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High resolution Magnetic Resonance (MR) images are desired for accurate diagnostics. In practice, image resolution is restricted by factors like hardware and processing constraints. Recently, deep learning methods have been shown to produce…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Venkateswararao Cherukuri , Tiantong Guo , Steve. J. Schiff , Vishal Monga

Sentinel-5P (S5P) plays a critical role in atmospheric monitoring; however, its spatial resolution limits fine-scale analysis. Existing super-resolution (SR) approaches rely on supervised learning with synthetic low-resolution (LR) data,…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hyam Omar Ali , Antoine Crosnier , Romain Abraham , Baptiste Combelles , Fabrice Jégou , Bruno Galerne

Much recent work has addressed the solution of a family of partial differential equations by computing the inverse operator map between the input and solution space. Toward this end, we incorporate function-valued reproducing kernel Hilbert…

数值分析 · 数学 2022-04-05 Kaijun Bao , Xu Qian , Ziyuan Liu , Songhe Song

Recent advancements in diffusion models have significantly improved performance in super-resolution (SR) tasks. However, previous research often overlooks the fundamental differences between SR and general image generation. General image…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Hanlin Wu , Jiangwei Mo , Xiaohui Sun , Jie Ma

Magnetic resonance (MR) images collected in 2D clinical protocols typically have large inter-slice spacing, resulting in high in-plane resolution and reduced through-plane resolution. Super-resolution technique can enhance the through-plane…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Xin Wang , Sheng Wang , Honglin Xiong , Kai Xuan , Zixu Zhuang , Mengjun Liu , Zhenrong Shen , Xiangyu Zhao , Lichi Zhang , Qian Wang

Conventional singing voice conversion (SVC) methods often suffer from operating in high-resolution audio owing to a high dimensionality of data. In this paper, we propose a hierarchical representation learning that enables the learning of…

声音 · 计算机科学 2021-04-27 Naoya Takahashi , Mayank Kumar Singh , Yuki Mitsufuji

We present a novel approach for super-resolution that utilizes implicit neural representation (INR) to effectively reconstruct and enhance low-resolution videos and images. By leveraging the capacity of neural networks to implicitly encode…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Mary Aiyetigbo , Wanqi Yuan , Feng Luo , Nianyi Li

One impressive advantage of convolutional neural networks (CNNs) is their ability to automatically learn feature representation from raw pixels, eliminating the need for hand-designed procedures. However, recent methods for single image…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Yifan Wang , Lijun Wang , Hongyu Wang , Peihua Li

Channel modeling has always been the core part in communication system design and development, especially in 5G and 6G era. Traditional approaches like stochastic channel modeling and ray-tracing (RT) based channel modeling depend heavily…

信号处理 · 电气工程与系统科学 2022-09-12 Xiping Wang , Zhao Zhang , Danping He , Ke Guan , Dongliang Liu , Jianwu Dou

Compared to CNN-based methods, Transformer-based methods achieve impressive image restoration outcomes due to their abilities to model remote dependencies. However, how to apply Transformer-based methods to the field of blind…

计算机视觉与模式识别 · 计算机科学 2023-10-09 Qingguo Liu , Pan Gao , Kang Han , Ningzhong Liu , Wei Xiang

Super-resolution (SR) with arbitrary scale factor and cost-and-quality controllability at test time is essential for various applications. While several arbitrary-scale SR methods have been proposed, these methods require us to modify the…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Kazutoshi Akita , Norimichi Ukita

Transformer-based deep models for single image super-resolution (SISR) have greatly improved the performance of lightweight SISR tasks in recent years. However, they often suffer from heavy computational burden and slow inference due to the…

图像与视频处理 · 电气工程与系统科学 2024-08-09 Xiaole Zhao , Linze Li , Chengxing Xie , Xiaoming Zhang , Ting Jiang , Wenjie Lin , Shuaicheng Liu , Tianrui Li

Neural network (NN) based approaches for super-resolution MRI typically require high-SNR high-resolution reference data acquired in many subjects, which is time consuming and a barrier to feasible and accessible implementation. We propose…

图像与视频处理 · 电气工程与系统科学 2022-11-11 Jiaxin Xiao , Zihan Li , Berkin Bilgic , Jonathan R. Polimeni , Susie Huang , Qiyuan Tian

Magnetic resonance images (MRI) acquired with low through-plane resolution compromise time and cost. The poor resolution in one orientation is insufficient to meet the requirement of high resolution for early diagnosis of brain disease and…

图像与视频处理 · 电气工程与系统科学 2023-06-13 Shan Huang , Xiaohong Liu , Tao Tan , Menghan Hu , Xiaoer Wei , Tingli Chen , Bin Sheng

For collecting high-quality high-resolution (HR) MR image, we propose a novel image reconstruction network named IREM, which is trained on multiple low-resolution (LR) MR images and achieve an arbitrary up-sampling rate for HR image…

图像与视频处理 · 电气工程与系统科学 2021-06-30 Qing Wu , Yuwei Li , Lan Xu , Ruiming Feng , Hongjiang Wei , Qing Yang , Boliang Yu , Xiaozhao Liu , Jingyi Yu , Yuyao Zhang

Single image super resolution (SR), which refers to reconstruct a higher-resolution (HR) image from the observed low-resolution (LR) image, has received substantial attention due to its tremendous application potentials. Despite the…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Yukai Shi , Keze Wang , Chongyu Chen , Li Xu , Liang Lin

In this paper we propose a vision system that performs image Super Resolution (SR) with selectivity. Conventional SR techniques, either by multi-image fusion or example-based construction, have failed to capitalize on the intrinsic…

计算机视觉与模式识别 · 计算机科学 2010-10-28 Ju Sun , Qiang Chen , Shuicheng Yan , Loong-Fah Cheong

Deep neural networks have exhibited promising performance in image super-resolution (SR) due to the power in learning the non-linear mapping from low-resolution (LR) images to high-resolution (HR) images. However, most deep learning methods…

计算机视觉与模式识别 · 计算机科学 2018-09-20 Yong Guo , Qi Chen , Jian Chen , Junzhou Huang , Yanwu Xu , Jiezhang Cao , Peilin Zhao , Mingkui Tan

The brain learns abstract representations of high-dimensional sensory input, but the plasticity rules that enable such learning are unknown. We study biologically plausible algorithms on the Random Hierarchy Model (RHM), an artificial…

机器学习 · 计算机科学 2026-05-19 Ariane Delrocq , Wu S. Zihan , Guillaume Bellec , Wulfram Gerstner

We introduce a deep learning (DL) framework for inverse problems in imaging, and demonstrate the advantages and applicability of this approach in passive synthetic aperture radar (SAR) image reconstruction. We interpret image recon-…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Bariscan Yonel , Eric Mason , Birsen Yazıcı