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Spatial Frequency

Known as: Frequency 
The number of occurrences of something within a given spatial interval.
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2015
2015
Classification of textures in satellite image with Gabor filters and a multi layer perceptron with back propagation algorithm obtaining high accuracy
The classification of images, in many cases, is applied to identify an alphanumeric string, a facial expression or any other… 
2014
2014
SELF-ORGANIZATION FEATURE MAP BASED ON VQ COMPONENTS TO SOLVE IMAGE CODING PROBLEM
This paper present image coding which is gained many researchers attention in order to improve the quality of image after the… 
2013
2013
Precision asphere polishing with MRF technology and Subaperture Stitching Interferometry
The paper presents results of aspheric lens manufacturing in Infrared Technology and Thermovision Section in Military University… 
Review
2012
Review
2012
Applying the Ambisonics Approach to Planar and Linear Distributions of Secondary Sources and Combinations Thereof
Near-field Compensated Higher Order Ambisonics (NFC-HOA) is an approach to the physical synthesis of sound fields. The typical… 
2007
2007
7B-3 Direct Estimation of Shear Modulus using Spatially Modulated Acoustic Radiation Force Impulses
We present a method for estimating the shear modulus of tissue using impulsively applied acoustic radiation force with a specific… 
2004
2004
Human Visual System Models in Digital Image Watermarking
In this paper some Human Visual System (HVS) models used in digital image watermarking are presented. Four different HVS models… 
1999
1999
On the persistence of spatiotemporal oscillations generated by invasion
Many systems in biology and chemistry are oscillatory, with a stable, spatially homogeneous steady state which consists of… 
Highly Cited
1996
Highly Cited
1996
Surface-enhanced second-harmonic diffraction: Experimental investigation of selective enhancement.
Recent theoretical predictions demonstrating large enhancements of second-harmonic diffraction through the control of surface… 
1996
1996
Motion Portrayal, Eye Tracking, and Emerging Display Technology
This paper explores how the temporal characteristics of image capture devices and image display devices interact with eye… 
1992
1992
Gray scale response from optically addressed spatial light modulators incorporating surface-stabilized ferroelectric liquid crystals.
We demonstrate the capability of optically addressed spatial light modulators that incorporate surfacestabilized ferroelectric… 
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