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The insertion of deep learning in medical image analysis had lead to the development of state-of-the art strategies in several applications such a disease classification, as well as abnormality detection and segmentation. However, even the…

Image and Video Processing · Electrical Eng. & Systems 2022-02-24 Mauricio Orbes-Arteaga , Thomas Varsavsky , Lauge Sorensen , Mads Nielsen , Akshay Pai , Sebastien Ourselin , Marc Modat , M Jorge Cardoso

The fine-grained localization of clinicians in the operating room (OR) is a key component to design the new generation of OR support systems. Computer vision models for person pixel-based segmentation and body-keypoints detection are needed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Vinkle Srivastav , Afshin Gangi , Nicolas Padoy

Optimal Transport (OT) theory has seen an increasing amount of attention from the computer science community due to its potency and relevance in modeling and machine learning. It introduces means that serve as powerful ways to compare…

Machine Learning · Computer Science 2021-06-04 Luis Caicedo Torres , Luiz Manella Pereira , M. Hadi Amini

Optimal Transport (OT) theory investigates the cost-minimizing transport map that moves a source distribution to a target distribution. Recently, several approaches have emerged for learning the optimal transport map for a given cost…

Machine Learning · Computer Science 2025-04-01 Jaemoo Choi , Yongxin Chen , Jaewoong Choi

With recent advances in supervised machine learning for medical image analysis applications, the annotated medical image datasets of various domains are being shared extensively. Given that the annotation labelling requires medical…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Yuta Tokuoka , Shuji Suzuki , Yohei Sugawara

In real-world applications, it is important and desirable to learn a model that performs well on out-of-distribution (OOD) data. Recently, causality has become a powerful tool to tackle the OOD generalization problem, with the idea resting…

Machine Learning · Statistics 2022-03-25 Ruoyu Wang , Mingyang Yi , Zhitang Chen , Shengyu Zhu

This paper describes a novel paradigm that formalizes automatic piano transcription (APT) as an optimal transport (OT) problem, not as a frame-level multi-label binary classification problem. Our method learns to minimize the cost of…

Sound · Computer Science 2026-05-19 Weixing Wei , Raynaldi Lalang , Dichucheng Li , Kazuyoshi Yoshii

Recognizing atypical mitotic figures in histopathology images allows physicians to correctly assess tumor aggressiveness. Although machine learning models could be exploited for automatically performing such a task, under domain shift these…

Image and Video Processing · Electrical Eng. & Systems 2025-09-10 Gennaro Percannella , Mattia Sarno , Francesco Tortorella , Mario Vento

In digital pathology, different staining procedures and scanners cause substantial color variations in whole-slide images (WSIs), especially across different laboratories. These color shifts result in a poor generalization of deep…

Image and Video Processing · Electrical Eng. & Systems 2021-07-27 Sophia J. Wagner , Nadieh Khalili , Raghav Sharma , Melanie Boxberg , Carsten Marr , Walter de Back , Tingying Peng

Domain adaptation is commonly employed in crowd counting to bridge the domain gaps between different datasets. However, existing domain adaptation methods tend to focus on inter-dataset differences while overlooking the intra-differences…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Huilin Zhu , Jingling Yuan , Xian Zhong , Zhengwei Yang , Zheng Wang , Shengfeng He

Optimal transport (OT) compares probability distributions by computing a meaningful alignment between their samples. CO-optimal transport (COOT) takes this comparison further by inferring an alignment between features as well. While this…

Optimal transport (OT) is a widely used technique for distribution alignment, with applications throughout the machine learning, graphics, and vision communities. Without any additional structural assumptions on trans-port, however, OT can…

Machine Learning · Computer Science 2021-07-20 Chi-Heng Lin , Mehdi Azabou , Eva L. Dyer

Vision-language models (VLMs) such as CLIP demonstrate strong performance but struggle when adapted to downstream tasks. Prompt learning has emerged as an efficient and effective strategy to adapt VLMs while preserving their pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xiwen Chen , Wenhui Zhu , Peijie Qiu , Hao Wang , Huayu Li , Haiyu Wu , Aristeidis Sotiras , Yalin Wang , Abolfazl Razi

In modern industrial systems, machinery frequently operates under dynamic environments with continuously varying loads and speeds. Consequently, deep learning-based fault diagnosis models often suffer from severe performance degradation…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Yakun Wang , Pengyu Han , Zeyi Liu , Xiao He , Dongming Cai , Hongshuo Zhao

Domain Adaptation (DA) methods are widely used in medical image segmentation tasks to tackle the problem of differently distributed train (source) and test (target) data. We consider the supervised DA task with a limited number of annotated…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Ivan Zakazov , Boris Shirokikh , Alexey Chernyavskiy , Mikhail Belyaev

Domain Translation is the problem of finding a meaningful correspondence between two domains. Since in a majority of settings paired supervision is not available, much work focuses on Unsupervised Domain Translation (UDT) where data samples…

Machine Learning · Computer Science 2019-06-05 Emmanuel de Bézenac , Ibrahim Ayed , Patrick Gallinari

Deep learning models have exhibited exceptional effectiveness in Computational Pathology (CPath) by tackling intricate tasks across an array of histology image analysis applications. Nevertheless, the presence of out-of-distribution data…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Mostafa Jahanifar , Manahil Raza , Kesi Xu , Trinh Vuong , Rob Jewsbury , Adam Shephard , Neda Zamanitajeddin , Jin Tae Kwak , Shan E Ahmed Raza , Fayyaz Minhas , Nasir Rajpoot

Optimal transport (OT) is a powerful geometric and probabilistic tool for finding correspondences and measuring similarity between two distributions. Yet, its original formulation relies on the existence of a cost function between the…

Machine Learning · Statistics 2020-11-09 Ievgen Redko , Titouan Vayer , Rémi Flamary , Nicolas Courty

Histopathology image embedding is an active research area in computer vision. Most of the embedding models exclusively concentrate on a specific magnification level. However, a useful task in histopathology embedding is to train an…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Milad Sikaroudi , Benyamin Ghojogh , Fakhri Karray , Mark Crowley , H. R. Tizhoosh

Recently, linear regression models incorporating an optimal transport (OT) loss have been explored for applications such as supervised unmixing of spectra, music transcription, and mass spectrometry. However, these task-specific approaches…