Projects
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The Macular Mapping Test
The Macular Mapping Test (MMT) is a tool for the assessment of the topography of vision. It is a quick and low-cost alternative to conventional perimetry in practical low vision care.
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The Macular Search Test
We introduced a novel approach to topographic function assessment in visual impairment that requires neither fixation nor reading.
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The Smith-Kettlewell Haptics Symposium
Date: Thursday, March 29, 2018
Location: The Smith-Kettlewell Eye Research Institute, 2318 Fillmore Street, San Francisco, CA 94115
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The window of spatial attention in reading
In reading, visual information is extracted from a window around the gaze. For the first time, we looked at effects of word's processing load on the dynamics of this window over the course of a fixation when sequential saccades are made.
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Tutorials and Reference
These are tutorials and reference materials I have written on various topics in probability and geometry over the years.
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Video Description Research and Development Center
The Smith-Kettlewell Video Description Research and Development Center (VDRDC) investigates innovative technologies and techniques for making online video more accessible to blind and visually-impaired students and consumers.
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Video-Based Speech Enhancement for Persons with Hearing and Vision Loss
Observing the visual cues from a speaker such as the shape of the lips and facial expression can greatly improve the speech comprehension capabilities of a person with hearing loss. However, concurrent vision loss can lead to a significant loss in speech perception. We propose developing a prototype device that utilizes a video camera in addition to audio input to enhance the speech signal from a target speaker in everyday situations.
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Visual Cortical Function in Very Low Birth Weight Infants
Preterm infants are at high risk of visual and neural developmental deficits. We used swept parameter visual evoked potential (sVEP) to determine whether premature birth alters visual cortical function.
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