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)