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ALGORITHMES DE COMPRESSION D'IMAGES ET CODES DE ...

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51<br />

(* desactivation en fin de paroi *)<br />

si (finparoi) alors<br />

si (lien=1) alors<br />

pactives[c):=pactives[c] - 1<br />

sinon<br />

pactives[c-1J:=pactives[c-1] -1<br />

fin si<br />

détruire la paroi courante;<br />

sinon<br />

si C lien = 1 l alors<br />

avancer d'une paroi<br />

fin si<br />

fin si<br />

tel-00839591, version 1 - 28 Jun 2013<br />

AVANCER d'une paroi:<br />

PP .- pc;<br />

pc .- ps;<br />

ps .- pc->sv;<br />

<strong>DE</strong>TRUIRE la paroi courante:<br />

pc : = ps;<br />

pp->sv := pc;<br />

ps := pc->sv;<br />

ps:=pc->sv;

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