DINOv3 Segmentation for Custom Dataset: Tips, Traps, and Working Code

Sumit Pandey

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2 days ago

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By now, we all know how impressive DINOv3 is. In this tutorial, I’ll show you how to use it for segmentation on your own dataset. The guide is split into two parts: (1) Pre-Steps — download the model and set up the environment; and (2) Main Steps — build the segmentation pipeline. While Meta’s official repository covers the full process, this is a simplified, hands-on version. It’s a long read, so take your time and enjoy!

Pre-Steps

Step 1: Clone the github repo.:

Just copy this:

git clone https://github.com/facebookresearch/dinov3.git

Step 2: To download the models, click the link below and fill out the form. Within a few minutes, you’ll receive an email from Meta containing the download links.

Step 3:Download the models manually or use the script below. Simply replace …………………………. with your own download link and update checkpoint_dir…