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Longer titles found: Perceived visual angle (view)

searching for Visual angle 59 found (84 total)

Cortical magnification (449 words) [view diff] exact match in snippet view article find links to article

normally expressed in millimeters of cortical surface per degree of visual angle. When expressed in this way, the values of cortical magnification factor

Moon illusion (2,183 words) [view diff] exact match in snippet view article find links to article

viewed object can be measured objectively either as an angular size (the visual angle that it subtends at the eye, corresponding to the proportion of the visual

Ultra wide angle lens (902 words) [view diff] exact match in snippet view article find links to article

difficult it is to implement rectilinear correction. In fisheye lenses, the visual angle is close to or more than 180 degrees in at least one direction. For example

Parafovea (613 words) [view diff] exact match in snippet view article find links to article

fixation is processed in foveal vision, while information up to 6° of visual angle benefits from parafoveal preview. Studies have shown that people can

Peripheral vision (2,864 words) [view diff] exact match in snippet view article find links to article

decline is according to E2/(E2+E), where E is eccentricity in degrees visual angle, and E2 is a constant of approximately 2°. An E2 value of 2° results

Visual field (2,651 words) [view diff] exact match in snippet view article find links to article

central area in the visual field of about 10 to 17 deg diameter (in visual angle). It is responsible for high-resolution vision in good light, in particular

Field of view (1,547 words) [view diff] exact match in snippet view article find links to article

vision) is the visual field. It is defined as "the number of degrees of visual angle during stable fixation of the eyes". Note that eye movements are excluded

Vision in toads (2,503 words) [view diff] exact match in snippet view article find links to article

will consider both the angular size, which is measured in degrees of visual angle, and the absolute size, which takes into consideration the distance between

Ewald Hering (2,234 words) [view diff] exact match in snippet view article find links to article

Ernst Anton (1892). "Ueber den kleinsten Gesichtswinkel [On the smallest visual angle]". Zeitschrift für Biologie. Neue Folge. 11: 199–202. "In the year 1892

Boris Paichadze Dinamo Arena (871 words) [view diff] exact match in snippet view article find links to article

precipitations. The Author’s approach for calculating and designing the Visual angle for II tier was original thus ensuring full visibility of the stadium

Horizontal eccentricity (81 words) [view diff] exact match in snippet view article find links to article

In vision, degrees of visual angle from the center of the eye

Stereoscopy (6,960 words) [view diff] exact match in snippet view article find links to article

Accommodation Occlusion (the overlapping of one object by another) Subtended visual angle of an object of known size Linear perspective (convergence of parallel

Defocus aberration (821 words) [view diff] exact match in snippet view article find links to article

equation d = 0.057 p D {\displaystyle d=0.057pD} (d = diameter in degrees visual angle, p = pupil size in mm, D = defocus in diopters). In linear systems theory

Emmert's law (775 words) [view diff] exact match in snippet view article find links to article

perceived linear size to perceived distance is a simple function of the visual angle. The effect of viewing distance on perceived size can be observed by

Fovea centralis (3,017 words) [view diff] exact match in snippet view article find links to article

p. 7. ISBN 0-201-63464-3 O'Shea, R. P. (1991). Thumb's rule tested: Visual angle of thumb's width is about 2 deg. Perception, 20, 415-418. https://doi

Posner cueing task (1,846 words) [view diff] exact match in snippet view article find links to article

periphery, a number of degrees away from the centre, but still within the visual angle. This cue relies on visual input from the peripheral visual field. Posner

Martin van den Hove (701 words) [view diff] exact match in snippet view article find links to article

method for measuring the diameters of planets based on the measured visual angle that his telescope revealed. His was probably the first independent set

Slide viewer (663 words) [view diff] exact match in snippet view article find links to article

small. To magnify the images so that they will occupy a much larger visual angle and still be sharp and undistorted, suitable high-quality multi-element

Monocular vision (1,680 words) [view diff] exact match in snippet view article find links to article

which appears larger appears to be closer. Familiar size – Since the visual angle of an object projected onto the retina decreases with distance, this

Cranial nerve examination (2,054 words) [view diff] exact match in snippet view article find links to article

based on the normal accepted acuity, such that a letter that subtends a visual angle of 5 minutes of an arc at 20 feet can be seen. To have 20/60 vision,

