The ZZ-Buffer : A Simple and Efficient Rendering Algorithm with Reliable Antialiasing

@inproceedings{Salesin1989TheZ,
  title={The ZZ-Buffer : A Simple and Efficient Rendering Algorithm with Reliable Antialiasing},
  author={David Salesin and Jorge Stolfi},
  year={1989}
}
The ZZ-buffer is a new rendering algorithm that is simple, efficient, and produces high-quality images. The algorithm correctly renders transparent surfaces, shadows with real penumbrae, and depth of field effects. The ZZ-buffer algorithm is substantially faster than ray tracing and nearly as versatile. While the ZZ-buffer is somewhat slower than the Z-buffer or A-buffer, it avoids the aliasing and other artifacts of these algorithms. The algorithm’s efficiency comes from a screenspace object… CONTINUE READING
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