Get image from modules deployed in pub
$this->getViewFileUrl('path');
//Example:
<img src=<?php echo $this->getViewFileUrl('TopGroup_ComparadorPrecios/images/hyper-logo-landing.png') ?> alt="Precios Hyper Garantizados">
// Get this image http://c4m2.local/static/version1493213340/frontend/TopGroup/carrefour/es_AR/TopGroup_ComparadorPrecios/images/hyper-logo-landing.png