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Surface reconstruction is a vital tool in a wide range of areas of medical image analysis and clinical research. Despite the fact that many methods have proposed solutions to the reconstruction problem, most, due to their deterministic…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Katarína Tóthová , Sarah Parisot , Matthew C. H. Lee , Esther Puyol-Antón , Lisa M. Koch , Andrew P. King , Ender Konukoglu , Marc Pollefeys

We propose a direct reconstruction algorithm for Computed Tomography, based on a local fusion of a few preliminary image estimates by means of a non-linear fusion rule. One such rule is based on a signal denoising technique which is…

计算机视觉与模式识别 · 计算机科学 2010-04-27 Joseph Shtok , Michael Zibulevsky , Michael Elad

This paper presents a new variational inference framework for image restoration and a convolutional neural network (CNN) structure that can solve the restoration problems described by the proposed framework. Earlier CNN-based image…

图像与视频处理 · 电气工程与系统科学 2022-07-20 Jae Woong Soh , Nam Ik Cho

Conventional photoacoustic imaging may suffer from the limited view and bandwidth of ultrasound transducers. A deep learning approach is proposed to handle these problems and is demonstrated both in simulations and in experiments on a…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Guillaume Godefroy , Bastien Arnal , Emmanuel Bossy

In this work we present a deep learning framework for video compressive sensing. The proposed formulation enables recovery of video frames in a few seconds at significantly improved reconstruction quality compared to previous approaches.…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Michael Iliadis , Leonidas Spinoulas , Aggelos K. Katsaggelos

In this paper we present a generalized Deep Learning-based approach for solving ill-posed large-scale inverse problems occuring in medical image reconstruction. Recently, Deep Learning methods using iterative neural networks and cascaded…

图像与视频处理 · 电气工程与系统科学 2020-08-26 Andreas Kofler , Markus Haltmeier , Tobias Schaeffter , Marc Kachelrieß , Marc Dewey , Christian Wald , Christoph Kolbitsch

Phase retrieval algorithms have become an important component in many modern computational imaging systems. For instance, in the context of ptychography and speckle correlation imaging, they enable imaging past the diffraction limit and…

Recent advances in photoacoustic (PA) imaging have enabled detailed images of microvascular structure and quantitative measurement of blood oxygenation or perfusion. Standard reconstruction methods for PA imaging are based on solving an…

信号处理 · 电气工程与系统科学 2020-04-17 MinWoo Kim , Geng-Shi Jeng , Ivan Pelivanov , Matthew O'Donnell

This is a review paper on some of the physics, modeling, and iterative algorithms in proton computed tomography (pCT) image reconstruction. The primary challenge in pCT image reconstruction lies in the degraded spatial resolution resulting…

医学物理 · 物理学 2015-10-30 Scott Penfold , Yair Censor

Deep learning has played a major role in the interpretation of dermoscopic images for detecting skin defects and abnormalities. However, current deep learning solutions for dermatological lesion analysis are typically limited in providing…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Gun-Hee Lee , Han-Bin Ko , Seong-Whan Lee

Concept-based approaches, which aim to identify human-understandable concepts within a model's internal representations, are a promising method for interpreting embeddings from deep neural network models, such as CLIP. While these…

机器学习 · 计算机科学 2025-06-18 Jitian Zhao , Chenghui Li , Frederic Sala , Karl Rohe

Compressed Sensing MRI (CS-MRI) aims at reconstructing de-aliased images from sub-Nyquist sampling k-space data to accelerate MR Imaging, thus presenting two basic issues, i.e., where to sample and how to reconstruct. To deal with both…

图像与视频处理 · 电气工程与系统科学 2022-07-27 Jingfen Xie , Jian Zhang , Yongbing Zhang , Xiangyang Ji

Although sparse-view computed tomography (CT) has significantly reduced radiation dose, it also introduces severe artifacts which degrade the image quality. In recent years, deep learning-based methods for inverse problems have made…

图像与视频处理 · 电气工程与系统科学 2024-01-02 Shuo Xu , Yucheng Zhang , Gang Chen , Xincheng Xiang , Peng Cong , Yuewen Sun

Traditional algorithms for compressive sensing recovery are computationally expensive and are ineffective at low measurement rates. In this work, we propose a data driven non-iterative algorithm to overcome the shortcomings of earlier…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Suhas Lohit , Kuldeep Kulkarni , Ronan Kerviche , Pavan Turaga , Amit Ashok

To have a superior generalization, a deep learning neural network often involves a large size of training sample. With increase of hidden layers in order to increase learning ability, neural network has potential degradation in accuracy.…

机器学习 · 计算机科学 2019-01-01 Lianfa Li , Ying Fang , Jun Wu , Jinfeng Wang

A deep image compression scheme is proposed in this paper, offering the state-of-the-art compression efficiency, against the traditional JPEG, JPEG2000, BPG and those popular learning based methodologies. This is achieved by a novel…

图像与视频处理 · 电气工程与系统科学 2019-02-28 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Zhan Ma

In this study, a novel illuminant color estimation framework is proposed for computational color constancy, which incorporates the high representational capacity of deep-learning-based models and the great interpretability of…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Jueqin Qiu , Haisong Xu , Zhengnan Ye

In this work we address the problem of real-time dynamic medical MRI and X Ray CT image reconstruction from parsimonious samples Fourier frequency space for MRI and sinogram tomographic projections for CT. Today the de facto standard for…

图像与视频处理 · 电气工程与系统科学 2019-12-17 Janki Mehta , Angshul Majumdar

The ability to synthesise Computed Tomography images - commonly known as pseudo CT, or pCT - from MRI input data is commonly assessed using an intensity-wise similarity, such as an L2-norm between the ground truth CT and the pCT. However,…

Perceptual image restoration seeks for high-fidelity images that most likely degrade to given images. For better visual quality, previous work proposed to search for solutions within the natural image manifold, by exploiting the latent…

图像与视频处理 · 电气工程与系统科学 2021-03-05 Chaoyi Han , Yiping Duan , Xiaoming Tao , Jianhua Lu