Quiet eye (1,591 words) [view diff] exact match in snippet view article find links to article

characterized as the final fixation or tracking gaze fixated within a 3° visual angle or less, at a specific location or object in the visuomotor environment

Hermenegildo Sosa (2,115 words) [view diff] exact match in snippet view article find links to article

with the creativity most apparent in the choice of elements and the visual angle. Drawings tend to be in black and white, especially in an early "gray

Vernier acuity (634 words) [view diff] exact match in snippet view article find links to article

Ernst Anton (1892). "Ueber den kleinsten Gesichtswinkel [On the smallest visual angle]". Zeitschrift für Biologie. Neue Folge. 11: 199–202. Westheimer G, McKee

Cardinal point (optics) (2,913 words) [view diff] exact match in snippet view article

doi:10.3390/photonics8070284. Strasburger, H.; Simpson, M. J. (2023). Is visual angle equal to retinal angle?. European Conference on Visual Perception. Cyprus

Shanghai Grand Theatre (1,090 words) [view diff] exact match in snippet view article find links to article

stage as much as possible and enjoys the performance from the best audio-visual angle. In the overall design, a Waagner Biro control system is adopted in the

Box jellyfish (5,429 words) [view diff] exact match in snippet view article find links to article

primarily used for object avoidance. Research has shown that the minimum visual angle for obstacles avoided by their lower lens eyes matches the half-widths

Optics (Ptolemy) (948 words) [view diff] exact match in snippet view article

distance and orientation of surfaces. Size and shape were determined by the visual angle subtended at the eye combined with perceived distance and orientation

Eye movement (3,647 words) [view diff] exact match in snippet view article find links to article

acuity. This area is called the fovea, and covers about 2 degrees of visual angle in people. To get a clear view of the world, the brain must turn the

Saccade (3,796 words) [view diff] exact match in snippet view article find links to article

a saccade reaches up to 700°/s in humans for great saccades (25° of visual angle); in some monkeys, peak speed can reach 1000°/s. Saccades to an unexpected

Saccade (3,796 words) [view diff] exact match in snippet view article find links to article

a saccade reaches up to 700°/s in humans for great saccades (25° of visual angle); in some monkeys, peak speed can reach 1000°/s. Saccades to an unexpected

Eye examination (3,953 words) [view diff] exact match in snippet view article find links to article

6/6 vision) is the ability to resolve a spatial pattern separated by a visual angle of one minute of arc. The terms 20/20 and 6/6 are derived from standardized

Watercolor illusion (2,886 words) [view diff] exact match in snippet view article find links to article

shorter axis. The determined threshold was a height of 45 degrees of visual angle for the height of the surface. The second experiment was to determine

Ptolemy (8,243 words) [view diff] exact match in snippet view article find links to article

distance and orientation of surfaces. Size and shape were determined by the visual angle subtended at the eye combined with perceived distance and orientation

Retina display (2,804 words) [view diff] exact match in snippet view article find links to article

degree (PPD). For pixels centered in the field of vision spanning a small visual angle, the angular pixel density can be approximated as: π 360 arctan ⁡ ( 0

Duran Duran (12,924 words) [view diff] exact match in snippet view article find links to article

whole new world that could not be fully apprehended over the radio. The visual angle played to the arty conceits of Britain's young style barons, suggesting

Cuban convertible peso (1,779 words) [view diff] exact match in snippet view article find links to article

points star). Latent Image. The legend BNC can be read at a certain visual angle. Calcographic Microprinted (en relieve). Lithographic Microprinted luminescent

Human eye (9,545 words) [view diff] exact match in snippet view article find links to article

high visual acuity, the fovea centralis. It covers about 2 degrees of visual angle in people. To get a clear view of the world, the brain must turn the

Second British Invasion (3,993 words) [view diff] exact match in snippet view article find links to article

whole new world that could not be fully apprehended over the radio. The visual angle played to the arty conceits of Britain's young style barons, suggesting

Feature detection (nervous system) (3,719 words) [view diff] exact match in snippet view article

from dark to light—and also had very restricted receptive fields of visual angle (about the size of a fly at the distance that the frog could strike)

Christoph Scheiner (3,901 words) [view diff] exact match in snippet view article find links to article

ray inside the eye, and the third part deals with the retina and the visual angle. Scheiner once again chooses the way of observation and experiment. Like

Mental image (7,265 words) [view diff] exact match in snippet view article find links to article

