Order-of-magnitude faster isosurface rendering in software on a PC than using dedicated general-purpose rendering hardware

George J. Grevera; Jayaram K. Udupa; Dewey Odhner

doi:10.1117/12.349431

26 May 1999 Order-of-magnitude faster isosurface rendering in software on a PC than using dedicated general-purpose rendering hardware

George J. Grevera, Jayaram K. Udupa, Dewey Odhner

Author Affiliations +

Proceedings Volume 3658, Medical Imaging 1999: Image Display; (1999) https://doi.org/10.1117/12.349431
Event: Medical Imaging '99, 1999, San Diego, CA, United States

Abstract

The purpose of this work is to compare the speed of isosurface rendering in software with that using dedicated hardware. Input data consists of 10 different objects form various parts of the body and various modalities with a variety of surface sizes and shapes. The software rendering technique consists of a particular method of voxel-based surface rendering, called shell rendering. The hardware method is OpenGL-based and uses the surfaces constructed from our implementation of the 'Marching Cubes' algorithm. The hardware environment consists of a variety of platforms including a Sun Ultra I with a Creator3D graphics card and a Silicon Graphics Reality Engine II, both with polygon rendering hardware, and a 300Mhz Pentium PC. The results indicate that the software method was 18 to 31 times faster than any hardware rendering methods. This work demonstrates that a software implementation of a particular rendering algorithm can outperform dedicated hardware. We conclude that for medical surface visualization, expensive dedicated hardware engines are not required. More importantly, available software algorithms on a 300Mhz Pentium PC outperform the speed of rendering via hardware engines by a factor of 18 to 31.

Citation Download Citation

George J. Grevera, Jayaram K. Udupa, and Dewey Odhner "Order-of-magnitude faster isosurface rendering in software on a PC than using dedicated general-purpose rendering hardware", Proc. SPIE 3658, Medical Imaging 1999: Image Display, (26 May 1999); https://doi.org/10.1117/12.349431

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