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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

Parallel imaging is a widely-used technique to accelerate magnetic resonance imaging (MRI). However, current methods still perform poorly in reconstructing artifact-free MRI images from highly undersampled k-space data. Recently, implicit…

Image and Video Processing · Electrical Eng. & Systems 2022-10-20 Ruimin Feng , Qing Wu , Yuyao Zhang , Hongjiang Wei

Implicit Neural Representations (INRs) have gained popularity for encoding signals as compact, differentiable entities. While commonly using techniques like Fourier positional encodings or non-traditional activation functions (e.g.,…

Machine Learning · Computer Science 2024-02-09 Hemanth Saratchandran , Sameera Ramasinghe , Violetta Shevchenko , Alexander Long , Simon Lucey

Implicit neural representations (INRs) are a rapidly growing research field, which provides alternative ways to represent multimedia signals. Recent applications of INRs include image super-resolution, compression of high-dimensional…

Recent denoising algorithms based on the "blind-spot" strategy show impressive blind image denoising performances, without utilizing any external dataset. While the methods excel in recovering highly contaminated images, we observe that…

Image and Video Processing · Electrical Eng. & Systems 2022-04-07 Chaewon Kim , Jaeho Lee , Jinwoo Shin

Large-scale numerical simulations are capable of generating data up to terabytes or even petabytes. As a promising method of data reduction, super-resolution (SR) has been widely studied in the scientific visualization community. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-08-29 Chenyue Jiao , Chongke Bi , Lu Yang

Implicit neural representations (INRs) have recently emerged as a powerful tool that provides an accurate and resolution-independent encoding of data. Their robustness as general approximators has been shown in a wide variety of data…

Machine Learning · Computer Science 2022-08-12 Elizabeth Fons , Alejandro Sztrajman , Yousef El-laham , Alexandros Iosifidis , Svitlana Vyetrenko

Implicit neural representations (INRs) have become an important method for encoding various data types, such as 3D objects or scenes, images, and videos. They have proven to be particularly effective at representing 3D content, e.g., 3D…

Machine Learning · Computer Science 2025-01-28 Yushi Guan , Daniel Kwan , Ruofan Liang , Selvakumar Panneer , Nilesh Jain , Nilesh Ahuja , Nandita Vijaykumar

Implicit neural representations (INRs) such as NeRF and SIREN encode a signal in neural network parameters and show excellent results for signal reconstruction. Using INRs for downstream tasks, such as classification, is however not…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Alexander Gielisse , Jan van Gemert

Synthetic aperture radar (SAR) is a tomographic sensor that measures 2D slices of the 3D spatial Fourier transform of the scene. In many operational scenarios, the measured set of 2D slices does not fill the 3D space in the Fourier domain,…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Nithin Sugavanam , Emre Ertin

Continuous signal representations are naturally suited for inverse problems, such as magnetic resonance imaging (MRI) and computed tomography, because the measurements depend on an underlying physically continuous signal. While classical…

Signal Processing · Electrical Eng. & Systems 2026-02-26 Hongze Yu , Yun Jiang , Jeffrey A. Fessler

High Resolution (HR) medical images provide rich anatomical structure details to facilitate early and accurate diagnosis. In MRI, restricted by hardware capacity, scan time, and patient cooperation ability, isotropic 3D HR image acquisition…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Qing Wu , Yuwei Li , Yawen Sun , Yan Zhou , Hongjiang Wei , Jingyi Yu , Yuyao Zhang

Neural fields or implicit neural representations (INRs) have attracted significant attention in computer vision and imaging due to their efficient coordinate-based representation of images and 3D volumes. In this work, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 AmirEhsan Khorashadizadeh , Tobías I. Liaudat , Tianlin Liu , Jason D. McEwen , Ivan Dokmanić

High-resolution magnetic resonance imaging (MRI) is essential in clinical diagnosis. However, its long acquisition time remains a critical issue. Parallel imaging (PI) is a common approach to reduce acquisition time by periodically skipping…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Hao Li , Yusheng Zhou , Jianan Liu , Xiling Liu , Tao Huang , Zhihan Lyu , Weidong Cai , Wei Chen

Implicit Neural Representations (INRs) encode discrete signals in a continuous manner using neural networks, demonstrating significant value across various multimedia applications. However, the vulnerability of INRs presents a critical…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Wenyong Zhou , Yuxin Cheng , Zhengwu Liu , Taiqiang Wu , Chen Zhang , Ngai Wong

Ultrafast Plane-Wave (PW) imaging often produces artifacts and shadows that vary with insonification angles. We propose a novel approach using Implicit Neural Representations (INRs) to compactly encode multi-planar sequences while…

Image and Video Processing · Electrical Eng. & Systems 2024-09-18 Mathilde Monvoisin , Yuxin Zhang , Diana Mateus

Implicit Neural Representations (INRs) encoding continuous multi-media data via multi-layer perceptrons has shown undebatable promise in various computer vision tasks. Despite many successful applications, editing and processing an INR…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Dejia Xu , Peihao Wang , Yifan Jiang , Zhiwen Fan , Zhangyang Wang

Many challenging image processing tasks can be described by an ill-posed linear inverse problem: deblurring, deconvolution, inpainting, compressed sensing, and superresolution all lie in this framework. Traditional inverse problem solvers…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Davis Gilton , Greg Ongie , Rebecca Willett

Implicit neural representations (INRs), which leverage neural networks to represent signals by mapping coordinates to their corresponding attributes, have garnered significant attention. They are extensively utilized for image…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Sheng Zheng , Chaoning Zhang , Dongshen Han , Fachrina Dewi Puspitasari , Xinhong Hao , Yang Yang , Heng Tao Shen

Implicit Neural Representations (INRs) have recently advanced the field of deep learning due to their ability to learn continuous representations of signals without the need for large training datasets. Although INR methods have been…

Image and Video Processing · Electrical Eng. & Systems 2024-09-04 Mevan Ekanayake , Zhifeng Chen , Gary Egan , Mehrtash Harandi , Zhaolin Chen