# Data Collection

{% content-ref url="data-collection/data-collection-principles" %}
[data-collection-principles](https://docs.theiamarkerless.com/theia3d-documentation/data-collection/data-collection-principles)
{% endcontent-ref %}

{% content-ref url="data-collection/recording-intrinsic-lens-calibrations" %}
[recording-intrinsic-lens-calibrations](https://docs.theiamarkerless.com/theia3d-documentation/data-collection/recording-intrinsic-lens-calibrations)
{% endcontent-ref %}

{% content-ref url="data-collection/recording-extrinsic-chessboard-calibrations" %}
[recording-extrinsic-chessboard-calibrations](https://docs.theiamarkerless.com/theia3d-documentation/data-collection/recording-extrinsic-chessboard-calibrations)
{% endcontent-ref %}

{% content-ref url="data-collection/recording-extrinsic-object-calibrations" %}
[recording-extrinsic-object-calibrations](https://docs.theiamarkerless.com/theia3d-documentation/data-collection/recording-extrinsic-object-calibrations)
{% endcontent-ref %}