نتایج جستجو برای: projection screen

تعداد نتایج: 130258  

2010
Markus Völter

This paper describes a novel approach to embedded software development. Instead of using a combination of C code and modeling tools, we propose an approach where modeling and programming is unified using projectional language workbenches. These allow the incremental, domainspecific extension of C and a seamless integration between the various concerns of an embedded system. The paper does not p...

2011
Marc Rébillat

The SMART-I aims at creating a precise and coherent virtual environment by providing users with both audio and visual accurate localization cues. It is known that for audio rendering, Wave Field Synthesis, and for visual rendering, Tracked Stereoscopy, individually permit high quality spatial immersion within an extended space. The proposed system combines these two rendering approaches through...

2011
Marc Rébillat Étienne Corteel Brian F.G. Katz

The SMART-I2 aims at creating a precise and coherent virtual environment by providing users with both audio and visual accurate localization cues. Wave field synthesis, for audio rendering, and tracked passive stereoscopy, for visual rendering, individually permit high quality spatial immersion within an extended space. The proposed system combines these two rendering approaches through the use...

2009
Haik Lorenz Jürgen Döllner

This paper presents an approach to real-time rendering of non-planar projections with a single center and straight projection rays. Its goal is to provide optimal and consistent image quality. It operates entirely in object space to remove the need for image resampling. In contrast to most other object-space approaches, it does not evaluate non-linear functions on the GPU, but approximates the ...

2013
Yun Ling Harold T. Nefs Willem-Paul Brinkman Chao Qu Ingrid Heynderickx

In this paper we report two experiments in which the effect of perspective projection on presence and space perception was investigated. In Experiment 1, participants were asked to score a presence questionnaire when looking at a virtual classroom. We manipulated the vantage point, the viewing mode (binocular versus monocular viewing), the display device/screen size (projector versus TV) and th...

Journal: :CoRR 2012
Luis Quesada Alejandro León

3D motion tracking is a critical task in many computer vision applications. Unsupervised markerless 3D motion tracking systems determine the most relevant object in the screen and then track it by continuously estimating its projection features (center and area) from the edge image and a point inside the relevant object projection (namely, inner point), until the tracking fails. Existing object...

2009
Haik Lorenz Jürgen Döllner

This paper presents an approach to real-time rendering of non-planar projections with a single center and straight projection rays. Its goal is to provide the same optimal and consistent image quality GPUs deliver for perspective projections. It therefor renders the result directly without image resampling. In contrast to most object-space approaches, it does not evaluate non-linear functions o...

ژورنال: :انسان و محیط زیست 2015
ندا ع نیکنام سید علیرضا میرزای حسینی علی محمدی لعبت تقوی

افزایش گازهای گلخانه ای و محدودیت منابع فسیلی جهت تامین انرژی یکی از مهم‏ترین چالش های قرن اخیر است. لذا، رویکرد استفاده از منابع تجدیدپذیر با شتاب بیشتری در حال پیشرفت و توسعه است و یکی از منابع تجدیدپذیر مناسب، استفاده از انرژی خورشیدی جهت تامین برق است. در این میان سیستم‏های فتوولتاییک دارای مزایای منحصر به فردی از جمله عدم آلودگی محیط‏زیستی و تولید آلاینده‏های صنعتی، عدم نیاز به شبکه، تولید...

Journal: :J. Graphics, GPU, & Game Tools 1999
Dieter Schmalstieg Robert F. Tobler

The area covered by a three-dimensional bounding box after projection onto the screen is relevant for view-dependent algorithms in real-time and photorealistic rendering. We describe a fast method to compute the accurate two-dimensional area of a three-dimensional oriented bounding box, and show how it can be computed equally fast or faster than its approximation with a two-dimensional bounding...

2003
Yasuhiro Mukaigawa Masashi Nishiyama Takeshi Shakunaga

In this paper, we introduce the Virtual Photometric Environment which is one of mixed reality systems. The Virtual Photometric Environment enables arbitrarily control over the lighting directions and reflection properties of objects. The environment is realized by photometric pattern projection onto screen objects. Reflection properties of the photometric patterns are acquired from real objects...

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