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Pixel-Based Swallow Measurements: Correcting Nonsquare Pixels

Journal of Speech, Language, and Hearing Research, 2023
Purpose: This research note illustrates the effects of video data with nonsquare pixels on the pixel-based measures obtained from videofluoroscopic swallow studies (VFSS). Method: Six pixel-based distance and area measures were obtained from two different videoflouroscopic study ...
Deirdre Larsen   +6 more
openaire   +2 more sources

Pixellated circle

Applied Optics, 2018
For applications in optical systems it is often necessary to represent a circular aperture in a pixellated form. An objective parameter is introduced that is a measure of how well an approximate circle can be generated from a small array of square pixels. Both filled circles (disks) and rings are considered.
openaire   +3 more sources

Colorado 14ers, Pixel by Pixel

International Journal of Applied Geospatial Research, 2011
This document describes a capstone learning exercise designed for undergraduates enrolled in an introductory geospatial tools course. The overarching theme of the exercise, Colorado 14ers, Pixel by Pixel, is mountain geography. While immersed in a digital mountainous landscape, students explore topics of geomorphology and geomorphometry and discover ...
openaire   +1 more source

Range From Focus Pixel-by -Pixel

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2005
We describe a nd demonstrate an ambient lllumlnation method for range Imaging In parallel with and using the same sensor that is used for Intensity Imaging. Our method automates the well known "range-from-focus" method. It makes use of our reaiizatlon that range can be calculated directly from a focus error signal: It is not necessary to actually focus
M.W. Siegel, M.L. Leary
openaire   +1 more source

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