PMC 4244609. PMID 25505400. Farah MJ; Soso MJ; Dasheiff RM (1992). "Visual angle of the mind's eye before and after unilateral occipital lobectomy". J

Stephen Kosslyn (2,807 words) [view diff] exact match in snippet view article find links to article

1037/h0081649. PMID 858090. Kosslyn, Stephen M. (1978). "Measuring the visual angle of the mind's eye". ScienceCognitive Psychology. 10 (3): 356–389. doi:10

Vision span (1,050 words) [view diff] exact match in snippet view article find links to article

span is more accurately defined in number of characters rather than in visual angle. Hammoud, Riad (2008). Hammoud, Riad I (ed.). Passive Eye Monitoring:

Cosmic ray visual phenomena (2,818 words) [view diff] exact match in snippet view article find links to article

front. The "streaks" seen had varying lengths (a maximum of 2 degrees of visual angle), and were seen to either have a blueish-white color or be colorless

Simultanagnosia (2,831 words) [view diff] exact match in snippet view article find links to article

stimuli could be processed as wholes so long as they occupied a small visual angle. Another theory to account for simultanagnosia involves deficits in "attentional

Indoor positioning system (5,330 words) [view diff] exact match in snippet view article find links to article

coordinates: latitude, longitude and height off the floor. Measuring the visual angle from the device to the marker enables the device to estimate its own

Perceptual paradox (1,484 words) [view diff] exact match in snippet view article find links to article

discriminated from other such points as little distance away as 1/10 the visual angle of a photoreceptor. According to Roorda, in a "perfect" eye, a foveal

Isovist (2,752 words) [view diff] exact match in snippet view article find links to article

mechanism of seeing, isovist analysis can be conducted to determine the visual angle at which the human field of view is included (Sengke and Atmodiwirjo

Sungur MANPAD (622 words) [view diff] case mismatch in snippet view article find links to article

Launch Resistant to Countermeasures Automatic Target Tracking ±40 Degree Visual Angle Warhead High Explosive, Semi Armor Piercing Warhead Programmable Impact

Portia labiata (7,207 words) [view diff] exact match in snippet view article find links to article

receptor mosaic of Layer I in the central retina was estimated to be a visual angle of 2.4 arc min, corresponding to 0–12 mm at 20 cm in front of the spider

Maratus griseus (2,192 words) [view diff] exact match in snippet view article find links to article

wraps around the head like a halo, with each pair covering a particular visual angle. This eye positioning gives the spider excellent movement-based peripheral

The Eye Tribe (1,637 words) [view diff] exact match in snippet view article find links to article

one's gaze. The tracker has an average accuracy of about 0.5 degree of visual angle and can identify and follow the movement of an eye with sub millimeter

Portia fimbriata (7,688 words) [view diff] exact match in snippet view article find links to article

receptor mosaic of Layer I in the central retina was estimated to be a visual angle of 2.4 arc min, corresponding to 0–12 mm at 20 cm in front of the spider

Portia africana (4,250 words) [view diff] exact match in snippet view article find links to article

receptor mosaic of Layer I in the central retina was estimated to be a visual angle of 2.4 arc min, corresponding to 0–12 mm at 20 cm in front of the spider

Portia schultzi (6,046 words) [view diff] exact match in snippet view article find links to article

receptor mosaic of Layer I in the central retina was estimated to be a visual angle of 2.4 arc min, corresponding to 0-12 mm at 20 cm in front of the spider

Doorway effect (3,387 words) [view diff] exact match in snippet view article find links to article

explanation is that the smaller display size decreased the portion of the visual angle (248 vs. 808) that needs active monitoring, resulting in overall faster

Near visual acuity (1,801 words) [view diff] exact match in snippet view article find links to article

in metres at which the height of a lower case 'x' letter subtends a visual angle of 5 minutes of arc at the nodal point of the eye. The M system is said

S1ngles (1,233 words) [view diff] case mismatch in snippet view article find links to article

version of the day the military ID ended up under her bed... 32 11 "Visual Angle Issue" 27 December 2006 27.6% 12.1 Is reality a point of view? And if

Oliver Bayldon (11,490 words) [view diff] exact match in snippet view article find links to article

William (January 2023). "3.9.1. 'Lovely scenery' or 'all depressing from a visual angle': aesthetics and production style". A history and interpretive analysis