نتایج جستجو برای: photographic application

تعداد نتایج: 770545  

2005
Cyril Pichard Sylvain Michelin Olivier Tubach

The purpose of our study is to introduce a new method for depth of field blur simulation used for compositing real and synthetic images in a realistic way. Existing methods do not simulate accurately the depth of field blur produced by photographic equipment. The problem is twofold: photometric and geometric. Existing methods based on convolution do not produce a realistic photometric rendering...

2007

We presume that the reader understands conventional radiography in which photographic methods capture radiographic images. Typically, a patient is positioned between an x-ray source and a film/screen cassette. The cassette contains an intensifying screen which, when exposed to radiation, emits light which exposes a photographic emulsion. The photographic film can be developed to provide an imag...

2018
Xiaojuan Qi Qifeng Chen Jiaya Jia Vladlen Koltun

We present a semi-parametric approach to photographic image synthesis from semantic layouts. The approach combines the complementary strengths of parametric and nonparametric techniques. The nonparametric component is a memory bank of image segments constructed from a training set of images. Given a novel semantic layout at test time, the memory bank is used to retrieve photographic references ...

Journal: :J. Graphics, GPU, & Game Tools 2002
Erik Reinhard

Tone reproduction algorithms attempt to compress a large range of pixel values into a smaller range that is suitable for display on devices with limited dynamic range. A recently proposed tone reproduction operator achieved this goal by emulating photographic practice. Like in photography, the manual tuning of a small set of intuitive parameters was required. In this paper we extend this photog...

Bernardo Righi, Denis Codazzi, Enrico Robotti, Maria Alessandra Bocchiotti,

Standardization of photography in plastic surgery is fundamental for pre-operative surgical planning, comparative post-operative assessment, and demonstration of surgical results.1 In rhinoplasty, slight changes in patient or camera position can lessen nasal hump, vary nose size, and alter skin tension.2 In order to prevent these common errors, photographic standardization with high-quality equ...

Journal: :The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 1879

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