Referencias CSF

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CSFs

csfReferencias a distintos modelos matemáticos de la Contrast Sensitivity Function.

Mannos_Sakrison_1974

 H(f) = 2.6(0.0192+0.114f)e^{-(0.114f)^{1.1}}

Modelo usado en :

Rushmeier_etal_1995
Gaddipati_Machiraju_Yagel_1997
Taubman_Marcellin_2002
Moumkine_tamtaoui_ouahman_2006
Bajit_Nahid_Tamtaoui_Bouyakhf_2007a

Nill_1985

H(f) = (0.2 + 0.45f) e^{-0.18f}

Ngan_Leong_Singh_1989

H(f) = (0.31+0.69f) e^(-0.29f)

Chitprasert_Rao_1990

H(f) = 0.246(0.1+0.25f)e^{-0.25f}

 

Modelo usado en:

Miloslavski_Ho_1998,

Chandler_Hemami_2005

Realmente proporcionan no la curva CSF sino los valores de threshold para su modelo.

CT(s) = 22.4 \cdot f_s^{0.28 \cdot log_{10} f_s^{-0.15}} \cdot 10^{-3}

@ARTICLE{57501, 
author={Chitprasert, B. and Rao, K.R.}, 
journal={Communications, IEEE Transactions on}, 
title={Human visual weighted progressive image transmission}, 
year={1990}, 
month={Jul}, 
volume={38}, 
number={7}, 
pages={1040-1044}, 
keywords={encoding;picture processing;visual communication;DCT domain;discrete cosine transform;hierarchical image buildup;human visual system;image coding;modulation transfer function;progressive image transmission;transform coding;weighted variances;Discrete cosine transforms;Humans;Image coding;Image communication;Image reconstruction;Magnetic resonance imaging;Picture archiving and communication systems;Transfer functions;Transform coding;Visual system}, 
doi={10.1109/26.57501}, 
ISSN={0090-6778},}

 

Publicado en Perceptual Coding.