Modeling spatial integration and contrast invariance in visual pattern discrimination

Investigative Ophthalmology and Visual Science

Volumn 38, Issue 1, 1997, Pages 260-266

  Näsänen, Risto E ^a   Kukkonen, Heljä T ^a   Rovamo, Jyrki M ^a  

^a CARDIFF UNIVERSITY   (United Kingdom)

Author keywords

ideal observer; noise; orientation; pattern discrimination; spatial integration

Indexed keywords

ARTICLE; COMPUTER SIMULATION; CONTRAST; HUMAN; HYPERMETROPIA; MEMORY; MODEL; MYOPIA; NOISE; PRIORITY JOURNAL; VISUAL DISCRIMINATION;

CONTRAST SENSITIVITY; HUMANS; MATHEMATICS; MODELS, BIOLOGICAL; PATTERN RECOGNITION, VISUAL; SPACE PERCEPTION;

EID: 1842403612     PISSN: 01460404     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. Regan D, Beverley KI. Postadaptation orientation discrimination. J Opt Soc Am A. 1985;2:147-155.
2. Smith BG, Thomas JP. Why are some spatial discriminations independent of contrast. J Opt Soc Am A. 1989;6:713-724.
3. Bowne SF. Contrast discrimination cannot explain spatial frequency, orientation or temporal frequency discrimination. Vision Res. 1990;30:449-461.
4. Näsänen RE, Kukkonen HT, Rovamo JM. A window model for spatial integration in human pattern discrimination. Invest Ophthalmol Vis Sci. 1995;36:1855-1862.
5. Nakayama K. The iconic bottleneck and the tenuous link between early visual processing and perception. In: Blakemore C, ed. Vision: Coding and efficiency. New York: Cambridge University Press; 1990:411-422.
6. Burgess AE. High level of visual decision efficiencies. In: Blakemore C, ed. Vision: Coding and Efficiency. New York: Cambridge University Press; 1990:431-440.
7. Duda RO, Hart PE, Pattern Classification and Scene Analysis. New York: John Wiley & Sons; 1973.
8. Tjan BS, Braje WL, Legge GE, Kersten D. Human efficiency for recognizing 3-D objects in luminance noise. Vision Res. 1995;21:3053-3069.
9. Rovamo J, Luntinen O, Näsänen R. Modelling the dependence of contrast sensitivity on grating area and spatial frequency. Vision Res. 1993;33:2773-2788.
10. Legge GE, Kersten D, Burgess AE. Contrast discrimination in noise. J Opt Soc Am A. 1987;4:391-404.
11. Thomas JP. Underlying psychometric function for detecting gratings and identifying spatial frequency. J Opt Soc Am. 1983;73:751-758.
12. Legge GE, Foley JM. Contrast masking in human vision. J Opt Soc Am. 1980;70:1458-1471.
13. Näsänen R, Syväjärvi A, Rovamo J. Effect of image orientation contents on detection efficiency. Vision Res., In press.