning process. However, current WSOL methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Lei Zhu , Qi She , Qian Chen , Xiangxi Meng , Mufeng Geng , Lujia Jin , Zhe Jiang , Bin Qiu , Yunfei You , Yibao Zhang , Qiushi Ren , Yanye Lu

Semantic segmentation tasks based on weakly supervised condition have been put forward to achieve a lightweight labeling process. For simple images that only include a few categories, researches based on image-level annotations have…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Xi Li , Huimin Ma , Sheng Yi , Yanxian Chen

Although existing semantic segmentation approaches achieve impressive results, they still struggle to update their models incrementally as new categories are uncovered. Furthermore, pixel-by-pixel annotations are expensive and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Fabio Cermelli , Dario Fontanel , Antonio Tavera , Marco Ciccone , Barbara Caputo

Automatically understanding the contents of an image is a highly relevant problem in practice. In e-commerce and social media settings, for example, a common problem is to automatically categorize user-provided pictures. Nowadays, a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Koby Bibas , Oren Sar Shalom , Dietmar Jannach