Vision Sciences Society
Faculty for Undergraduate Neuroscience
New York Academy of Sciences
We use psychophysical techniques, image processing, and current knowledge of visual neurophysiology to try to understand how the visual system processes visual information to result in our perception of the environment. Past areas of research have included the perception of 3-dimensional shape from 2-dimensional surface patterns, and the effects of aging on the perception of these patterns. Current research focuses on understanding how various forms of simulated visual impairment, such as blur and cataracts, affect the perception of visual stimuli such as simple patterns, shapes, and text. Results are aimed at contributing to the development of digital visual enhancement algorithms to aid patients with visual impairment on an individualized basis.
Zaidi, Q, Li, A, Wong, C, Cohen, E, and Meng, X. Hardwired and plastic mechanisms in 3-D shape perception, in Shape Perception in Human and Computer Vision: An interdisciplinary Perspective, edited by Dickinson and Pizlo, Springer (2013).
Tam, D.M., Shin, J., & Li, A. (2013) Dominance of orientation over frequency in the perception of 3D slant and shape, PLoS ONE, 8(5):e64958.
Fowler, M. & Li, A. (2013) Effects of texture component orientation on orientation flow visibility for 3D shape perception, PLoS ONE, 8(1):e53556.
Li A, Zaidi Q, (2009) Release from Cross-Orientation Suppression Facilitates 3D Shape Perception, PLoS ONE, 4 (12): e8333.
Filangieri, C. & Li, A. (2009) Three-dimensional shape from second-order orientation flows, Vision Research, 49 (11): 1465-1471.
Li, A., Tzen, B., Yadgarova, A. & Zaidi, Q. (2008) Neural basis of 3-D shape aftereffects, Vision Resesarch, 48, 244-252.
Li, A. (2008) Visuo-motor plasticity experienced using prism adaptation in a classroom setting, Journal of Undergraduate Neuroscience Education, 7(1):A13-A18.
Zaidi, Q. & Li, A. (2006) Three-dimensional shape from chromatic orientation flows, Visual Neuroscience, 23, 323-330.
Li, A. & Zaidi, Q. (2004) Three-dimensional shape from non-homogeneous textures: carved and stretched surfaces, Journal of Vision, 4, 860-878.