نتایج جستجو برای: video displays

تعداد نتایج: 212687  

2017
Ching-Ling Fan Jean Lee Wen-Chih Lo Chun-Ying Huang Kuan-Ta Chen Cheng-Hsin Hsu

We study the problem of predicting the Field-of-Views (FoVs) of viewerswatching 360° videos using commodityHead-MountedDisplays (HMDs). Existing solutions either use the viewer’s current orientation to approximate the viewed tiles in the future, or extrapolate the FoVs using the historical orientations and dead-reckoning algorithms. In this paper, we develop €xation prediction networks that con...

2008
Anthony Vetro Sehoon Yea Aljoscha Smolic

There has been increased momentum recently in the production of 3D content for cinema applications; for the most part, this has been limited to stereo content. There are also a variety of display technologies on the market that support 3DTV, each offering a different viewing experience and having different input requirements. More specifically, stereoscopic displays support stereo content and r...

2006
Kris Luyten Kristof Verpoorten Karin Coninx

This video presents a new technique for mobile and ad-hoc co-located collaboration with an arbitrary number of users. Our approach is based on tracking of personal displays that share the same information space. All displays involved in the collaboration act as autonomous windows on a set of data items (the information space) positioned on a shared virtual canvas. Data items are identified by t...

2005
Luc Renambot Byungil Jeong Ratko Jagodic Andrew Johnson Jason Leigh

We envision situation-rooms and research laboratories in which all the walls are made from seamless ultra-highresolution displays fed by data streamed over ultra-highspeed networks from distantly located visualization, storage servers, and high definition video cameras [1,6]. It will allow local and distributed groups of researchers to work together on large amounts of distributed heterogeneous...

2002
Andrew J. Woods Stanley S. L. Tan

A common artefact of time-sequential stereoscopic video displays is the presence of some image ghosting or crosstalk between the two eye views. In general this happens because of imperfect shuttering of the Liquid Crystal Shutter (LCS) glasses used, and the afterglow of one image into another due to phosphor persistence. This paper describes a project that has measured and quantified these sour...

1992
Marc H. Brown John Hershberger Robert W. Taylor

Geometric algorithms and data structures are often easiest to understand visually, in terms of the geometric objects they manipulate. Indeed, most papers in computational geometry rely on diagrams to communicate the intuition behind the results. Algorithm animation uses dynamic visual images to explain algorithms. Thus it is natural to present geometric algorithms, which are inherently dynamic,...

2008
Anil Kokaram

A video signal is the term used to describe any sequence of time varying images. A still image is a spatial distribution of intensities that remain constant with time while a time varying image has a spatial intensity distribution that varies with time. Movies (films) and television are both examples of video signals as are the signals that drive computer monitor, laptop and PDA displays. It is...

2009
Joyce E. Farrell

The visual display is at present the main medium for human-computer interaction. To optimize display design, one must consider all three components of the humandisplay interface. First, one must understand the information that is to be conveyed to the human user. Second, one must consider the constraints that a particular display technology places on the transmission of the signal. Third, one m...

2017
Yasuko Sugito Praveen Cyriac David Kane Marcelo Bertalmío

High dynamic range (HDR) technologies support the capture and presentation of a wider range of luminance values than conventional systems. An important element of video processing is the transfer function which should emulate human perception and this needs to be revisited for HDR content and displays. In the paper, we adapt a nonlinearity designed for the tonemapping problem to the problem of ...

Journal: :Comput. Graph. Forum 2008
Piotr Didyk Rafal Mantiuk Matthias Hein Hans-Peter Seidel

To utilize the full potential of new high dynamic range (HDR) displays, a system for the enhancement of bright luminous objects in video sequences is proposed. The system classifies clipped (saturated) regions as lights, reflections or diffuse surfaces using a semi-automatic classifier and then enhances each class of objects with respect to its relative brightness. The enhancement algorithm can...

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