Ahumada Web Papers
(By Date, most recent first. Last update: 5 February 2001)
Masking in color images
(SPIE Proceedings 4299, 2001).
Discriminability measures for
predicting readability of text on textured backgrounds
(Optics Express, 2000).
Detection of distortion in small moving images
compared to the predictions of spatio-temporal model
(SPIE Proc. Vol. 3959, 2000).
Template learning models for visual target detection
in fixed and random noise.
Detection in fixed and random noise in foveal and parafoveal
vision explained by template learning. (JOSA A, 1999).
Image Discrimination Models for
Object Detection in Natural Backgrounds
(NATO SCI-12 Workshop, Utrecht, The Netherlands, 1999)
Spatio-temporal discrimination model predicting IR target detection
(SPIE Proc. Vol. 3644, 1999)
Discriminability Measures for Predicting Readability
(SPIE Proc. Vol. 3644, 1999)
Nonlinear features in vernier acuity
(SPIE Proc. Vol. 3644, 1999)
A Simple Vision Model for Inhomogeneous Image Quality Assessment
(SID Digest Vol. 29, 1998)
Spatio-temporal discrimination model
predicts temporal masking functions
(SPIE Proc. Vol. 3299, 1998)
Technique to extract relevant image features for visual tasks.
(SPIE Proceedings Vol. 3299, 1998)
Object Detection in Natural Backgrounds Predicted by
Discrimination Performance and Models
(Vision Res., 1997)
Image Discrimination Models Predict
Detection in Fixed but not Random Noise
(JOSA A, 1997)
Image Discrimination Models: Detection in Fixed and Random Noise
(SPIE Proc., 1997)
Simplified Vision Models for Image Quality Assessment
(SID Meeting Digest, 1996)
Object Detection in a Noisy Scene (SPIE Proc., 1996)
Calibration of a Visual System with Receptor Drop-out
(Exploratory Vision, 1995)
A Comparison of Image Quality Models and Metrics Predicting Object Detection
(SID Meeting Digest, 1995)
A
Fast DCT Block Smoothing Algorithm (VCIP Proc., 1995)
Smoothing
DCT Compression Artifacts (SID Meeting Digest, 1994)
De-blocking DCT Compressed Images (SPIE Proc., 1994)
Enhancing displays by blurring (SID Meeting Digest, 1994)
Visibility of DCT Basis Functions: Effects of Display Resolution
(DCC Proc., 1994)
Visibility of DCT basis functions: Effects of contrast masking
(DCC Proc., 1994)
DCT Basis Function Visibility: Effects of Viewing Distances and Contrast Masking
(SPIE Proc., 1994)
Visibility of DCT quantization noise: Effects of display resolution
(SID Meeting Digest, 1994)
Image Quality: A Multidimensional Problem
(Digital Images and Human Vision, 1993)
Computational image quality metrics: a review.
(SID Meeting Digest, 1993)
The visibility of DCT quantization noise (SID Meeting Digest, 1993)
An Improved Detection Model for DCT Coefficient Quantization (1993)
Luminance-Model-Based DCT Quantization for Color Image Compression
(SPIE Proc., 1992)
Network compensation for missing sensors (SPIE Proc., 1991)
A hexagonal
orthogonal-oriented pyramid as a model of image representation in visual
cortex (IEEE Trans. BE, 1989)
Reconstructing Irregularly Sampled Images by Neural Networks
(SPIE Proc., 1989)
An
orthogonal oriented quadrature hexagonal image pyramid (NASA TM, 1987)
Window
of visibility: psychophysical theory of fidelity in time-sampled visual
motion displays (JOSA A, 1986)
Model
of human visual-motion sensing (JOSA A, 1985)
A
look at motion in the frequency domain (NASA TM, 1983)