# Adding more cameras to VIO

Source: https://forum.modalai.com/topic/3367/adding-more-cameras-to-vio
Category: Autonomy: VIO, Mapping and Navigation (https://forum.modalai.com/category/19/autonomy-vio-mapping-and-navigation)
Tags: vio
Posted: 2024-04-28 11:54:16 UTC by K.Stute
Replies: 1 · Views: 1996

## K.Stute · 2024-04-28 11:54:16 UTC

Hi,

is my assumption correct that only one camera + imu is used for the position estimation? Is it possible to include more tracking cameras? 
Background:
I have 4 tracking cameras one at each side of my drone. Including these into the qvio-server should improve the position estimate right?

## Reply by kailyGen · 2026-05-21 06:33:10 UTC

Adding more cameras can definitely improve robustness, but synchronization and calibration become super important once you go beyond the default setup. Even small timestamp offsets between sensors can throw VIO off pretty badly. I’d also keep an eye on bandwidth and CPU usage because extra camera streams add up fast on embedded systems.