Illumination for computer generated pictures

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Illumination for computer generated pictures

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Communications of the ACM archive
Volume 18 , Issue 6 (June 1975) table of contents

Pages: 311 - 317

Year of Publication: 1975

ISSN:0001-0782

Author

Bui Tuong Phong

Stanford Univ., Stanford, CA

Publisher

ACM New York, NY, USA

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Downloads (6 Weeks): 55, Downloads (12 Months): 549, Citation Count: 211

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ABSTRACT

The quality of computer generated images of three-dimensional scenes depends on the shading technique used to paint the objects on the cathode-ray tube screen. The shading algorithm itself depends in part on the method for modeling the object, which also determines the hidden surface algorithm. The various methods of object modeling, shading, and hidden surface removal are thus strongly interconnected. Several shading techniques corresponding to different methods of object modeling and the related hidden surface algorithms are presented here. Human visual perception and the fundamental laws of optics are considered in the development of a shading rule that provides better quality and increased realism in generated images.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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