نتایج جستجو برای: slant slant helix

تعداد نتایج: 27931  

Journal: :Journal of experimental psychology 1967
P K Kaiser

Koffka's suggestions that perceived shape and perceived slant "will be coupled together so that if one changes, the other changes also" and that errors in perceived shape vary as some function of errors in perceived slant were examined. Ss described, by means of appropriate response mechanisms, the shapes and slants of trapezoids. Shape and slant responses were made both monocularly and binocul...

2010
S. S. SHUKLA PAWAN KUMAR RAO

The aim of the present paper is to study Chen inequalities for slant, bi-slant and semi-slant submanifolds in generalized complex space forms.

2017
SHIVAM KUMAR SINGH ANURADHA GUPTA

The notion of slant Toeplitz operators Bφ and kth-order slant Toeplitz operators B φ on the Fock space is introduced and some of its properties are investigated. The Berezin transform of slant Toeplitz operator Bφ is also obtained. In addition, the commutativity of kth-order slant Toeplitz operators with co-analytic and harmonic symbols is discussed.

Journal: :Vision Research 2000
T.C.A. Freeman T. A. Fowler

Eye movements introduce retinal motion to the image and so affect motion cues to depth. For instance, the slant of a plane moving at right-angles to the observer is specified by translation and a component of relative motion such as shear. To a close approximation, the translation disappears from the image when the eye tracks the surface accurately with a pursuit eye movement. However, both tra...

Journal: :Vision research 1993
R Cagenello B J Rogers

We measured stereoscopic slant detection thresholds for surfaces slanting about a horizontal or a vertical axis. For random-dot covered surfaces, 1.25 deg of slant was required to detect slant about a horizontal axis, whereas 2.1 deg of slant was required to detect slant about a vertical axis. This anisotropy could be due to the fact that orientation disparities, which contain information about...

Journal: :Vision Research 1998
Raymond van Ee Casper J Erkelens

We investigated temporal aspects of stereoscopically perceived slant produced by the following transformations: horizontal scale, horizontal shear, vertical scale, vertical shear, divergence and rotation, between the half-images of a stereogram. Six subjects viewed large field stimuli (70 degrees diameter) both in the presence and in the absence of a visual reference. The presentation duration ...

2017
Huyen T. Le Zubair Shafiq Padmini Srinivasan

Prior research has reported evidence of polarization in the consumption and distribution of political news in online social media. Methods to effectively measure slant of news articles at a large scale are lacking in prior literature. To fill this gap, we propose a method to measure slant of individual news articles by observing their sharing patterns on Twitter. Our method monitors tweets abou...

2002
Bang-Yen Chen Luc Vrancken

A slant immersion was introduced in [2] as an isometric immersion of a Riemannian manifold into an almost Hermitian manifold (M̃, g, J) with constant Wirtinger angle. From J-action point of view, the most natural surfaces in an almost Hermitian manifold are slant surfaces. Flat slant surfaces in complex space forms have been studied in [3, 4]. In this article, we study slant surfaces in complex ...

Journal: :Filomat 2023

The objective of this paper is to introduce a new class submanifolds which are called pointwise quasi hemi-slant in almost Hermitian manifolds extends hemi-slant, semi-slant and slant very natural way. Several basic results respect proved paper. Moreover, we obtain some conditions the distributions involved definition submanifolds. We also get for totally geodesic mixed Finally, illustrate exam...

Journal: :Proceedings. Biological sciences 2005
Raymond van Ee Gunta Krumina Sylvia Pont Sanne van der Ven

We have quantified voluntarily selected perceived slant of real trapezoidal surfaces (a 'reverse-perspective' scene) and their photographed counterparts (pictorial space). The surfaces were slanted about the vertical axis and observers estimated slant relative to the frontal plane. We were particularly interested in those cases in which binocular disparity and monocular perspective provided con...

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