A Testbed for Realistic Image Synthesis

  title={A Testbed for Realistic Image Synthesis},
  author={R. Hall and D. Greenberg},
  journal={IEEE Computer Graphics and Applications},
Classical ray-tracing techniques, which have produced the most realistic computer-generated images to date, are being enhanced in this developmental system. 
A Comprehensive Light-Source Description for Computer Graphics
For realistic simulation it is necessary to thoroughly define and describe light-source characteristics¿especially the light-source geometry and the luminous intensity distribution.
The Vectorization of a Ray-Tracing Algorithm for Improved Execution Speed
Ray tracing has always been a computational problem. Can it be improved?
An Introduction to Ray Tracing
This paper is a practical guide to ray tracing for those familiar with graphics. It consists of a conceptual model of ray tracing, C code for a basic system, and an explanation of how and why theExpand
Deriving Spectra from Colors and Rendering Light Interference
A new method for transforming colors into spectra, which we applied to rendering light interference using a standard ray tracer, significantly enhances color-based rendering software and graphicsExpand
Applications of ray tracing in molecular graphics.
A brief introduction to ray tracing is presented and some of the computational issues involved are discussed, illustrating ray tracing's effectiveness for producing high-quality visualizations of molecular structures. Expand
Fast algorithms for volume ray tracing
This work examines various simple algorithms that exploit homogeneity and accumulate2 opacity for tracing rays through shaded volumes and compares them to fixed step multiresolution methods. Expand
Physically Based Lighting Calculations for Computer Graphics: A Modern Perspective
The light transport problem is discussed and formulated in a form convenient for Computer Graphics. Basic physical units are presented, and the rendering equation is formulated in these units. AExpand
Ray tracing with cones
A new approach to ray tracing is introduced. The definition of a ray is extended into a cone by including information on the spread angle and the virtual origin. The advantages of this approach, wh...
Implementation of Ray tracing on the hypercube
This preliminary report presents one implementation of a ray tracing system which includes a dynamic load balancing scheme and will be shown to be very efficient for large scenes. Expand
Generating High Quality Pictures by Ray‐Tracing
A full lighting model, based on a theoretical approach, is presented and an algorithm for the display of surfaces of revolution is described, which shows its ability to display a wide class of algebraic surfaces with a minimum of approximation. Expand


3-D Visual simulation
This paper describes a visual simulation technique by which fully computer-generated perspective views of three-dimensional objects may be produced. The method is based on a relatively simpleExpand
A real time visible surface algorithm
The dissertation describes an algorithm designed for a hardware processor capable of displaying solid objects, and a FORTRAN 5 program for simulating the hardware processor. Expand
Models of light reflection for computer synthesized pictures
  • J. Blinn
  • Computer Science
  • SIGGRAPH '77
  • 1977
A more accurate function for the generation of hilights which is based on some experimental measurements of how light reflects from real surfaces is presented, which differs from previous models in that the intensity of the hilight changes with the direction of the light source. Expand
Illuminat~on for computer generated images
A new model for the shading of computer- generated images of objects in general and of polygonally described free-form curved surfaces in particular is described, which takes into consideration the physical properties of the materials of which the surfaces are made. Expand
A Reflectance Model for Computer Graphics
A new reflectance model for rendering computer synthesized images that describes the directional distribution of the reflected light and a color shift that occurs as the reflectance changes with incidence angle is presented. Expand
Texture and reflection in computer generated images
Extensions of this algorithm in the areas of texture simulation and lighting models are described, including extensions of the parametrization of a patch which defines a coordinate system which is used as a key for mapping patterns onto the surface. Expand
An improved illumination model for shaded display
Consideration of all of these factors allows the shader to accurately simulate true reflection, shadows, and refraction, as well as the effects simulated by conventional shaders. Expand
A solution to the hidden surface problem
A method for producing half-tone pictures by computer, which works well in most cases, but does not handle all objects correctly, and compares favourably in speed and storage requirements with other published algorithms. Expand
A visible polygon reconstruction algorithm
An algorithm for determining visible lines or visible surfaces in polygonal form, at object resolution, is presented, which is useful for smooth shaded or textured images, as well as the for creation of shadows. Expand
Study for Applying Computer-Generated Images to Visual Simulation: (510842009-001)
The results of a system design study for applying digital image generation techniques to visual simulation for pilot training are described, to provide out-the-window scenes for a flight simulator which is to be used for training Air Force pilots. Expand