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Related papers: Harmonic Alignment

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Diffusion models are state-of-the-art generative models, yet their samples often fail to satisfy application objectives such as safety constraints or domain-specific validity. Existing techniques for alignment require gradients, internal…

Geometric matching is a key step in computer vision tasks. Previous learning-based methods for geometric matching concentrate more on improving alignment quality, while we argue the importance of naturalness issue simultaneously. To deal…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Yifang Xu , Tianli Liao , Jing Chen

We propose a method to reconstruct and cluster incomplete high-dimensional data lying in a union of low-dimensional subspaces. Exploring the sparse representation model, we jointly estimate the missing data while imposing the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 João Carvalho , Manuel Marques , João P. Costeira

Although the availability of a large amount of data is usually given for granted, there are relevant scenarios where this is not the case; for instance, in the biomedical/healthcare domain, some applications require to build huge datasets…

Machine Learning · Computer Science 2023-10-24 Pierangela Bruno , Francesco Calimeri , Cinzia Marte , Simona Perri

This study demonstrates that incorporating a consistency heuristic into the point-matching algorithm \cite{yerebakan2023hierarchical} improves robustness in matching anatomical locations across pairs of medical images. We validated our…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Halid Ziya Yerebakan , Gerardo Hermosillo Valadez

Spatially misaligned data can be fused by using a Bayesian melding model that assumes that underlying all observations there is a spatially continuous Gaussian random field process. This model can be used, for example, to predict air…

Methodology · Statistics 2024-06-06 Ruiman Zhong , André Victor Ribeiro Amaral , Paula Moraga

The desire to train complex machine learning algorithms and to increase the statistical power in association studies drives neuroimaging research to use ever-larger datasets. The most obvious way to increase sample size is by pooling scans…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Christian Wachinger , Anna Rieckmann , Sebastian Pölsterl

Accurate correspondence matching in coronary angiography images is crucial for reconstructing 3D coronary artery structures, which is essential for precise diagnosis and treatment planning of coronary artery disease (CAD). Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Lin Zhao , Xin Yu , Yikang Liu , Xiao Chen , Eric Z. Chen , Terrence Chen , Shanhui Sun

We consider the problem of aligning a pair of databases with jointly Gaussian features. We consider two algorithms, complete database alignment via MAP estimation among all possible database alignments, and partial alignment via a…

Machine Learning · Statistics 2019-09-04 Osman Emre Dai , Daniel Cullina , Negar Kiyavash

Appropriately representing elements in a database so that queries may be accurately matched is a central task in information retrieval; recently, this has been achieved by embedding the graphical structure of the database into a manifold in…

Machine Learning · Statistics 2023-07-10 Yueqi Cao , Athanasios Vlontzos , Luca Schmidtke , Bernhard Kainz , Anthea Monod

Content generation and manipulation approaches based on deep learning methods have seen significant advancements, leading to an increased need for techniques to detect whether an image has been generated or edited. Another area of research…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Philip Wootaek Shin , Jack Sampson , Vijaykrishnan Narayanan , Andres Marquez , Mahantesh Halappanavar

With the popularity of video-based user-generated content (UGC) on social media, harmony, as dictated by human perceptual principles, is critical in assessing the rhythmic consistency of audio-visual UGCs for better user engagement. In this…

Multimedia · Computer Science 2025-06-10 Xinyi Wu , Haohong Wang , Aggelos K. Katsaggelos

Dataset Distillation aims to compress a large dataset into a significantly more compact, synthetic one without compromising the performance of the trained models. To achieve this, existing methods use the agent model to extract information…

Image alignment is a fundamental task in computer vision with broad applications. Existing methods predominantly employ optical flow-based image warping. However, this technique is susceptible to common challenges such as occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Xinglong Luo , Ao Luo , Zhengning Wang , Yueqi Yang , Chaoyu Feng , Lei Lei , Bing Zeng , Shuaicheng Liu

Numeric tabular datasets are the dominant data format in scientific practice, yet large language models lack native mechanisms for representing numeric datasets in a meaningful way across heterogeneous feature spaces. Existing approaches…

Machine Learning · Computer Science 2026-05-29 M. Ross Kunz , John Merickel , Keith Wilson

Data scarcity hinders deep learning for medical imaging. We propose a framework for breast cancer classification in thermograms that addresses this using a Diffusion Probabilistic Model (DPM) for data augmentation. Our DPM-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Sepehr Salem , M. Moein Esfahani , Jingyu Liu , Vince Calhoun

Existing learning-based methods effectively reconstruct HDR images from multi-exposure LDR inputs with extended dynamic range and improved detail, but they rely more on empirical design rather than theoretical foundation, which can impact…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Xinyue Li , Zhangkai Ni , Wenhan Yang

In certain fields where compositional data are studied, the compositional components, called parts, can be combined into certain subsets, called amalgamations, that are based on domain knowledge. Furthermore, these subsets can form a…

Methodology · Statistics 2025-11-27 Michael Greenacre , Martin Graeve

For many use cases, combining information from different datasets can be of interest to improve a machine learning model's performance, especially when the number of samples from at least one of the datasets is small. However, a potential…

Machine Learning · Statistics 2023-05-17 Thu Nguyen , Rabindra Khadka , Nhan Phan , Anis Yazidi , Pål Halvorsen , Michael A. Riegler

Dataset condensation addresses the problem of data burden by learning a small synthetic training set that preserves essential knowledge from the larger real training set. To date, the state-of-the-art (SOTA) results are often yielded by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Hansong Zhang , Shikun Li , Fanzhao Lin , Weiping Wang , Zhenxing Qian , Shiming Ge
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