# How to Use the Floor Detection Feature?

As you open the app, a gif appears to guide you on placing  the ground detection marker on the floor.

<figure><img src="https://s3-ap-south-1.amazonaws.com/ind-cdn.freshdesk.com/data/helpdesk/attachments/production/84035086099/original/qkJ8uGnjcRmK4KnFfM3FaqDuAIKA-RAkgg.jpg?1684311594" alt=""><figcaption></figcaption></figure>

Detection of the floor on which the object is kept is critical and enables bounding box placement. In this stage, a floor marker appears on the screen that can be moved adaptably over the various horizontal surfaces in the scene.

The marker (mat) has two states:

1. Detection in progress (marker takes the shape of corner angles for the initial few seconds)

<figure><img src="https://s3-ap-south-1.amazonaws.com/ind-cdn.freshdesk.com/data/helpdesk/attachments/production/84035086122/original/1qIAnmtUbY4XdzMc0lWJ_LhkVsIJs0tWEw.jpg?1684311608" alt=""><figcaption></figcaption></figure>

2. Floor detected (marker appears like a whole mat)

<figure><img src="https://s3-ap-south-1.amazonaws.com/ind-cdn.freshdesk.com/data/helpdesk/attachments/production/84035192266/original/mTBDOC9kJtoO3yFkJKaaW7Mm9mqYqtGEmA.png?1684397222" alt=""><figcaption></figcaption></figure>

To begin the process:

* face the front of the object to be captured and
* point the phone towards its base in front of the object

This should normally result in quick floor detection (the marker appears in the shape of a mat). If detection takes time (corner angles)  move the phone slightly from side to side before focusing on the base of the object, to make detection easier.

*Important:*&#x20;

* Surface detection works well with textured surfaces, such as a carpeted floor or a table with a textured table cloth though they should be perfectly flat and with no wrinkles or surface aberrations.
* &#x20;It is best to avoid glossy and plain surfaces to place the object on. White surfaces might lead to problems with discovery.


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