Imagery having technical exposure data steganographically encoded therein
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Mar 13, 2003
app pub date -
Aug 29, 2001
filing date -
Aug 29, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Technical exposure information (which may include film speed) is steganographically encoded into image data. The information may be encoded in accordance with pseudo-random noise data, and may be dispersed across the image, rather than being localized in a limited portion. In some embodiments, the encoding is such that the value of a single image pixel is changed in accordance with the values of several bits of information.
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Cited Art Landscape
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