<script src="https://cdn.jsdelivr.net/gh/aframevr/aframe@1c2407b26c61958baa93967b5412487cd94b290b/dist/aframe-master.min.js"></script> <script src="../../build/aframe-ar.js"></script> <body style='margin : 0px; overflow: hidden;'> <div style='position: fixed; top: 10px; text-align: center; z-index: 1; width: 100%; background: gray;'> White region marker (markers with white borders) example, use <a href="assets/white_000.png">this inverted marker.</a> </div> <a-scene embedded arjs='sourceType: webcam; detectionMode: mono_and_matrix; matrixCodeType: 3x3; labelingMode: white_region;' renderer='precision: medium;'> <a-marker type='barcode' value='0'> <a-sphere position="0 0.5 0" radius="1" color="red" /> </a-marker> <a-entity camera></a-entity> </a-scene> </body>