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Graphics Interchange Format  |  1996-01-17  |  38KB  |  549x171  |  8-bit (101 colors)
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OCR: BCH: g(D)=LCM[¢ ,, (D)¢„,(D) ...? „„(D)] RS: g(D) = (D-a)(D -a2) ... (D-a2*) LCM = "Least common multiple" operator ¢.(D)= Minimal polynomial of locator - field element o.' t =# Recoverable symbol errors Figure 2: Generator polynomials for BCH and RS codes.