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The approximation and convergence properties of implicit neural representations (INRs) are known to be highly sensitive to parameter initialization strategies. While several data-driven initialization methods demonstrate significant…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Kushal Vyas , Alper Kayabasi , Daniel Kim , Vishwanath Saragadam , Ashok Veeraraghavan , Guha Balakrishnan

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…

机器人学 · 计算机科学 2025-05-02 Minseok Song , JeongHo Ha , Bonggyeong Park , Daehyung Park

Quantitative T1rho mapping has shown promise in clinical and research studies. However, it suffers from long scan times. Deep learning-based techniques have been successfully applied in accelerated quantitative MR parameter mapping.…

图像与视频处理 · 电气工程与系统科学 2024-07-25 Yuanyuan Liu , Jinwen Xie , Zhuo-Xu Cui , Qingyong Zhu , Jing Cheng , Dong Liang , Yanjie Zhu

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…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Alper Kayabasi , Anil Kumar Vadathya , Guha Balakrishnan , Vishwanath Saragadam

Spectral bias, the tendency of neural networks to learn low-frequency features first, is a well-known issue with many training algorithms for physics-informed neural networks (PINNs). To overcome this issue, we propose IFeF-PINN, an…

机器学习 · 计算机科学 2025-10-23 Yulun Wu , Miguel Aguiar , Karl H. Johansson , Matthieu Barreau

Implicit Neural Representations (INRs) are proving to be a powerful paradigm in unifying task modeling across diverse data domains, offering key advantages such as memory efficiency and resolution independence. Conventional deep learning…

机器学习 · 计算机科学 2025-03-20 Amirhossein Kazerouni , Soroush Mehraban , Michael Brudno , Babak Taati

The storage of medical images is one of the challenges in the medical imaging field. There are variable works that use implicit neural representation (INR) to compress volumetric medical images. However, there is room to improve the…

图像与视频处理 · 电气工程与系统科学 2024-03-14 Armin Sheibanifard , Hongchuan Yu

Encoding input coordinates with sinusoidal functions into multilayer perceptrons (MLPs) has proven effective for implicit neural representations (INRs) of low-dimensional signals, enabling the modeling of high-frequency details. However,…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Diana Aldana , João Paulo Lima , Daniel Csillag , Daniel Perazzo , Haoan Feng , Luiz Velho , Tiago Novello

Implicit Neural Representations (INRs) encode discrete signals continuously while addressing spectral bias through activation functions (AFs). Previous approaches mitigate this bias by employing complex AFs, which often incur significant…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Wenyong Zhou , Boyu Li , Jiachen Ren , Taiqiang Wu , Zhilin Ai , Zhengwu Liu , Ngai Wong

Implicit Neural Representations (INRs) based on vanilla Multi-Layer Perceptrons (MLPs) are widely believed to be incapable of representing high-frequency content. This has directed research efforts towards architectural interventions, such…

Magnetic Resonance Imaging (MRI) is a widely utilized diagnostic tool in clinical settings, but its application is limited by the relatively long acquisition time. As a result, fast MRI reconstruction has become a significant area of…

图像与视频处理 · 电气工程与系统科学 2025-06-09 Lixuan Rao , Xinlin Zhang , Yiman Huang , Tao Tan , Tong Tong

\textit{Implicit neural representations} (INRs) have emerged as a promising framework for representing signals in low-dimensional spaces. This survey reviews the existing literature on the specialized INR problem of approximating…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Luiz Schirmer , Tiago Novello , Vinícius da Silva , Guilherme Schardong , Daniel Perazzo , Hélio Lopes , Nuno Gonçalves , Luiz Velho

Implicit Neural Representations (INRs) have revolutionized continuous signal modeling, yet they struggle to recover fine-grained details within finite training budgets. While empirical techniques, such as positional encoding (PE),…

机器学习 · 计算机科学 2026-02-03 Jianqiao Zheng , Hemanth Saratchandran , Simon Lucey

We study the interpolation capabilities of implicit neural representations (INRs) of images. In principle, INRs promise a number of advantages, such as continuous derivatives and arbitrary sampling, being freed from the restrictions of a…

图像与视频处理 · 电气工程与系统科学 2024-05-02 Lorenzo Luzi , Daniel LeJeune , Ali Siahkoohi , Sina Alemohammad , Vishwanath Saragadam , Hossein Babaei , Naiming Liu , Zichao Wang , Richard G. Baraniuk

We introduce Neural Representation of Distribution (NeRD) technique, a module for convolutional neural networks (CNNs) that can estimate the feature distribution by optimizing an underlying function mapping image coordinates to the feature…

图像与视频处理 · 电气工程与系统科学 2021-03-10 Hang Zhang , Rongguang Wang , Jinwei Zhang , Chao Li , Gufeng Yang , Pascal Spincemaille , Thanh Nguyen , Yi Wang

Graphons are general and powerful models for generating graphs of varying size. In this paper, we propose to directly model graphons using neural networks, obtaining Implicit Graphon Neural Representation (IGNR). Existing work in modeling…

机器学习 · 计算机科学 2023-04-03 Xinyue Xia , Gal Mishne , Yusu Wang

Recently, generative diffusion priors have made huge strides as inverse problem solvers, including the ability to be adapted for inference on out-of-distribution data. Concurrently, implicit neural representations (INRs) have emerged as…

图像与视频处理 · 电气工程与系统科学 2026-03-12 Maliha Hossain , Haley Duba-Sullivan , Amirkoushyar Ziabari

In this paper, a novel multi-head multi-layer perceptron (MLP) structure is presented for implicit neural representation (INR). Since conventional rectified linear unit (ReLU) networks are shown to exhibit spectral bias towards learning…

机器学习 · 计算机科学 2022-02-28 Arya Aftab , Alireza Morsali

Super-resolution of LiDAR range images is crucial to improving many downstream tasks such as object detection, recognition, and tracking. While deep learning has made a remarkable advances in super-resolution techniques, typical…

机器人学 · 计算机科学 2022-03-15 Youngsun Kwon , Minhyuk Sung , Sung-Eui Yoon

In this paper, a learning-based approach is proposed for optimizing downlink beamforming in multiple-input multiple-output (MIMO) systems that employ continuous aperture arrays (CAPAs) at both the base station (BS) and the user. Beamforming…

信号处理 · 电气工程与系统科学 2026-03-18 Shiyong Chen , Jia Guo , Shengqian Han