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相关论文: Super-resolution in disordered media using neural …

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Synthesizing a densely sampled light field from a single image is highly beneficial for many applications. Moreover, jointly solving both angular and spatial super-resolution problem also introduces new possibilities in light field imaging.…

图像与视频处理 · 电气工程与系统科学 2020-06-30 Andre Ivan , Williem , In Kyu Park

Super-resolution is a fundamental problem in computer vision which aims to overcome the spatial limitation of camera sensors. While significant progress has been made in single image super-resolution, most algorithms only perform well on…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Xiangyu Xu , Yongrui Ma , Wenxiu Sun , Ming-Hsuan Yang

We propose a neural network-based real-time volume rendering method for realistic and efficient rendering of volumetric media. The traditional volume rendering method uses path tracing to solve the radiation transfer equation, which…

图形学 · 计算机科学 2024-01-26 Shun Fang , Xing Feng , Ming Cui

Three-dimensional (3D) high-resolution imaging is essential in microscopy, yet light scattering poses significant challenges in achieving it. Here, we present an approach to holographic imaging of spatially incoherent objects through…

光学 · 物理学 2025-02-04 YoonSeok Baek , Hilton B. de Aguiar , Sylvain Gigan

Recording and identifying faint objects through atmospheric scattering media by an optical system are fundamentally interesting and technologically important. In this work, we introduce a comprehensive model that incorporates contributions…

光学 · 物理学 2024-04-24 Libang Chen , Jun Yang , Lingye Chen , Yuyang Shui , Yikun Liu , Jianying Zhou

Light scattering in disordered media plays an important role in various areas of applied science from biophysics to astronomy. In this paper we study two approaches to calculate scattering properties of semi-infinite densely packed media…

计算物理 · 物理学 2023-04-12 Sofia Ponomareva , Alexey A. Shcherbakov

Extending super-resolution imaging techniques to objects hidden in strongly scattering media potentially revolutionize the technical analysis for much broader categories of samples, such as biological tissues. The main challenge is the…

With the recent advancement in deep learning, we have witnessed a great progress in single image super-resolution. However, due to the significant information loss of the image downscaling process, it has become extremely challenging to…

计算机视觉与模式识别 · 计算机科学 2018-04-11 Zhifei Zhang , Zhaowen Wang , Zhe Lin , Hairong Qi

The spatial structure of the inhomogeneity in a disordered medium determines how waves scatter and propagate in it. We present a theoretical model of how the Fourier components of the disorder control wave scattering in a two-dimensional…

光学 · 物理学 2023-10-03 Zhun-Yong Ong

Non-invasive detection of objects embedded inside an optically scattering medium is essential for numerous applications in engineering and sciences. However, in most applications light at visible or near-infrared wavebands is scattered by…

Image superresolution methods process an input image sequence of a scene to obtain a still image with increased resolution. Classical approaches to this problem involve complex iterative minimization procedures, typically with high…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Carlos Miravet , Francisco B. Rodriguez

The recent phenomenal interest in convolutional neural networks (CNNs) must have made it inevitable for the super-resolution (SR) community to explore its potential. The response has been immense and in the last three years, since the…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Khizar Hayat

This paper proposes an explicit way to optimize the super-resolution network for generating visually pleasing images. The previous approaches use several loss functions which is hard to interpret and has the implicit relationships to…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Tomoki Yoshida , Kazutoshi Akita , Muhammad Haris , Norimichi Ukita

Super-resolution aims at increasing image resolution by algorithmic means and has progressed over the recent years due to advances in the fields of computer vision and deep learning. Convolutional Neural Networks based on a variety of…

图像与视频处理 · 电气工程与系统科学 2020-08-11 M. U. Müller , N. Ekhtiari , R. M. Almeida , C. Rieke

Recently, it has been shown that in super-resolution, there exists a tradeoff relationship between the quantitative and perceptual quality of super-resolved images, which correspond to the similarity to the ground-truth images and the…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Jun-Ho Choi , Jun-Hyuk Kim , Manri Cheon , Jong-Seok Lee

Multi-image super-resolution, which aims to fuse and restore a high-resolution image from multiple images at the same location, is crucial for utilizing satellite images. The satellite images are often occluded by atmospheric disturbances…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Minji Lee

Imaging through scattering media is encountered in many disciplines or sciences, ranging from biology, mesescopic physics and astronomy. But it is still a big challenge because light suffers from multiple scattering is such media and can be…

神经与进化计算 · 计算机科学 2017-08-29 Meng Lyu , Hao Wang , Guowei Li , Guohai Situ

We study array imaging of a sparse scene of point-like sources or scatterers in a homogeneous medium. For source imaging the sensors in the array are receivers that collect measurements of the wave field. For imaging scatterers the array…

数值分析 · 数学 2015-07-03 Liliana Borcea , Ilker Kocyigit

Light passing through scattering media will be strongly scattered and diffused into complex speckle pattern, which contains almost all the spatial information and spectral information of the objects. Although various methods have been…

光学 · 物理学 2019-02-04 Lei Zhu , Jietao Liu , Lei Feng , Chengfei Guo , Tengfei Wu , Xiaopeng Shao

The representation of consistent mixed reality (XR) environments requires adequate real and virtual illumination composition in real-time. Estimating the lighting of a real scenario is still a challenge. Due to the ill-posed nature of the…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Bruno Augusto Dorta Marques , Esteban Walter Gonzalez Clua , Anselmo Antunes Montenegro , Cristina Nader Vasconcelos