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In order to visualize high-resolution three-dimensional (3D) data as a stereogram, a real-time volume-rendering system using a hardware graphic board and conventional PC was developed. A 256(3) data set could be visualized at a redrawing rate of 12 Hz, and a 512(3) data set at a rate of 2.5 Hz. It was demonstrated that stereogram visualization using volume graphic hardware architecture potentially enables rapid examination of high-resolution 3D data by changing visualization parameters such as level, window, transfer function for opacity, and color map or coordinate direction.
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