Spatial Frequency

A multistage perceptual quality assessment for compressed digital angiogram images

Engineering / Mathematics / Algorithms / Nonlinear dynamics / Fourier Analysis / Humans / Image Reconstruction / Feasibility Studies / Contrast sensitivity / Feedback / Spatial Frequency / Pilot study / Coronary Angiography / Sensitivity and Specificity / Human Visual System / Peak Signal to Noise Ratio (PSNR) / Embedded Zerotree Wavelet / Compression Ratio / Humans / Image Reconstruction / Feasibility Studies / Contrast sensitivity / Feedback / Spatial Frequency / Pilot study / Coronary Angiography / Sensitivity and Specificity / Human Visual System / Peak Signal to Noise Ratio (PSNR) / Embedded Zerotree Wavelet / Compression Ratio

Phase retrieval from experimental far-field speckle data

Optics / Quantum Physics / Medical Imaging / Fiber Optics / Telecommunications / Photonics / Phase Retrieval / Society / Image Reconstruction / Optical / Light / Spatial Frequency / Optical physics / Fourier transform / Data Processing / Electrical And Electronic Engineering / Photonics / Phase Retrieval / Society / Image Reconstruction / Optical / Light / Spatial Frequency / Optical physics / Fourier transform / Data Processing / Electrical And Electronic Engineering

Função de Sensibilidade ao Contraste: Indicador da Percepção Visual da Forma e da Resolução Espacial

Visual perception / Visual acuity / Spatial Frequency / Spatial resolution / Human Visual System

Processamento visual da forma em idosos: curvas de limiar de contraste para freqüências angulares e senoidais

Visual acuity / Visual Processing / Young Adult / Contrast sensitivity / Spatial Frequency / Age Groups

Phase retrieval from experimental far-field speckle data

Optics / Quantum Physics / Medical Imaging / Fiber Optics / Telecommunications / Photonics / Phase Retrieval / Society / Image Reconstruction / Optical / Light / Spatial Frequency / Optical physics / Fourier transform / Data Processing / Electrical And Electronic Engineering / Photonics / Phase Retrieval / Society / Image Reconstruction / Optical / Light / Spatial Frequency / Optical physics / Fourier transform / Data Processing / Electrical And Electronic Engineering

Função de Sensibilidade ao Contraste: Indicador da Percepção Visual da Forma e da Resolução Espacial

Visual perception / Visual acuity / Spatial Frequency / Spatial resolution / Human Visual System

Processamento visual da forma: análise de sistema linear e alguns paradigmas psicofísicos

Visual Processing / Fourier Analysis / Spatial Frequency / Linear System / Spatial Filtering / Human Visual System

Processamento visual da forma em idosos: curvas de limiar de contraste para freqüências angulares e senoidais

Visual acuity / Visual Processing / Young Adult / Contrast sensitivity / Spatial Frequency / Age Groups

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