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相关论文: Light Field Reconstruction Using Convolutional Net…

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Light field reconstruction from images captured by focal plane sweeping, such as light field moment imaging (LFMI) and light field reconstruction with back projection (LFBP), can achieve high lateral resolution comparable to the modern…

光学 · 物理学 2018-05-23 Haichao Wang , Ni Chen , Jingdan Liu , Guohai Situ

Fluorescence microscopy images usually show severe anisotropy in axial versus lateral resolution. This hampers downstream processing, i.e. the automatic extraction of quantitative biological data. While deconvolution methods and other…

计算机视觉与模式识别 · 计算机科学 2017-04-06 Martin Weigert , Loic Royer , Florian Jug , Gene Myers

Deep Neural Network (DNN)-based image reconstruction, despite many successes, often exhibits uneven fidelity between high and low spatial frequency bands. In this paper we propose the Learning Synthesis by DNN (LS-DNN) approach where two…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Mo Deng , Shuai Li , George Barbastathis

In this work we introduce a new method that combines Parallel MRI and Compressed Sensing (CS) for accelerated image reconstruction from subsampled k-space data. The method first computes a convolved image, which gives the convolution…

医学物理 · 物理学 2021-09-20 Efrat Shimron , Andrew G. Webb , Haim Azhari

Existing fixed pattern noise reduction (FPNR) methods are easily affected by the motion state of the scene and working condition of the image sensor, which leads to over smooth effects, ghosting artifacts as well as slow convergence rate.…

图像与视频处理 · 电气工程与系统科学 2019-10-23 Juntao Guan , Rui Lai , Ai Xiong , Zesheng Liu , Lin Gu

Reconstructing 3D facial geometry from a single RGB image has recently instigated wide research interest. However, it is still an ill-posed problem and most methods rely on prior models hence undermining the accuracy of the recovered 3D…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Ajmal Mian

Convolution and transposed convolution are fundamental operators widely used in neural networks. However, transposed convolution (a.k.a. deconvolution) does not serve as a true inverse of convolution due to inherent differences in their…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Xuhong Huang , Shiqi Liu , Kai Zhang , Ying Tai , Jian Yang , Hui Zeng , Lei Zhang

With the rise of Extended Reality (XR) technology, there is a growing need for real-time light field reconstruction from sparse view inputs. Existing methods can be classified into offline techniques, which can generate high-quality novel…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Yijie Deng , Lei Han , Tianpeng Lin , Lin Li , Jinzhi Zhang , Lu Fang

Defocus deblurring is a challenging task due to the spatially varying nature of defocus blur. While deep learning approach shows great promise in solving image restoration problems, defocus deblurring demands accurate training data that…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Lingyan Ruan , Bin Chen , Jizhou Li , Miuling Lam

With the effective application of deep learning in computer vision, breakthroughs have been made in the research of super-resolution images reconstruction. However, many researches have pointed out that the insufficiency of the neural…

图像与视频处理 · 电气工程与系统科学 2021-06-11 Yibo Guo , Haidi Wang , Yiming Fan , Shunyao Li , Mingliang Xu

Compared with 2D MRI, 3D MRI provides superior volumetric spatial resolution and signal-to-noise ratio. However, it is more challenging to reconstruct 3D MRI images. Current methods are mainly based on convolutional neural networks (CNN)…

图像与视频处理 · 电气工程与系统科学 2023-06-01 Eric Z. Chen , Chi Zhang , Xiao Chen , Yikang Liu , Terrence Chen , Shanhui Sun

Owing to flexible architectures of deep convolutional neural networks (CNNs), CNNs are successfully used for image denoising. However, they suffer from the following drawbacks: (i) deep network architecture is very difficult to train. (ii)…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Chunwei Tian , Yong Xu , Lunke Fei , Junqian Wang , Jie Wen , Nan Luo

In this paper, we propose a very deep fully convolutional encoding-decoding framework for image restoration such as denoising and super-resolution. The network is composed of multiple layers of convolution and de-convolution operators,…

计算机视觉与模式识别 · 计算机科学 2016-09-02 Xiao-Jiao Mao , Chunhua Shen , Yu-Bin Yang

Since convolutional neural networks (CNNs) perform well at learning generalizable image priors from large-scale data, these models have been extensively applied to image restoration and related tasks. Recently, another class of neural…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang

Magnetic resonance imaging (MRI) is increasingly utilized for image-guided radiotherapy due to its outstanding soft-tissue contrast and lack of ionizing radiation. However, geometric distortions caused by gradient nonlinearity (GNL) limit…

Convolutional Neural Networks (CNNs) have recently been applied to cosmological fields -- weak lensing mass maps and galaxy maps. However, cosmological maps differ in several ways from the vast majority of images that CNNs have been tested…

宇宙学与河外天体物理 · 物理学 2024-03-05 Kunhao Zhong , Marco Gatti , Bhuvnesh Jain

We present a novel, blind, single image deblurring method that utilizes information regarding blur kernels. Our model solves the deblurring problem by dividing it into two successive tasks: (1) blur kernel estimation and (2) sharp image…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Sungkwon An , Hyungmin Roh , Myungjoo Kang

We introduce a novel method for reconstructing the projected matter distributions of galaxy clusters with weak-lensing (WL) data based on convolutional neural network (CNN). Training datasets are generated with ray-tracing through…

宇宙学与河外天体物理 · 物理学 2021-12-30 Sungwook E. Hong , Sangnam Park , M. James Jee , Dongsu Bak , Sangjun Cha

Synthetic Aperture Radar (SAR) images are often contaminated by a multiplicative noise known as speckle. Speckle makes the processing and interpretation of SAR images difficult. We propose a deep learning-based approach called, Image…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Puyang Wang , He Zhang , Vishal M. Patel

Intrinsic image decomposition is the process of recovering the image formation components (reflectance and shading) from an image. Previous methods employ either explicit priors to constrain the problem or implicit constraints as formulated…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Partha Das , Sezer Karaoglu , Theo Gevers