Enumerative DC-RLL constrained coding

Details Enumerative DC-RLL constrained coding Enumerative DC-RLL constrained coding

2008-04-28

2010-02-23

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from run length limited codes

C341S058000

Reexamination Certificate

active

07667626

ABSTRACT:
Systems and methods are provided for encoding and decoding constrained codes using an enumerative coding graph. The constrained code may contain run-length and DC level limits. The enumerative coding graph contains a series of states and each state has two branches that lead to other states. Each state in the enumerative coding graph is assigned a cardinality. Configuring the structure of the graph and the cardinalities associated with each state allow the encoder to generate a code that conforms to defined constraints.

REFERENCES:
patent: 6961888 (2005-11-01), Jin et al.
patent: 7161507 (2007-01-01), Tomic
patent: 7265691 (2007-09-01), Tomic
patent: 2008/0224905 (2008-09-01), Reznik

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