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Synthesizing missing modalities in multi-modal magnetic resonance imaging (MRI) is vital for ensuring diagnostic completeness, particularly when full acquisitions are infeasible due to time constraints, motion artifacts, and patient…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yue Zhang , Zhizheng Zhuo , Siyao Xu , Shan Lv , Zhaoxi Liu , Jun Qiu , Qiuli Wang , Yaou Liu , S. Kevin Zhou

We address the problem of reconstructing high quality images from undersampled MRI data. This is a challenging task due to the highly ill-posed nature of the problem. In particular, in dynamic MRI scans, the interaction between the target…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Angelica I. Aviles-Rivero , Noémie Debroux , Guy Williams , Martin J. Graves , Carola-Bibiane Schonlieb

Magnetic resonance imaging (MRI) quality assessment is crucial for clinical decision-making, yet remains challenging due to data scarcity and protocol variability. Traditional approaches face fundamental trade-offs: signal-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Fankai Jia , Daisong Gan , Zhe Zhang , Zhaochi Wen , Chenchen Dan , Dong Liang , Haifeng Wang

Synthetic data has become essential for training code generation models, yet it introduces significant noise and hallucinations that are difficult to detect with current metrics. Existing data selection methods like Instruction-Following…

Computation and Language · Computer Science 2026-03-17 Jiayin Lei , Ming Ma , Yunxi Duan , Chenxi Li , Tianming Yang

AI requires extensive datasets, while medical data is subject to high data protection. Anonymization is essential, but poses a challenge for some regions, such as the head, as identifying structures overlap with regions of clinical…

Iterative Synthetic Control Method is introduced in this study, a modification of the Synthetic Control Method (SCM) designed to improve its predictive performance by utilizing control units affected by the treatment in question. This…

Econometrics · Economics 2024-05-06 Andrii Melnychuk

Accurate synthesis of computed tomography (CT) images from magnetic resonance imaging (MRI) is clinically valuable for cranial applications such as attenuation correction, radiotherapy planning, and image-guided interventions. However,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-05 Zhuoyao Xin , Yiren Zhang , Christopher Wu , Dong Liu , Chunming Gu , Elena Greco , Erik H. Middlebrooks , Jun Hua , Jia Guo

Quantitative MRI (qMRI) estimates tissue properties of interest from measured MRI signals. This process is conventionally achieved by model fitting, whose computational expense limits qMRI's clinical use, motivating recent development of…

Medical Physics · Physics 2025-10-10 Giulio V. Minore , Louis Dwyer-Hemmings , Timothy J. P. Bray , Hui Zhang

Quality control of assembly processes is essential in manufacturing to ensure not only the quality of individual components but also their proper integration into the final product. To assist in this matter, automated assembly control using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Jonas Werheid , Shengjie He , Aymen Gannouni , Anas Abdelrazeq , Robert H. Schmitt

The synthetic control method (SCM) is a widely used tool for evaluating causal effects of policy changes in panel data settings. Recent studies have extended its framework to accommodate complex outcomes that take values in metric spaces,…

Methodology · Statistics 2026-01-13 Ryo Okano , Daisuke Kurisu

Matching promises transparent causal inferences for observational data, making it an intuitive approach for many applications. In practice, however, standard matching methods often perform poorly compared to modern approaches such as…

Methodology · Statistics 2024-11-11 Jonathan Che , Xiang Meng , Luke Miratrix

Collecting and annotating real-world data for the development of object detection models is a time-consuming and expensive process. In the military domain in particular, data collection can also be dangerous or infeasible. Training models…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Frank A. Ruis , Alma M. Liezenga , Friso G. Heslinga , Luca Ballan , Thijs A. Eker , Richard J. M. den Hollander , Martin C. van Leeuwen , Judith Dijk , Wyke Huizinga

Correcting motion artifacts in MRI is important, as they can hinder accurate diagnosis. However, evaluating deep learning-based and classical motion correction methods remains fundamentally difficult due to the lack of accessible…

Image and Video Processing · Electrical Eng. & Systems 2025-06-09 Kun Wang , Tobit Klug , Stefan Ruschke , Jan S. Kirschke , Reinhard Heckel

Imbalanced data, where the positive samples represent only a small proportion compared to the negative samples, makes it challenging for classification problems to balance the false positive and false negative rates. A common approach to…

Machine Learning · Statistics 2026-02-17 Pengfei Lyu , Zhengchi Ma , Linjun Zhang , Anru R. Zhang

Synthetic data generation represents a significant advancement in boosting the performance of machine learning (ML) models, particularly in fields where data acquisition is challenging, such as echocardiography. The acquisition and labeling…

Machine Learning · Computer Science 2025-08-28 Nima Kondori , Hanwen Liang , Hooman Vaseli , Bingyu Xie , Christina Luong , Purang Abolmaesumi , Teresa Tsang , Renjie Liao

Synthetic data has gained attention for training large language models, but poor-quality data can harm performance (see, e.g., Shumailov et al. (2023); Seddik et al. (2024)). A potential solution is data pruning, which retains only…

Machine Learning · Computer Science 2024-10-14 Aymane El Firdoussi , Mohamed El Amine Seddik , Soufiane Hayou , Reda Alami , Ahmed Alzubaidi , Hakim Hacid

With recent advances in speech synthesis, synthetic data is becoming a viable alternative to real data for training speech recognition models. However, machine learning with synthetic data is not trivial due to the gap between the synthetic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-25 Ting-Yao Hu , Mohammadreza Armandpour , Ashish Shrivastava , Jen-Hao Rick Chang , Hema Koppula , Oncel Tuzel

Magnetic resonance imaging (MRI) offers superior soft tissue contrast and is widely used in biomedicine. However, conventional MRI is not quantitative, which presents a bottleneck in image analysis and digital healthcare. Typically,…

Magnetic resonance imaging (MRI) is an essential medical tool with inherently slow data acquisition process. Slow acquisition process requires patient to be long time exposed to scanning apparatus. In recent years significant efforts are…

Computer Vision and Pattern Recognition · Computer Science 2015-03-05 Jelena Badnjar

The amount of training data that is required to train a classifier scales with the dimensionality of the feature data. In hyperspectral remote sensing, feature data can potentially become very high dimensional. However, the amount of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 AmirAbbas Davari , Erchan Aptoula , Berrin Yanikoglu , Andreas Maier , Christian Riess
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