Results 91 to 100 of about 23,076,964 (227)

MRChem Multiresolution Analysis Code for Molecular Electronic Structure Calculations: Performance and Scaling Properties. [PDF]

open access: yesJ Chem Theory Comput, 2023
Wind P   +6 more
europepmc   +1 more source

The multiresolution Fourier transform : a general purpose tool for image analysis [PDF]

open access: yes
The extraction of meaningful features from an image forms an important area of image analysis. It enables the task of understanding visual information to be implemented in a coherent and well defined manner.
Calway, Andrew David
core  

Localizing Wireless Sensors with Diverse Granularities in Wireless Sensor Networks

open access: yesInternational Journal of Distributed Sensor Networks, 2015
To obtain accurate location information of individual sensor nodes is of vital importance in wireless sensor networks (WSNs), especially for objective tracking applications. However, it is challenging to acquire fine-grained localization accuracy because
Xiaoyan Yin   +5 more
doaj   +1 more source

DIAGNOSTIC OF THE COMBUSTION PROCESS USING THE ANALYSIS OF CHANGES IN FLAME LUMINOSITY

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2019
Monitoring of the combustion process is carried out in order to ensure its efficiency and stability. Selected aspects of the combustion process diagnostics using the analysis of changes in flame luminosity for two configurations: 100% pulverized coal ...
Żaklin Grądz, Joanna Styczeń
doaj   +1 more source

An affine symmetric image model and its applications [PDF]

open access: yes, 2010
Natural images contain considerable redundancy, some of which is successfully captured using recently developed directional wavelets. In this paper, an affine symmetric image model is considered.
Park, Heechan   +2 more
core   +1 more source

Compressive Data Hiding: An Unconventional Approach for Improved Color Image Coding

open access: yesEURASIP Journal on Advances in Signal Processing, 2002
Traditionally, data hiding and compression have had contradictory goals. The former problem adds perceptually irrelevant information in order to embed data, while the latter removes this irrelevancy and redundancy to reduce storage requirements. In this
Kundur Deepa   +3 more
doaj   +1 more source

Virtual Microphones for Multichannel Audio Resynthesis

open access: yesEURASIP Journal on Advances in Signal Processing, 2003
Multichannel audio offers significant advantages for music reproduction, including the ability to provide better localization and envelopment, as well as reduced imaging distortion.
Mouchtaris Athanasios   +2 more
doaj   +1 more source

Behaviour of image degradation model in multiresolution

open access: yes, 2000
Multiresolution techniques are being extensively used in signal processing literature. This paper has two parts, in the first part we derive a relationship between the general degradation model (Y=BX+W) at coarse and fine resolutions.
P. Corke   +5 more
core   +1 more source

Sonar Image Fusion Research Based on Piella Framework

open access: yes工程科学与技术, 2015
:Against the complex architecture of weighted average multiresolution image fusion algorithm that based on the Piella framework, and fusion rules do not adequately take into account the human visual characteristics, an extended multiresolution image ...
王达, 卞红雨
doaj  

On frame multiresolution analysis

open access: yes, 2003
We use the freedom in frame multiresolution analysis to construct tight wavelet frames (even in the case where the refinable function does not generate a tight frame).
Christensen, Ole
core  

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