Image monitoring
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United States of America Patent
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N/A
Issued Date -
May 2, 2002
app pub date -
Oct 24, 2001
filing date -
Oct 28, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to the invention, live images, in particular, from a CCD camera are compressed in two different ways in a monitoring instrument. On the one hand, compression is carried out at a low resolution, for example by means of H.261, H.263 or MPEG. On the other hand, compression is carried out at a high resolution, for example by means of JPEG, synchronously with the compression at the low resolution. A time code is generated for each image. The time code is, for example, a chronological code which contains the date and time of day. The time code can also be generated implicitly via a timer which runs simultaneously. Each image is stored twice, on the one hand as an image compressed at low resolution and, on the other hand, as an image compressed at high resolution. The time codes, which indicate links between corresponding images, are also stored.
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Cited Art Landscape
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