Results 121 to 130 of about 3,387 (229)

Measure-valued images, associated fractal transforms, and the affine self-similarity of images

, 2009
We construct a complete metric space (Y,dY) of measure-valued images, μ:X→M(Rg), where X is the base or pixel space and M(Rg) is the set of probability measures supported on the greyscale range Rg.
D. La Torre, M. F. Barnsley, M. Ebrahimi, E. R. Vrscay   +3 more
core   +1 more source

How Long Is the Coast of Quantum Chemistry? Or, How to Evaluate Density Functional Theory as a Scientific Revolution

Natural Sciences, Volume 6, Issue 3, July 2026.
Within quantum chemistry, density functional theory (DFT) is a revolution. This serves as an example of a multitude of other scientific events, supporting the idea that revolutions are always large, if observed with the appropriate magnification. ABSTRACT Distinguishing scientific revolutions from normal science is a subjective, conflicting matter ...
Sebastian Kozuch
wiley   +1 more source

Image Denoising Algorithm Considering Nonlocal Texture Pattern

Journal of Measurement Science and Instrumentation, 2011
Image denoising is indispensable for image processing.In this paper,image denoising algorithm based on Nonlocal Means（NLM）filter is proposed.Recently,abundant enhancements based on NLM filter have been performed.However,the performance of NLM filter is ...
Sang-wook PARK, Moon-gi KANG
doaj  

Regional Guidance-Based Multiscale Joint Filtering Model for SAR Images

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Synthetic aperture radar (SAR) imaging systems are characterized by their all-weather and day-and-night capabilities, enabling the acquisition of high-resolution ground imagery.
Chuang Sun, Fengcheng Guo, Zhaoling Hu, Lianpeng Zhang, Wensong Liu, Tingting Huang   +5 more
doaj   +1 more source

Far field intensity distributions due to spatial self phase modulation of a Gaussian beam by a thin nonlocal nonlinear media [PDF]

, 2010
In this work we present a simple model that can be used to calculate the far field intensity distributions when a Gaussian beam cross a thin sample of nonlinear media but the response can be ...
MARCELO DAVID ITURBE CASTILLO, SABINO CHAVEZ CERDA   +1 more
core  

A Dialogue on Revolutions and Revolutionaries in Science: A Perspective From Quantum Mechanics

Natural Sciences, Volume 6, Issue 3, July 2026.
ABSTRACT We discuss the notions of scientific revolutions and revolutionaries in the context of the Relativity Revolution and of the First, Second, and Third Quantum Revolutions. We conclude that at the core of the question of what qualifies as a revolution and revolutionary is an assessment of the gradients of knowledge accumulation over time, both at
Ron Folman, Bretislav Friedrich
wiley   +1 more source

RemoteSensingImageSuper-resolutionbyUsingSparseDictionaryandResidualDictionary

工程科学与技术, 2015
:Asuperresolution(SR)methodforremotesensingimagesbasedonsparsedictionaryandstructuralself-similaritywasproposed.Furthermore,comparedwithcorrespondencebetweenLRandHRimagepatchesfromaconventionalSRmethods,twodictionarypairs,
杨晓敏, 吴炜, 干宗良, 严斌宇, 张莹莹   +4 more
doaj  

An Energy‐Corrected Fast Post‐SCF Local‐Hybrid Scheme for Highly Accurate Energy Differences of Large Main‐Group Systems

Journal of Computational Chemistry, Volume 47, Issue 17, 30 June 2026.
A post‐SCF energy‐corrected local‐hybrid scheme, EC(LH)@(m)GGA, is introduced, in which hyper‐meta‐GGA ingredients obtained from inexpensive meta‐GGA or GGA orbitals are used as input for a single local‐hybrid energy evaluation. Using LH25nP as a prototype, this strategy retains the characteristic accuracy and strong‐correlation improvement of the ...
Artur Wodyński, Martin Kaupp
wiley   +1 more source

Controlling Nanoscale Heat With Optically Coupled Plasmonic Systems

Nanophotonics, Volume 15, Issue 12, 25 June 2026.
Optical coupling in plasmonic nanostructures is shown to enable precise spatiotemporal control of nanoscale heat. By engineering near‐field interactions in dimers, trimers, and switchable clusters, thermal energy is asymmetrically distributed, focused into sub‐diffraction volumes, or turned on/off via structural reconfiguration. These design principles
José Luis Montaño‐Priede, Marek Grzelczak   +1 more
wiley   +1 more source

Hot Electron‐Informed Quantum Plasmonics in Nanoparticle‐on‐Mirror Nanocavities

Nanophotonics, Volume 15, Issue 12, 25 June 2026.
A computational model for ultrafast optical modulation of quantum phenomena at plasmonic metal interfaces is developed. Focusing on nanoparticle‐on‐mirror nanocavities, it describes temperature‐induced variations in electronic quantum behavior. This facilitates analysis of quantum plasmonics in non‐equilibrium systems, thereby expanding the realm of ...
Artur Avdizhiyan, Ilya Razdolski, Anton Yu. Bykov   +2 more
wiley   +1 more source