Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Patent
1997-10-10
2000-07-18
Powell, Mark R.
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
348 44, G06T 1500, H04N 1300
Patent
active
06091419&
ABSTRACT:
A three dimensional parallax drawing system for use in three dimensional graphics or virtual reality is disclosed. The parallax drawing system includes a three dimensional address generator which generates the X-axis, Y-axis and Z-axis addresses of an image, and an address correction circuit for producing a corrected X-axis address in response to the X-axis and Z-axis address outputs from the address generator. Also included is an address circuit for selecting either the original X-axis address supplied from the three dimensional address generator or the corrected X-axis address from the address correction circuit in response to a stereo graphic mode request signal. A frame buffer address generator is provided for converting the X-axis address received from the address selection means and the Y-axis address received from the three dimensional address generator into the frame buffer linear address. The X-axis parallax of human eyes relative to all points of an object can be converted into the X-axis addresses. Thus, once the 3-D image of the object is projected by separating the left and right eyes' views and reflecting the corrected X-axis addresses, a more vivid image having a better perspective of distance can be seen though the LCD shutters.
REFERENCES:
patent: 5684529 (1997-11-01), Yoshimi et al.
patent: 5745739 (1998-04-01), Wang et al.
Nguyen Thu
Powell Mark R.
Samsung Electronics Co,. Ltd.
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