Algorithm 1: Embedding pseudocode

$\mathrm{foreach} AMBTC-compressed block b_{i}in T do$     $\mathrm{if} H_m-L_m\le 4$then  /* non-embeddable block */       $\mathrm{Do} \mathrm{nothing};$     $else if b_i is first embeddable block then$       $\mathrm{embedding} \mathrm{dictionary} D \mathrm{number};$     $else$       $foreach pixel x{\prime }_i in b_i do$        $\mathrm{find} \mathrm{adjusting} \mathrm{pixel} \mathrm{values} P_v \mathrm{in} D;$        $x\prime {\prime }_i=x{\prime }_i+ P_v$;       $end$     $end$   $end$