ime to extract the hidden image from the vessel results in <b>4.52 sec</b> for the Array Solution and <b>0.06 sec</b> for the PDL Solution. Details see below.</p>

<h2 id="B.-Execution-Time-of-Array-Solution">B. Execution Time of Array Solution:</h2>

<pre><code> ./ch-1.pl array
 ch-1.pl (Version 1.0) PWC #34 Task #1: Argument - array
 TIME: read_png(): 0.029254
 TIME: read_image: 0.0293169021606445
 TIME: bit_plane_array(): 1.379272
 TIME: bit_plane_array(): 1.385368
 TIME: bit_plane_array(): 1.380695
 TIM