English
Related papers

Related papers: Holistic Information Theory of Spatial Remote Sens…

200 papers

Recently, the joint design of optical systems and downstream algorithms is showing significant potential. However, existing rays-described methods are limited to optimizing geometric degradation, making it difficult to fully represent the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Zheng Ren , Jingwen Zhou , Wenguan Zhang , Jiapu Yan , Bingkun Chen , Huajun Feng , Shiqi Chen

The goal of this thesis is to provide a framework for the use of task-based metrics of image quality to aid in the design, implementation, and evaluation of CT image reconstruction algorithms and CT systems in general. We support the view…

Medical Physics · Physics 2015-05-18 Adrian A. Sanchez

The extraction of information carried by light plays an increasingly important role in optical communication, imaging, and detection. However, the information can only be successfully extracted when the light pulse is comparably strong,…

Optics · Physics 2026-05-25 Zhen Yang , Zeng-Quan Yan , Li Wang , Xiao-Wei Wang , Ka-Di Zhu , Xian-Min Jin

We introduce a method for manifold alignment of different modalities (or domains) of remote sensing images. The problem is recurrent when a set of multitemporal, multisource, multisensor and multiangular images is available. In these…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Devis Tuia , Michele Volpi , Maxime Trolliet , Gustau Camps-Valls

Purpose: To propose a flexible and scalable imaging transformer (IT) architecture with three attention modules for multi-dimensional imaging data and apply it to MRI denoising with very low input SNR. Methods: Three independent attention…

One of the fundamental limits of classical optical microscopy is the diffraction limit of optical resolution. It results from the finite bandwidth of the optical transfer function (or OTF) of an optical microscope, which restricts the…

Optics · Physics 2022-03-11 Sjoerd Stallinga , Niels Radmacher , Antoine Delon , Jörg Enderlein

Existing remote sensing change detection methods are heavily affected by seasonal variation. Since vegetation colors are different between winter and summer, such variations are inclined to be falsely detected as changes. In this letter, we…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Tiange Zhang , Feng Gao , Junyu Dong , Qian Du

Generating hyperspectral images (HSIs) from RGB images through spectral reconstruction can significantly reduce the cost of HSI acquisition. In this paper, we propose a Fractal-Based Recursive Spectral Reconstruction Network (FRN), which…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Ge Meng , Zhongnan Cai , Ruizhe Chen , Jingyan Tu , Yingying Wang , Yue Huang , Xinghao Ding

A reconfigurable intelligent surface (RIS) endows a wireless channel with programmability that can be leveraged to optimize wireless information transfer. While many works study algorithms for optimizing such a programmable channel,…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Albert Salmi , Ville Viikari , Philipp del Hougne

WiFi-based imaging enables pervasive sensing in a privacy-preserving and cost-effective way. However, most of existing methods either require specialized hardware modification or suffer from poor imaging performance due to the fundamental…

Signal Processing · Electrical Eng. & Systems 2021-12-02 Ying He , Dongheng Zhang , Yan Chen

The land cover classification has played an important role in remote sensing because it can intelligently identify things in one huge remote sensing image to reduce the work of humans. However, a lot of classification methods are designed…

Machine Learning · Computer Science 2020-06-16 Fan Zhang , MinChao Yan , Chen Hu , Jun Ni , Fei Ma

Modern digital cameras and smartphones mostly rely on image signal processing (ISP) pipelines to produce realistic colored RGB images. However, compared to DSLR cameras, low-quality images are usually obtained in many portable mobile…

Image and Video Processing · Electrical Eng. & Systems 2021-11-11 Rao Muhammad Umer , Christian Micheloni

For imaging of static object by the means of sequential repeated independent measurements, a theoretical modeling of the behavior of signal-to-noise ratio (SNR) with varying number of measurement is developed, based on the information…

Optics · Physics 2016-03-02 Junhui Li , Bin Luo , Dongyue Yang , Guohua Wu , Longfei Yin , Hong Guo

Purpose: The integration of multimodal imaging into operating rooms paves the way for comprehensive surgical scene understanding. In ophthalmic surgery, by now, two complementary imaging modalities are available: operating microscope (OPMI)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Nikolo Rohrmoser , Ghazal Ghazaei , Michael Sommersperger , Nassir Navab

Vision Transformer models have shown impressive effectiveness in the surgical video understanding tasks through long-range dependency modeling. However, current methods suffer from prohibitive computational costs due to processing massive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xixi Jiang , Chen Yang , Dong Zhang , Pingcheng Dong , Xin Yang , Kwang-Ting Cheng

Super resolution offers a way to harness medium even lowresolution but historically valuable remote sensing image archives. Generative models, especially diffusion models, have recently been applied to remote sensing super resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Songxi Yang , Tang Sui , Qunying Huang

The recent work Local Implicit Image Function (LIIF) and subsequent Implicit Neural Representation (INR) based works have achieved remarkable success in Arbitrary-Scale Super-Resolution (ASSR) by using MLP to decode Low-Resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Zongyao He , Zhi Jin

A central challenge in cellular signal processing is understanding how biochemical networks perform reliably despite molecular noise. Traditionally, mutual information has been widely used to quantify signaling fidelity, capturing how well…

Biological Physics · Physics 2026-02-23 Mintu Nandi , Sosuke Ito

Head-related transfer functions (HRTFs) are crucial for spatial soundfield reproduction in virtual reality applications. However, obtaining personalized, high-resolution HRTFs is a time-consuming and costly task. Recently, deep…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Xingyu Chen , Fei Ma , Yile Zhang , Amy Bastine , Prasanga N. Samarasinghe

Complex Semi-Definite Programming (SDP) is introduced as a novel approach to phase retrieval enabled control of monochromatic light transmission through highly scattering media. In a simple optical setup, a spatial light modulator is used…

‹ Prev 1 8 9 10 Next ›