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Optic flow

open access: yesScholarpedia, 2013
Optic flow refers to the image motion of the environment projected on the retina during our movement in the world. The term was first coined by James J. Gibson and played a key role in the development of the ecological approach to visual perception, an approach that emphasizes studying human perception in the natural environment rather than in a ...
Li, L
core   +6 more sources

Optic Flow: A History [PDF]

open access: yesi-Perception, 2021
The concept of optic flow, a global pattern of visual motion that is both caused by and signals self-motion, is canonically ascribed to James Gibson's 1950 book “ The Perception of the Visual World.
Diederick C. Niehorster
doaj   +3 more sources

Morphogenesis and axis specification occur in parallel during optic cup and optic fissure formation, differentially modulated by BMP and Wnt [PDF]

open access: yesOpen Biology, 2019
Optic cup morphogenesis is an intricate process. Especially, the formation of the optic fissure is not well understood. Persisting optic fissures, termed coloboma, are frequent causes for congenital blindness.
Priska Eckert   +4 more
doaj   +1 more source

On Benchmarking Optical Flow [PDF]

open access: yesComputer Vision and Image Understanding, 2001
Summary: Evaluating the performance of optical flow algorithms has been difficult because of the lack of ground truth data sets for complex scenes. We present a new method for generating motion fields from real sequences containing polyhedral objects and present a test suite for benchmarking optical flow algorithms consisting of complex synthetic ...
Brendan McCane   +3 more
openaire   +3 more sources

Jumping and leaping estimations using optic flow. [PDF]

open access: yesPsychon Bull Rev
Optic flow provides information on movement direction and speed during locomotion. Changing the relationship between optic flow and walking speed via training has been shown to influence subsequent distance and hill steepness estimations.
Lin LPY, Linkenauger SA.
europepmc   +6 more sources

Virtual reality—enhanced walking in people post-stroke: effect of optic flow speed and level of immersion on the gait biomechanics

open access: yesJournal of NeuroEngineering and Rehabilitation, 2023
Background Optic flow—the apparent visual motion experienced while moving—is absent during treadmill walking. With virtual reality (VR), optic flow can be controlled to mediate alterations in human walking.
Emma De Keersmaecker   +7 more
doaj   +1 more source

Harbor seals (Phoca vitulina) can perceive optic flow under water. [PDF]

open access: yesPLoS ONE, 2014
Optic flow, the pattern of apparent motion elicited on the retina during movement, has been demonstrated to be widely used by animals living in the aerial habitat, whereas underwater optic flow has not been intensively studied so far.
Nele Gläser   +5 more
doaj   +1 more source

Look where you go: Characterizing eye movements toward optic flow [PDF]

open access: yes, 2021
When we move through our environment, objects in the visual scene create optic flow patterns on the retina. Even though optic flow is ubiquitous in everyday life, it is not well understood how our eyes naturally respond to it.
Knöll, Jonas   +3 more
core   +1 more source

Functional near-infrared spectroscopy during optic flow with and without fixation. [PDF]

open access: yesPLoS ONE, 2018
Individuals with visual vertigo describe symptoms of dizziness, disorientation, and/or impaired balance in environments with conflicting visual and vestibular information or complex visual stimuli.
Carrie W Hoppes   +4 more
doaj   +1 more source

Optical coherence tomography angiography of optic disc perfusion in non-arteritic anterior ischemic optic neuropathy [PDF]

open access: yesInternational Journal of Ophthalmology, 2017
AIM: To compare the optic disc blood flow of non-arteritic ischemic optic neuropathy (NAION) eyes with normal eyes. METHODS: The optic disc blood flow densities of diagnosed non-acute phase NAION eyes (21 eyes, 14 individuals) and normal eyes (19 eyes ...
Jia-Wen Ling   +4 more
doaj   +1 more source

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