Reproduction by Photographic Processes

Parameter Estimation for Photographic Tone Reproduction

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...

Real-Time Photographic Local Tone Reproduction Using Summed-Area Tables

High dynamic range (HDR) rendering is becoming an increasingly popular technique in computer graphics. Its challenge consists in mapping the resulting images’ large range of intensities to the much narrower ones of the display devices in a way that preserves contrastive details. Local tone mapping operators effectively perform the required compression by adapting the luminance level of each pix...

Photographic reproduction of out-of-focus and distorted ocular imagery

The necessary settings and parameters were determined for ordinary camera and lens systems to faithfully reproduce out-of-focus and distorted imagery as it falls upon the retina of the human eye. Theoretic considerations of both geometric and physical optics were used to calculate the "relative blur" and distortion produced by refractive error added to ordinary camera lenses as opposed to refra...

Tone Reproduction for Computer Graphics Using Photographic Principles

Characterization of Digital Peripheral Devices for the Hybrid Photographic Processes

Last years are characterized by increasing penetration of digital information registration methods in various domains of science and technical knowledge. Digital systems are very attractive because of their universality, flexibility, swift action, and simplicity of technical realization, better stability, accuracy, and reproduction quality in comparison with analog methods. Particularly, digita...