Roboflow Annotate

19 Nov 2025 • 5 min read

Launch: Use Segment Anything 3 (SAM 3) with Roboflow

Today, we are introducing new tools powered by Segment Anything 3 (SAM 3) that significantly change how people build computer vision applications. SAM 3 is a powerful vision foundation model that detects, segments, and tracks objects in images and videos based on prompts. See our detailed SAM 3 model overview

13 Nov 2025 • 3 min read

Roboflow Named Leader in Image Recognition Software

We’re proud to announce that as of November 2025, Roboflow has been ranked the #1 Image Recognition product on G2.

9 Jan 2025 • 6 min read

5 Best Image Annotation Tools in 2025

Explore the top five image annotation tools you can use to label data for your next computer vision project.

19 Dec 2024 • 3 min read

Automate Game Scorekeeping with Vision AI

Introduction Cornhole is a game I like to play with my family during summer get-togethers. However, it can be hard to keep track of the score, leading to arguments and, occasionally, long-term family feuds.  By creating a computer vision model to keep track of the score, I’m hoping to

12 Dec 2024 • 4 min read

Count Objects on a Conveyor Belt Using Computer Vision

In many manufacturing environments, conveyor belts are used for transporting objects, especially small components such as bolts, nuts, or other fasteners through various stages of production. Being able to reliably count these objects in real-time improves inventory management, quality assurance, and overall efficiency. Introduction In this guide, we’ll walk

14 Aug 2024 • 7 min read

How to Build a Reading Assistant with AI

Readers can face trouble when encountering new, unfamiliar words. With advancements in computer vision, we can develop innovative solutions that can aid readers in overcoming these hurdles. 0:00 /0:05 1× In this article, we cover how to use object detection and optical character recognition (OCR) models to create

28 Jun 2024 • 19 min read

How to Monitor Productivity with Eye Tracking

Focusing is hard. In recent years, the amount of distractions available to us has been increasing, and we often lose track of how much we are distracted. To help myself stay engaged, I created a project that accurately tracks how many times I'm distracted in a certain period

8 May 2024 • 14 min read

Predicting the Optimal Connect 4 Move with Computer Vision

In this blog post, our goal is to explore the intersection of computer vision and game theory through the lens of a familiar classic: Connect 4. We'll be crafting an application that uses computer vision to recognize Connect 4 pieces on the board and employs the minimax algorithm

6 Feb 2024 • 6 min read

Label Verification AI: How to Verify Label Placement on Packages

Learn how to build a system to verify label placement on packages using computer vision.

11 Jan 2024 • 3 min read

How to Label Outdoor Surveillance Data for Computer Vision Models

In this guide, learn how to effectively label outdoor surveillance data for use in training computer vision models.

5 Jan 2024 • 6 min read

How to Label Image Data for Computer Vision Models

This guide discusses what image labeling is and how to effectively label images for use in training computer vision models.

1 Dec 2023 • 5 min read

How to Moderate Video Content

Learn how to use the Roboflow Video Inference API to moderate video content.

3 Nov 2023 • 3 min read

How to Provide Detailed Labeling Instructions to Outsourced Labelers

In this guide, we walk through a few tips and best practices showing how to provide detailed, useful labeling instructions to outsourced labelers.

6 Oct 2023 • 6 min read

How to Use Label Studio to Annotate Images

In this guide, we discuss what Label Studio is, some of the main features offered in Label Studio, and how to upload and annotate images in Label Studio.

28 Aug 2023 • 7 min read

Automated Labeling for Images Organized in Folders

In this guide, we show how to use a nested folder-based structure to automatically label images with Autodistill.

19 Jul 2023 • 5 min read

Improve Accuracy: Polygon Annotations for Object Detection

In this blog post, we will explore how you can improve your object detection model performance by converting your bounding box annotations to polygon annotations. We will also discuss the use of augmentations with polygon annotations and using pretrained weights to further boost performance. By the end of this post,

21 Mar 2022 • 7 min read

What is CVAT (Computer Vision Annotation Tool)?

Learn how to annotate images in CVAT, an open-source, web-based tool for labeling data for object detection, segmentation, classification, and other tasks.

27 Jul 2020 • 6 min read

VoTT for Image Annotation and Labeling

A guide on using VoTT to label your own computer vision dataset.