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Fr\'echet Inception Distance (FID) is widely used to evaluate image generators, yet lower FID does not always correspond to better sample quality. We show that this mismatch depends in part on the geometry of the reference dataset. In a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yunghee Lee , Byeonghyun Pak

The Wasserstein metric or earth mover's distance (EMD) is a useful tool in statistics, machine learning and computer science with many applications to biological or medical imaging, among others. Especially in the light of increasingly…

Optimization and Control · Mathematics 2018-01-26 Jörn Schrieber , Dominic Schuhmacher , Carsten Gottschlich

Single-image high dynamic range (SI-HDR) reconstruction has recently emerged as a problem well-suited for deep learning methods. Each successive technique demonstrates an improvement over existing methods by reporting higher image quality…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Gabriel Eilertsen , Saghi Hajisharif , Param Hanji , Apostolia Tsirikoglou , Rafal K. Mantiuk , Jonas Unger

Medical data poses a daunting challenge for AI algorithms: it exists in many different modalities, experiences frequent distribution shifts, and suffers from a scarcity of examples and labels. Recent advances, including transformers and…

Deep learning has achieved great success as a powerful classification tool and also made great progress in sematic segmentation. As a result, many researchers also believe that deep learning is the most powerful tool for pixel level image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Zhenzhou Wang

Distance measures are part and parcel of many computer vision algorithms. The underlying assumption in all existing distance measures is that feature elements are independent and identically distributed. However, in real-world settings,…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Muthukaruppan Swaminathan , Pankaj Kumar Yadav , Obdulio Piloto , Tobias Sjöblom , Ian Cheong

Medical imaging segmentation is a highly active area of research, with deep learning-based methods achieving state-of-the-art results in several benchmarks. However, the lack of standardized tools for training, testing, and evaluating new…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Adrian Celaya , Evan Lim , Rachel Glenn , Brayden Mi , Alex Balsells , Dawid Schellingerhout , Tucker Netherton , Caroline Chung , Beatrice Riviere , David Fuentes

Automatic image segmentation becomes very crucial for tumor detection in medical image processing.In general, manual and semi automatic segmentation techniques require more time and knowledge. However these drawbacks had overcome by…

Computer Vision and Pattern Recognition · Computer Science 2016-03-09 D. Anithadevi , K. Perumal

Hyperspectral imaging, also known as image spectrometry, is a landmark technique in geoscience and remote sensing (RS). In the past decade, enormous efforts have been made to process and analyze these hyperspectral (HS) products mainly by…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Danfeng Hong , Wei He , Naoto Yokoya , Jing Yao , Lianru Gao , Liangpei Zhang , Jocelyn Chanussot , Xiao Xiang Zhu

The simulation of physical phenomena with computer models relies on the estimation of physical and/or numerical parameters calibrated to fit experimental data. The approximations within the computer model and the errors in the measurements…

Methodology · Statistics 2026-05-12 Paul Lartaud , Gwenaël Salin

Small object segmentation, like tumor segmentation, is a difficult and critical task in the field of medical image analysis. Although deep learning based methods have achieved promising performance, they are restricted to the use of binary…

Image and Video Processing · Electrical Eng. & Systems 2025-01-17 Huiyu Li , Xiabi Liu , Said Boumaraf , Xiaopeng Gong , Donghai Liao , Xiaohong Ma

In many robotics applications, it is necessary to compute not only the distance between the robot and the environment, but also its derivative - for example, when using control barrier functions. However, since the traditional Euclidean…

MR imaging is a valuable diagnostic tool allowing to non-invasively visualize patient anatomy and pathology with high soft-tissue contrast. However, MRI acquisition is typically time-consuming, leading to patient discomfort and increased…

Image and Video Processing · Electrical Eng. & Systems 2025-12-23 Jan Nikolas Morshuis , Matthias Hein , Christian F. Baumgartner

In the past decades, feature-learning-based 3D shape retrieval approaches have been received widespread attention in the computer graphic community. These approaches usually explored the hand-crafted distance metric or conventional distance…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Huibing Wang , Haohao Li , Xianping Fu

Stereoscopic head-mounted displays (HMDs) render and present binocular images to create an egocentric, 3D percept to the HMD user. Within this render and presentation pipeline there are potential rendering camera and viewing position errors…

Human-Computer Interaction · Computer Science 2026-03-17 Raffles Xingqi Zhu , Charlie S. Burlingham , Olivier Mercier , Phillip Guan

In recent years, machine learning has witnessed extensive adoption across various sectors, yet its application in medical image-based disease detection and diagnosis remains challenging due to distribution shifts in real-world data. In…

Machine Learning · Computer Science 2024-02-13 Masoumeh Javanbakhat , Md Tasnimul Hasan , Cristoph Lippert

We propose a fundamental metric for measuring the distance between two distributions. This metric, referred to as the decision-focused (DF) divergence, is tailored to stochastic linear optimization problems in which the objective…

Statistics Theory · Mathematics 2026-02-04 Suhan Liu , Mo Liu

In recent years there have been a lot of interest to test for similarity between biological drug products, commonly known as biologics. Biologics are large and complex molecule drugs that are produced by living cells and hence these are…

Methodology · Statistics 2019-02-21 Lin Dong , Sujit K. Ghosh

Biometrics is the science and technology of measuring and analyzing biological data of human body, extracting a feature set from the acquired data, and comparing this set against to the template set in the database. Experimental studies…

Artificial Intelligence · Computer Science 2010-11-30 K. Sasidhar , Vijaya L Kakulapati , Kolikipogu Ramakrishna , K. KailasaRao

Medical image segmentation is crucial for clinical diagnosis. However, current losses for medical image segmentation mainly focus on overall segmentation results, with fewer losses proposed to guide boundary segmentation. Those that do…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Fan Sun , Zhiming Luo , Shaozi Li