Video camera with major functions implemented in host software
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United States of America Patent
Stats
-
Feb 7, 2006
Issued Date -
N/A
app pub date -
May 18, 2001
filing date -
Jun 30, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A low cost camera by implementing the major functions in host software is provided. This is accomplished by sending raw, digitized data from the camera directly to the host. The increased volume of raw data is handled by either an improved compression/decompression scheme using lossless compression, using lossy compression or using a shared bus with higher bandwidth. By moving such functions as color processing and scaling to the host, the pixel correction can also be moved to the host. This in turn allows the elimination of the frame buffer memory from the camera. Finally, the camera can use a low cost lens by implementing vignetting, distortion, gamma or aliasing correction with a correction value stored in a register of the camera for later access by the host to perform corrections.
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Family
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Cited Art Landscape
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