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Speech super-resolution (SSR) aims to predict a high resolution (HR) speech signal from its low resolution (LR) corresponding part. Most neural SSR models focus on producing the final result in a noise-free environment by recovering the…

音频与语音处理 · 电气工程与系统科学 2023-10-11 Junkang Yang , Hongqing Liu , Lu Gan , Yi Zhou

Purpose: In many clinical MRI scenarios, existing imaging information can be used to significantly shorten acquisition time or to improve Signal to Noise Ratio (SNR). In this paper the authors present a framework for fast MRI by exploiting…

医学物理 · 物理学 2017-08-28 Lior Weizman , Yonina C. Eldar , Dafna Ben-Basaht

Single image super-resolution (SR) via deep learning has recently gained significant attention in the literature. Convolutional neural networks (CNNs) are typically learned to represent the mapping between low-resolution (LR) and…

计算机视觉与模式识别 · 计算机科学 2018-02-09 Hojjat S. Mousavi , Tiantong Guo , Vishal Monga

Deep convolutional neural networks (CNNs) have recently achieved great success for single image super-resolution (SISR) task due to their powerful feature representation capabilities. The most recent deep learning based SISR methods focus…

图像与视频处理 · 电气工程与系统科学 2020-09-11 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

In this article, we address the challenges of image super-resolution and noise reduction, which are crucial for enhancing the quality of images derived from low-resolution or noisy data. We compared and assessed several approaches for…

无序系统与神经网络 · 物理学 2024-06-17 Ngoc-Giau Pham , Thanh-Hai Tong Le , Van-Hieu Duong , Hong-Ngoc Tran , Phuoc-Hung Vo

High-resolution (HR) magnetic resonance imaging (MRI) provides detailed anatomical information that is critical for diagnosis in the clinical application. However, HR MRI typically comes at the cost of long scan time, small spatial…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Yuhua Chen , Anthony G. Christodoulou , Zhengwei Zhou , Feng Shi , Yibin Xie , Debiao Li

Fluorescence microscopy is a key driver to promote discoveries of biomedical research. However, with the limitation of microscope hardware and characteristics of the observed samples, the fluorescence microscopy images are susceptible to…

图像与视频处理 · 电气工程与系统科学 2022-09-15 Xuanyu Tian , Qing Wu , Hongjiang Wei , Yuyao Zhang

While deep neural networks exhibit state-of-the-art results in the task of image super-resolution (SR) with a fixed known acquisition process (e.g., a bicubic downscaling kernel), they experience a huge performance loss when the real…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Tom Tirer , Raja Giryes

Deep learning-based super-resolution models have the potential to revolutionize biomedical imaging and diagnoses by effectively tackling various challenges associated with early detection, personalized medicine, and clinical automation.…

医学物理 · 物理学 2023-06-27 Yuanzheng Ma , Xinyue Wang , Benqi Zhao , Ying Xiao , Shijie Deng , Jian Song , Xun Guan

Improving the image resolution and acquisition speed of magnetic resonance imaging (MRI) is a challenging problem. There are mainly two strategies dealing with the speed-resolution trade-off: (1) $k$-space undersampling with high-resolution…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Wenqi Huang , Sen Jia , Ziwen Ke , Zhuo-Xu Cui , Jing Cheng , Yanjie Zhu , Dong Liang

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

机器学习 · 计算机科学 2018-09-11 Venkateswararao Cherukuri , Tiantong Guo , Steven J. Schiff , Vishal Monga

In machine learning approach to image denoising a network is trained to recover a clean image from a noisy one. In this paper a novel structure is proposed based on training multiple specialized networks as opposed to existing structures…

图像与视频处理 · 电气工程与系统科学 2020-12-01 Seyed Mohsen Hosseini

We present a method for training a neural network to perform image denoising without access to clean training examples or access to paired noisy training examples. Our method requires only a single noisy realization of each training example…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Nick Moran , Dan Schmidt , Yu Zhong , Patrick Coady

This work studies Hyperspectral image (HSI) super-resolution (SR). HSI SR is characterized by high-dimensional data and a limited amount of training examples. This exacerbates the undesirable behaviors of neural networks such as…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Ke Li , Dengxin Dai , Ender Konukoglu , Luc Van Gool

Recent advances in deep learning have led to significant improvements in single image super-resolution (SR) research. However, due to the amplification of noise during the upsampling steps, state-of-the-art methods often fail at…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Angel Villar-Corrales , Franziska Schirrmacher , Christian Riess

The denoising of magnetic resonance (MR) images is a task of great importance for improving the acquired image quality. Many methods have been proposed in the literature to retrieve noise free images with good performances. Howerever, the…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Dongsheng Jiang , Weiqiang Dou , Luc Vosters , Xiayu Xu , Yue Sun , Tao Tan

High resolution magnetic resonance (MR) imaging is desirable in many clinical applications due to its contribution to more accurate subsequent analyses and early clinical diagnoses. Single image super resolution (SISR) is an effective and…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Xiaole Zhao , Yulun Zhang , Tao Zhang , Xueming Zou

Hyperspectral image (HSI) denoising is of crucial importance for many subsequent applications, such as HSI classification and interpretation. In this paper, we propose an attention-based deep residual network to directly learn a mapping…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Yongsen Zhao , Deming Zhai , Junjun Jiang , Xianming Liu

Image super-resolution and denoising are two important tasks in image processing that can lead to improvement in image quality. Image super-resolution is the task of mapping a low resolution image to a high resolution image whereas…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Rohit Pardasani , Utkarsh Shreemali

High-resolution (HR) information of fluid flows, although preferable, is usually less accessible due to limited computational or experimental resources. In many cases, fluid data are generally sparse, incomplete, and possibly noisy. How to…

流体动力学 · 物理学 2021-07-20 Han Gao , Luning Sun , Jian-Xun Wang