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In the last few years, deep learning classifiers have shown promising results in image-based medical diagnosis. However, interpreting the outputs of these models remains a challenge. In cancer diagnosis, interpretability can be achieved by…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Kangning Liu , Yiqiu Shen , Nan Wu , Jakub Chłędowski , Carlos Fernandez-Granda , Krzysztof J. Geras

Class activation map (CAM) has been widely studied for visual explanation of the internal working mechanism of convolutional neural networks. The key of existing CAM-based methods is to compute effective weights to combine activation maps…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Hui Li , Zihao Li , Rui Ma , Tieru Wu

Convolutional Neural Networks (CNNs) are known for their ability to learn hierarchical structures, naturally developing detectors for objects, and semantic concepts within their deeper layers. Activation maps (AMs) reveal these saliency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Aray Karjauv , Sahin Albayrak

Online segmentation of laser-induced damage on large-aperture optics in high-power laser facilities is challenged by complicated damage morphology, uneven illumination and stray light interference. Fully supervised semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Yueyue Han , Yingyan Huang , Hangcheng Dong , Fengdong Chen , Fa Zeng , Zhitao Peng , Qihua Zhu , Guodong Liu

Class Activation Mapping (CAM) and its gradient-based variants (e.g., GradCAM) have become standard tools for explaining Convolutional Neural Network (CNN) predictions. However, these approaches typically focus on individual logits, while…

Machine Learning · Computer Science 2026-04-10 Jacob Piland , Chris Sweet , Adam Czajka

We investigate a principle way to progressively mine discriminative object regions using classification networks to address the weakly-supervised semantic segmentation problems. Classification networks are only responsive to small and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Yunchao Wei , Jiashi Feng , Xiaodan Liang , Ming-Ming Cheng , Yao Zhao , Shuicheng Yan

In this study, the effects of different class labels created as a result of multiple conceptual meanings on localization using Weakly Supervised Learning presented on Car Dataset. In addition, the generated labels are included in the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Cenk Bircanoglu

Segmenting and recognizing diverse object parts is crucial in computer vision and robotics. Despite significant progress in object segmentation, part-level segmentation remains underexplored due to complex boundaries and scarce annotated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xinjian Wu , Ruisong Zhang , Jie Qin , Shijie Ma , Cheng-Lin Liu

Achieving high-quality semantic segmentation predictions using only image-level labels enables a new level of real-world applicability. Although state-of-the-art networks deliver reliable predictions, the amount of handcrafted pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Erik Ostrowski , Bharath Srinivas Prabakaran , Muhammad Shafique

While training models and labeling data are resource-intensive, a wealth of pre-trained models and unlabeled data exists. To effectively utilize these resources, we present an approach to actively select pre-trained models while minimizing…

Machine Learning · Computer Science 2025-02-11 Xuefeng Liu , Fangfang Xia , Rick L. Stevens , Yuxin Chen

Weakly supervised semantic segmentation and localiza- tion have a problem of focusing only on the most important parts of an image since they use only image-level annota- tions. In this paper, we solve this problem fundamentally via…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Dahun Kim , Donghyeon Cho , Donggeun Yoo , In So Kweon

Previous weakly-supervised object localization (WSOL) methods aim to expand activation map discriminative areas to cover the whole objects, yet neglect two inherent challenges when relying solely on image-level labels. First, the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Feifei Shao , Yawei Luo , Fei Gao , Yi Yang , Jun Xiao

Class Activation Mapping (CAM) methods are widely used to visualize neural network decisions, yet their underlying mechanisms remain incompletely understood. To enhance the understanding of CAM methods and improve their explainability, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Huaiguang Cai

Recent advancements in skin lesion classification models have significantly improved accuracy, with some models even surpassing dermatologists' diagnostic performance. However, in medical practice, distrust in AI models remains a challenge.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Kuniko Paxton , Koorosh Aslansefat , Amila Akagić , Dhavalkumar Thakker , Yiannis Papadopoulos

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,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Guannan Zhao , Bo Zhou , Kaiwen Wang , Rui Jiang , Min Xu

To visualize the regions of interest that classifiers base their decisions on, different Class Activation Mapping (CAM) methods have been developed. However, all of these techniques target categorical classifiers only, though most…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Xinyi Zhang , Johanna Sophie Bieri , Manuel Günther

Weakly-supervised semantic segmentation (WSSS) using image-level labels has recently attracted much attention for reducing annotation costs. Existing WSSS methods utilize localization maps from the classification network to generate pseudo…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Beomyoung Kim , Sangeun Han , Junmo Kim

Existing saliency-guided training approaches improve model generalization by incorporating a loss term that compares the model's class activation map (CAM) for a sample's true-class ({\it i.e.}, correct-label class) against a human…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Jacob Piland , Chris Sweet , Adam Czajka

Weakly supervised instance segmentation using only bounding box annotations has recently attracted much research attention. Most of the current efforts leverage low-level image features as extra supervision without explicitly exploiting the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Ruihuang Li , Chenhang He , Yabin Zhang , Shuai Li , Liyi Chen , Lei Zhang

Few-shot learning (FSL) aims to learn novel visual categories from very few samples, which is a challenging problem in real-world applications. Many methods of few-shot classification work well on general images to learn global…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Xiaojian He , Jinfu Lin , Junming Shen