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Generative data augmentation with latent diffusion models is a promising strategy for addressing class imbalance in medical imaging, yet current approaches focus on perceptual fidelity and domain-specific autoencoder fine-tuning while…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mischa Dombrowski , Felix Nützel , Bernhard Kainz

Visual counterfactual explainers (VCEs) are a straightforward and promising approach to enhancing the transparency of image classifiers. VCEs complement other types of explanations, such as feature attribution, by revealing the specific…

机器学习 · 计算机科学 2026-01-13 Sidney Bender , Jan Herrmann , Klaus-Robert Müller , Grégoire Montavon

While AI algorithms have shown remarkable success in various fields, their lack of transparency hinders their application to real-life tasks. Although explanations targeted at non-experts are necessary for user trust and human-AI…

人工智能 · 计算机科学 2024-02-12 Jasmina Gajcin , Ivana Dusparic

This study explores the use of deep learning techniques for analyzing lung Computed Tomography (CT) images. Classic deep learning approaches face challenges with varying slice counts and resolutions in CT images, a diversity arising from…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Yang Fan Chiang , Yi-Shiuan Chou , Chih-Yu Jiang , Shen-Chieh Tai , Chi-Han Tsai

The availability of affordable and portable depth sensors has made scanning objects and people simpler than ever. However, dealing with occlusions and missing parts is still a significant challenge. The problem of reconstructing a (possibly…

计算机视觉与模式识别 · 计算机科学 2018-04-05 Or Litany , Alex Bronstein , Michael Bronstein , Ameesh Makadia

Deep generative models can emulate the perceptual properties of complex image datasets, providing a latent representation of the data. However, manipulating such representation to perform meaningful and controllable transformations in the…

机器学习 · 计算机科学 2019-12-13 Michel Besserve , Arash Mehrjou , Rémy Sun , Bernhard Schölkopf

Understanding the decision processes of deep vision models is essential for their safe and trustworthy deployment in real-world settings. Existing explainability approaches, such as saliency maps or concept-based analyses, often suffer from…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Éloi Zablocki , Valentin Gerard , Amaia Cardiel , Eric Gaussier , Matthieu Cord , Eduardo Valle

Leveraging StyleGAN's expressivity and its disentangled latent codes, existing methods can achieve realistic editing of different visual attributes such as age and gender of facial images. An intriguing yet challenging problem arises: Can…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Yingchen Yu , Fangneng Zhan , Rongliang Wu , Jiahui Zhang , Shijian Lu , Miaomiao Cui , Xuansong Xie , Xian-Sheng Hua , Chunyan Miao

Foundation models trained on web-scraped datasets propagate societal biases to downstream tasks. While counterfactual generation enables bias analysis, existing methods introduce artifacts by modifying contextual elements like clothing and…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Kirill Sirotkin , Marcos Escudero-Viñolo , Pablo Carballeira , Mayug Maniparambil , Catarina Barata , Noel E. O'Connor

Direct automatic segmentation of objects from 3D medical imaging, such as magnetic resonance (MR) imaging, is challenging as it often involves accurately identifying a number of individual objects with complex geometries within a large…

图像与视频处理 · 电气工程与系统科学 2021-09-23 Wei Dai , Boyeong Woo , Siyu Liu , Matthew Marques , Craig B. Engstrom , Peter B. Greer , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Generating reports for computed tomography (CT) images is a challenging task, while similar to existing studies for medical image report generation, yet has its unique characteristics, such as spatial encoding of multiple images, alignment…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Yuanhe Tian , Lei Mao , Yan Song

In this paper titled A Symbolic Approach for Counterfactual Explanations we propose a novel symbolic approach to provide counterfactual explanations for a classifier predictions. Contrary to most explanation approaches where the goal is to…

人工智能 · 计算机科学 2022-06-22 Ryma Boumazouza , Fahima Cheikh-Alili , Bertrand Mazure , Karim Tabia

One well motivated explanation method for classifiers leverages counterfactuals which are hypothetical events identical to real observations in all aspects except for one feature. Constructing such counterfactual poses specific challenges…

机器学习 · 计算机科学 2024-09-12 Pirmin Lemberger , Antoine Saillenfest

The manifestation of symptoms associated with lung diseases can vary in different depths for individual patients, highlighting the significance of 3D information in CT scans for medical image classification. While Vision Transformer has…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Zihao Jin , Yingying Fang , Jiahao Huang , Caiwen Xu , Simon Walsh , Guang Yang

Highly realistic AI generated face forgeries known as deepfakes have raised serious social concerns. Although DNN-based face forgery detection models have achieved good performance, they are vulnerable to latest generative methods that have…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Yang Li , Songlin Yang , Wei Wang , Ziwen He , Bo Peng , Jing Dong

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

图像与视频处理 · 电气工程与系统科学 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Deep neural networks (DNNs) can accurately decode task-related information from brain activations. However, because of the nonlinearity of the DNN, the decisions made by DNNs are hardly interpretable. One of the promising approaches for…

神经元与认知 · 定量生物学 2021-10-29 Teppei Matsui , Masato Taki , Trung Quang Pham , Junichi Chikazoe , Koji Jimura

Shortcut learning is when a model -- e.g. a cardiac disease classifier -- exploits correlations between the target label and a spurious shortcut feature, e.g. a pacemaker, to predict the target label based on the shortcut rather than real…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Nina Weng , Paraskevas Pegios , Eike Petersen , Aasa Feragen , Siavash Bigdeli

Counterfactual explanations (CFEs) provide human-centric interpretability by identifying the minimal, actionable changes required to alter a machine learning model's prediction. Therefore, CFs can be used as (i) interventions for…

Computed tomography (CT) imaging could be very practical for diagnosing various diseases. However, the nature of the CT images is even more diverse since the resolution and number of the slices of a CT scan are determined by the machine and…

图像与视频处理 · 电气工程与系统科学 2022-07-11 Chih-Chung Hsu , Chi-Han Tsai , Guan-Lin Chen , Sin-Di Ma , Shen-Chieh Tai