System for maintaining a minimum level of digitized data signal

Details System for maintaining a minimum level of digitized data signal System for maintaining a minimum level of digitized data signal

1996-06-20

1998-11-03

Luu, Le Hien

Image analysis

Histogram processing

For setting a threshold

395854, 382254, 348408, 348415, 348384, G06F 1300

Patent

active

058323007

ABSTRACT:
A method and apparatus for transferring data representing a continuous natural data type over at least one signal line. In accordance with the described method, signal data packets representing the continuous natural data type are requested. Enhancement data packets for providing an improved quality level are also requested. The receipt of a plurality of signal packets representing a discrete segment of the continuous natural data type is detected, and the plurality of signal data packets and a plurality of enhancement data packets are combined to reconstruct a received version of the continuous natural data type. A system of the present invention includes a processor coupled to a controller by a processor bus. A signal source coupled to the controller provides digital values representing a time varying signal. A memory coupled to the processor and the controller contains a data request routine for requesting data from fixed and variable bandwidth channels and a receiving routine for receiving signal packets from the fixed bandwidth channel and enhancement packets from the variable bandwidth channel. The memory also contains a reconstruction routine for combining the signal packets and the packets to form a reconstructed signal.

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patent: 5418571 (1995-05-01), Ghanbari
patent: 5592085 (1997-01-01), Ehman
patent: 5687257 (1997-11-01), Paik et al.
patent: 5694484 (1997-12-01), Cottrell et al.
patent: 5701405 (1997-12-01), Kelley et al.
"Universal Serial Bus Specification": Revision 1.0, Jan. 15, 1996, pp. 1-267, Intel Corporation.

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