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Weakly supervised object localization has recently attracted attention since it aims to identify both class labels and locations of objects by using image-level labels. Most previous methods utilize the activation map corresponding to the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Seunghan Yang , Yoonhyung Kim , Youngeun Kim , Changick Kim

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

Accurate segmentation of the fetal brain from Magnetic Resonance Image (MRI) is important for prenatal assessment of fetal development. Although deep learning has shown the potential to achieve this task, it requires a large fine annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jia Fu , Tao Lu , Shaoting Zhang , Guotai Wang

Increasing demands for understanding the internal behavior of convolutional neural networks (CNNs) have led to remarkable improvements in explanation methods. Particularly, several class activation mapping (CAM) based methods, which…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Hyungsik Jung , Youngrock Oh

Maximizing the separation between classes constitutes a well-known inductive bias in machine learning and a pillar of many traditional algorithms. By default, deep networks are not equipped with this inductive bias and therefore many…

Machine Learning · Computer Science 2022-10-25 Tejaswi Kasarla , Gertjan J. Burghouts , Max van Spengler , Elise van der Pol , Rita Cucchiara , Pascal Mettes

Convolutional neural networks (CNNs) are widely used for high-stakes applications like medicine, often surpassing human performance. However, most explanation methods rely on post-hoc attribution, approximating the decision-making process…

Machine Learning · Computer Science 2026-02-23 Kerol Djoumessi , Philipp Berens

Weakly supervised object localization aims to find a target object region in a given image with only weak supervision, such as image-level labels. Most existing methods use a class activation map (CAM) to generate a localization map;…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Eunji Kim , Siwon Kim , Jungbeom Lee , Hyunwoo Kim , Sungroh Yoon

In this work, we show that saturating output activation functions, such as the softmax, impede learning on a number of standard classification tasks. Moreover, we present results showing that the utility of softmax does not stem from the…

Machine Learning · Computer Science 2017-07-14 Anders Oland , Aayush Bansal , Roger B. Dannenberg , Bhiksha Raj

We present Smooth Grad-CAM++, a technique which combines two recent techniques: SMOOTHGRAD and Grad-CAM++. Smooth Grad-CAM++ has the capability of either visualizing a layer, subset of feature maps, or subset of neurons within a feature map…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Daniel Omeiza

Recent advances in fine-grained recognition utilize attention maps to localize objects of interest. Although there are many ways to generate attention maps, most of them rely on sophisticated loss functions or complex training processes. In…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Wei Shen , Rujie Liu

Extracting class activation maps (CAM) from a classification model often results in poor coverage on foreground objects, i.e., only the discriminative region (e.g., the "head" of "sheep") is recognized and the rest (e.g., the "leg" of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zhaozheng Chen , Qianru Sun

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

The class activation mapping, or CAM, has been the cornerstone of feature attribution methods for multiple vision tasks. Its simplicity and effectiveness have led to wide applications in the explanation of visual predictions and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Jae Myung Kim , Junsuk Choe , Zeynep Akata , Seong Joon Oh

Gaining insight into how deep convolutional neural network models perform image classification and how to explain their outputs have been a concern to computer vision researchers and decision makers. These deep models are often referred to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Daniel Omeiza , Skyler Speakman , Celia Cintas , Komminist Weldermariam

Scene understanding and semantic segmentation are at the core of many computer vision tasks, many of which, involve interacting with humans in potentially dangerous ways. It is therefore paramount that techniques for principled design of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Charles Lehman , Dogancan Temel , Ghassan AlRegib

Local learning offers an alternative to traditional end-to-end back-propagation in deep neural networks, significantly reducing GPU memory consumption. Although it has shown promise in image classification tasks, its extension to other…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Feiyu Zhu , Yuming Zhang , Xiuyuan Guo , Hengyu Shi , Junfeng Luo , Junhao Su , Jialin Gao

Class Activation Mapping (CAM) is a powerful technique used to understand the decision making of Convolutional Neural Network (CNN) in computer vision. Recently, there have been attempts not only to generate better visual explanations, but…

Machine Learning · Computer Science 2021-05-04 Kwang Hee Lee , Chaewon Park , Junghyun Oh , Nojun Kwak

In this paper, we propose a conceptually simple and geometrically interpretable objective function, i.e. additive margin Softmax (AM-Softmax), for deep face verification. In general, the face verification task can be viewed as a metric…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Feng Wang , Weiyang Liu , Haijun Liu , Jian Cheng

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

Real-world visual recognition problems often exhibit long-tailed distributions, where the amount of data for learning in different categories shows significant imbalance. Standard classification models learned on such data distribution…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Chi Zhang , Guosheng Lin , Lvlong Lai , Henghui Ding , Qingyao Wu