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Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

Image and Video Processing · Electrical Eng. & Systems 2022-05-20 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar

Ultrasound-based elasticity imaging is a non-invasive technique for estimating tissue stiffness fields from displacement fields obtained by comparing ultrasound signals before and after compression. While recent deep learning approaches…

Medical Physics · Physics 2026-01-22 Heekyu Kim , Hugon LEe , Minwoo Park , Seunghwa Ryu

We propose a new continuous video modeling framework based on implicit neural representations (INRs) called ActINR. At the core of our approach is the observation that INRs can be considered as a learnable dictionary, with the shapes of the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Alper Kayabasi , Anil Kumar Vadathya , Guha Balakrishnan , Vishwanath Saragadam

In motion-robust magnetic resonance imaging (MRI), slice-to-volume reconstruction is critical for recovering anatomically consistent 3D brain volumes from 2D slices, especially under accelerated acquisitions or patient motion. However, this…

Image and Video Processing · Electrical Eng. & Systems 2026-03-25 Zhenxuan Zhang , Lipei Zhang , Yanqi Cheng , Zi Wang , Fanwen Wang , Haosen Zhang , Yue Yang , Yinzhe Wu , Jiahao Huang , Angelica I Aviles-Rivero , Zhifan Gao , Guang Yang , Peter J. Lally

Models for image representation learning are typically designed for either recognition or generation. Various forms of contrastive learning help models learn to convert images to embeddings that are useful for classification, detection, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Matthew Gwilliam , Xiao Wang , Xuefeng Hu , Zhenheng Yang

Implicit Neural Representations (INRs) have emerged as a transformative paradigm in signal processing and computer vision, excelling in tasks from image reconstruction to 3D shape modeling. Yet their effectiveness is fundamentally limited…

Machine Learning · Computer Science 2025-09-30 Sipeng Chen , Yan Zhang , Shibo Li

Recent work in Deep Learning has re-imagined the representation of data as functions mapping from a coordinate space to an underlying continuous signal. When such functions are approximated by neural networks this introduces a compelling…

Machine Learning · Statistics 2022-08-09 Jonathan Richard Schwarz , Yee Whye Teh

In modern machine learning, the trend of harnessing self-supervised learning to derive high-quality representations without label dependency has garnered significant attention. However, the absence of label information, coupled with the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Yan Cui , Shuhong Liu , Liuzhuozheng Li , Zhiyuan Yuan

We aim to solve the problem of manipulating deformable objects, particularly elastic bands, in real-world scenarios. However, deformable object manipulation (DOM) requires a policy that works on a large state space due to the unlimited…

Robotics · Computer Science 2025-05-02 Minseok Song , JeongHo Ha , Bonggyeong Park , Daehyung Park

Recent progress in computational photography has shown that we can acquire near-infrared (NIR) information in addition to the normal visible (RGB) band, with only slight modifications to standard digital cameras. Due to the proximity of the…

Computer Vision and Pattern Recognition · Computer Science 2014-06-25 Neda Salamati , Diane Larlus , Gabriela Csurka , Sabine Süsstrunk

Image inpainting has achieved fundamental advances with deep learning. However, almost all existing inpainting methods aim to process natural images, while few target Thermal Infrared (TIR) images, which have widespread applications. When…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Zeyu Wang , Haibin Shen , Changyou Men , Quan Sun , Kejie Huang

Hyperspectral image (HSI) super-resolution without additional auxiliary image remains a constant challenge due to its high-dimensional spectral patterns, where learning an effective spatial and spectral representation is a fundamental…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Kaiwei Zhang

Accelerating Magnetic Resonance Imaging (MRI) reduces scan time but often degrades image quality. While Implicit Neural Representations (INRs) show promise for MRI reconstruction, they struggle at high acceleration factors due to weak prior…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Ziad Al-Haj Hemidi , Eytan Kats , Mattias P. Heinrich

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

The majority of deep learning (DL) based deformable image registration methods use convolutional neural networks (CNNs) to estimate displacement fields from pairs of moving and fixed images. This, however, requires the convolutional kernels…

Image and Video Processing · Electrical Eng. & Systems 2022-08-02 Yihao Liu , Lianrui Zuo , Shuo Han , Yuan Xue , Jerry L. Prince , Aaron Carass

Implicit neural representation, which expresses an image as a continuous function rather than a discrete grid form, is widely used for image processing. Despite its outperforming results, there are still remaining limitations on restoring…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Wonjoon Chang , Dahee Kwon , Bumjin Park

Regularization is essential in deep learning to enhance generalization and mitigate overfitting. However, conventional techniques often rely on heuristics, making them less reliable or effective across diverse settings. We propose Self…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xiuding Cai , Yaoyao Zhu , Linjie Fu , Dong Miao , Yu Yao

Generating realistic intermediate shapes between non-rigidly deformed shapes is a challenging task in computer vision, especially with unstructured data (e.g., point clouds) where temporal consistency across frames is lacking, and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Lu Sang , Zehranaz Canfes , Dongliang Cao , Riccardo Marin , Florian Bernard , Daniel Cremers

Image ordinal classification refers to predicting a discrete target value which carries ordering correlation among image categories. The limited size of labeled ordinal data renders modern deep learning approaches easy to overfit. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Chao Zhang , Ce Zhu , Jimin Xiao , Xun Xu , Yipeng Liu

Neural operators learn mappings between function spaces, which is practical for learning solution operators of PDEs and other scientific modeling applications. Among them, the Fourier neural operator (FNO) is a popular architecture that…

Machine Learning · Computer Science 2024-06-11 Miguel Liu-Schiaffini , Julius Berner , Boris Bonev , Thorsten Kurth , Kamyar Azizzadenesheli , Anima Anandkumar