نتایج جستجو برای: parallax

تعداد نتایج: 2985  

2000
Tomohiro Endo Makoto Sato Yoshihiro Kajiki Toshio Honda

We propose a 3-D video display technique that allows multiple viewers to observe 3-D images from a 360-degree horizontal arc without wearing 3-D glasses. This technique uses a cylindrical parallax barrier and a one-dimensional light source array. We have developed an experimental display using this technique and have demonstrated observation of 3-D images from a 360-degree horizontal arc withou...

Journal: :Journal of experimental psychology. Human perception and performance 1986
M E Ono J Rivest H Ono

The results of three experiments demonstrated that the visual system calibrates motion parallax according to absolute-distance information in processing depth. The parallax was created by yoking the relative movement of random dots displayed on a cathode-ray tube to the movements of the head. In Experiment 1, at viewing distances of 40 cm and 80 cm, observers reported the apparent depth produce...

2005
Jocelyn Faubert Bahram Javidi Fumio Okano

This chapter examines the potential effects of optical distortions and transverse chromatic aberration on the perception of depth. In particular, I will emphasize the role of motion parallax and stereoscopic vision. Motion parallax implies that the perception of depth can be extracted from a temporal sequence of images that contain different perspectives while stereopsis is the binocular depth ...

2000
Bill Triggs

We study the special form that the general multi-image tensor formalism takes under the plane + parallax decomposition, including matching tensors and constraints, closure and depth recovery relations, and inter-tensor consistency constraints. Plane + parallax alignment greatly simplifies the algebra, and makes the underlying geometry significantly clearer. We relate plane + parallax to the geo...

Journal: :Neuron 2009
Jacob W. Nadler Mark Nawrot Dora E. Angelaki Gregory C. DeAngelis

The capacity to perceive depth is critical for an observer to interact with his or her surroundings. During observer movement, information about depth can be extracted from the resulting patterns of image motion on the retina (motion parallax). Without extraretinal signals related to observer movement, however, depth-sign (near versus far) from motion parallax can be ambiguous. We previously de...

2006
Rui Ni Myron L. Braunstein George J. Andersen

An important factor in determining perceived scene layout is optical contact between objects and the ground surface (‘‘ground contact’’). The relation between ground contact and occlusion was investigated in four experiments with stationary and motion parallax scenes containing a pole that occluded or was occluded by one or more cylinders. Some judgements were inconsistent with occlusion in sta...

Journal: :Journal of vision 2003
Mark Nawrot

Recent findings suggest that the slow eye movement system, the optokinetic response (OKR) in particular, provides the extra-retinal signal required for the perception of depth from motion parallax (Nawrot, 2003). Considering that both the perception of depth from motion parallax (Ono, Rivest & Ono, 1986; Rivest, Ono & Saida, 1989) and the eye movements made in response to head translations (Sch...

2000
Jocelyn Faubert

This paper deals with practical and theoretical issues related to motion parallax. Motion parallax implies that the perception of depth can be extracted from a temporal sequence of images that contain different perspectives. The present paper will focus on the relative effectiveness of motion parallax as compared to stereoscopic depth perception. It will be argued that motion parallax alone wil...

2001
Mark Nawrot

Motion parallax, the ability to recover depth from retinal motion, is a crucial part of the visual information needed for driving. Recent work indicates that the perception of depth from motion parallax relies on the slow eye movement system. It is well known that that alcohol intoxication reduces the gain of this slow eye movement system, the basis for the "horizontal gaze nystagmus" field sob...

2017
David Lindell Jayant Thatte

Interest in acquiring and viewing natural scenes in full 360degree immersion has led to the development of camera rigs which capture images for 360-degree stereo rendering. Most such platforms capture a scene for viewing from a single vantagepoint and do not incorporate motion parallax. Methods for scene acquisition which do support motion parallax, such as concentric mosaics or free viewpoint ...

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