Common::getImageCandidates

protected function getImageCandidates()
{
	$result = array();
	foreach ($this->imgElements as $imgElement)
	{
		$imageDimensions = $this->getImageDimensions($imgElement);
		if($imageDimensions['width'] >= self::MIN_IMAGE_WIDTH && $imageDimensions['height'] >= self::MIN_IMAGE_HEIGHT)
		{
			$result[] = $imgElement['src'];
		}
	}
	return $result;
}