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#!/usr/bin/perl
use strict;
our $dataset = $ARGV[0];
print $dataset . "\n";
if (! $dataset || ! -e $dataset) {
print "usage: $0 [name-of-dataset]\n";
exit(1);
}
our $images_dir = "$ENV{'HOME'}/Desktop/$dataset/";
our $thumbs_dir = "$ENV{'HOME'}/Desktop/thumbs/$dataset/";
our $dt = 1;
mkdir($thumbs_dir);
mkdir($thumbs_dir . "A/");
mkdir($thumbs_dir . "B/");
mkdir($thumbs_dir . "A/train/");
mkdir($thumbs_dir . "B/train/"); mkdir($thumbs_dir . "A/val/");
mkdir($thumbs_dir . "B/val/");
mkdir($thumbs_dir . "A/test/");
mkdir($thumbs_dir . "B/test/");
our @files = ();
opendir DIR, $images_dir;
while (readdir DIR) {
next if /^\./;
push(@files, $_);
}
closedir DIR;
our @images = sort @files;
my $count = scalar(@images) - $dt;
print "$count images\n";
my $i; my $x; my $y; my $dir; my $id;
for ($i = 0; $i < $count; $i++) {
$id = $i;
if ( ($id % 10) == 5) {
$dir = "test/";
} elsif ( ($id % 10) == 8) {
$dir = "val/";
} else {
$dir = "train/";
}
if ( $i && ($i % 1000) == 0) {
print($id . "...\n")
}
#my $x = int(rand($w - $dw));
#my $y = int(rand($h - $dh));
my $a_frame = $images_dir . $images[$id];
my $b_frame = $images_dir . $images[$id+$dt];
my $fn = sprintf("frame_%05d.png", $i);
#print "$fn $x $y $a_frame\n";
system("cp", $a_frame, $thumbs_dir . "A/" . $dir . $fn);
system("cp", $b_frame, $thumbs_dir . "B/" . $dir . $fn);
}
print $count . "\n";
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