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#!/usr/bin/perl
use strict;
use Getopt::Long;
use IO::Handle;
STDERR->autoflush(1);
STDOUT->autoflush(1);
my $sequence_dir;
my $ab_dir;
my $dt = 1;
GetOptions (
"sequence_dir=s" => \$sequence_dir,
"ab_dir=s" => \$ab_dir,
"dt=i" => \$dt,
);
print 'sequence_dir: ' . $sequence_dir . "\n";
print 'ab dir: ' . $ab_dir . "\n";
if (! $sequence_dir || ! $ab_dir || ! -e $sequence_dir) {
print "usage: $0 --sequence_dir ... --ab_dir ... --dt 1\n";
exit(1);
}
$sequence_dir .= "/";
$ab_dir .= "/";
mkdir($ab_dir);
mkdir($ab_dir . "A/");
mkdir($ab_dir . "B/");
mkdir($ab_dir . "A/train/");
mkdir($ab_dir . "B/train/");
mkdir($ab_dir . "A/val/");
mkdir($ab_dir . "B/val/");
mkdir($ab_dir . "A/test/");
mkdir($ab_dir . "B/test/");
our @files = ();
opendir DIR, $sequence_dir;
while (readdir DIR) {
next if /^\./;
push(@files, $_);
}
closedir DIR;
our @sequence = sort @files;
my $count = scalar(@sequence) - $dt;
print "$count images in sequence\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 = $sequence_dir . $sequence[$id];
my $b_frame = $sequence_dir . $sequence[$id+$dt];
my $fn = sprintf("frame_%05d.png", $i);
#print "$fn $x $y $a_frame\n";
system("ln", "-s", $a_frame, $ab_dir . "A/" . $dir . $fn);
system("ln", "-s", $b_frame, $ab_dir . "B/" . $dir . $fn);
}
print $count . "\n";
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