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Ultrasound-Based Wearable for Older Chronic Back Pain Patients: A Requirement Analysis of a User Interface for Biofeedback. [PDF]

open access: yesGeriatrics (Basel)
Perotti L   +9 more
europepmc   +1 more source
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Elements of visual language

[Proceedings] 1988 IEEE Workshop on Visual Languages, 2003
The authors propose a structural classification and vocabulary for visual languages. The visual grammars that comprises the elements of such a language is defined. The usual elements are composed of: (1) the visual alphabet, a set of visual primitives in a visual language; (2) the visual syntax, compositions of primitives to form visual statements; (3)
Ted Selker, Larry Koved
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Elements of visual performance

Lighting Research & Technology, 1982
Visual performance is the combined result of foveal and extrafoveal perception per glimpse and saccadic eye movements. These processes are linked to the contrast metric of visibility as developed by Blackwell. The concept of visibility lobes per glimpse related to foveal visibility levels and simple strategies of ocular scanning provide an operational ...
B. Inditsky, H.W. Bodmann, H.J. Fleck
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