Roboflow Blog

8 Aug 2024 • 5 min read

Automatic Stop Sign Violation Detection

SUMMARY This community-contributed project determines whether a vehicle correctly stops at a stop sign by chaining RF-DETR vehicle detection, a fine-tuned front-wheel detection model, and Roboflow PolygonZone geometry checks across a stop zone and an out zone. Vehicles that fail to stop before the white line

8 Aug 2024 • 8 min read

What is Optical Character Verification? A Comprehensive Guide

SUMMARY Optical Character Verification (OCV) reads printed text on product packaging using OCR and then compares the result against known reference data to catch errors in expiration dates, batch numbers, barcodes, and lot codes before products leave the line. In consumer packaged goods manufacturing, OCV automates a check that would

8 Aug 2024 • 8 min read

Camera Calibration in Sports with Keypoints

SUMMARY Accurate player tracking in sports footage requires mapping pixel coordinates from a moving camera to real-world field positions, and this tutorial covers how to do that by training a YOLOv8 keypoint detection model to recognize characteristic landmarks on a soccer pitch, then using those detections to compute a

7 Aug 2024 • 8 min read

How to Extract Text From Images

SUMMARY Optical Character Recognition (OCR) converts static image content in JPG, PNG, or PDF formats into machine-readable text, enabling automation of data entry, accessibility improvements, translation workflows, and document analysis. Roboflow's OCR API is one practical tool for this, offering a programmatic way to extract text at

7 Aug 2024 • 7 min read

How to Build a Computer Vision Active Learning Workflow

Learn how to build an active learning pipeline for computer vision projects with Roboflow Workflows.

6 Aug 2024 • 7 min read

Ball Tracking in Sports with Computer Vision

Ball tracking is crucial for AI systems to analyze sports effectively, but it's challenging due to factors like the ball's small size, high velocity, complex backgrounds, similar-looking objects, and varying lighting. This tutorial will teach you how to overcome these challenges.

2 Aug 2024 • 3 min read

How to Import Hugging Face Datasets to Roboflow

Learn how to import a Hugging Face dataset into Roboflow for labeling, training, and deployment.

2 Aug 2024 • 5 min read

Inspecting Solar Panels with Thermal Drones

Learn how to use computer vision to identify hot spots on solar panels.

1 Aug 2024 • 7 min read

How to Use SAM 2 for Video Segmentation

SUMMARY Segment Anything Model 2 (SAM 2) is a unified image and video segmentation model from Meta that achieves 3 times fewer required interactions than prior approaches and runs 6 times faster than the original SAM. This walkthrough covers how to load and configure SAM 2 (available in four sizes

31 Jul 2024 • 7 min read

How to Label Data with Grounded SAM 2

Learn how to use Grounded SAM 2 with Autodistill to auto-label data for image segmentation models.

30 Jul 2024 • 10 min read

Automating Water Meter Reading using Computer Vision

Learn how to read the digits on a water meter using computer vision.

30 Jul 2024 • 8 min read

What is Segment Anything 2 (SAM 2)?

Learn about Meta AI's new Segment Anything 2 model and how you can use it for image and grounded image segmentation.

25 Jul 2024 • 6 min read

Monitor and Increase Assembly Line Throughput with Computer Vision

Learn how to monitor assembly line throughput with computer vision.

25 Jul 2024 • 4 min read

Identify Solar Panel Locations with Computer Vision

Learn how to identify solar panel locations with computer vision.

25 Jul 2024 • 5 min read

How to Build a CPG Inventory Cataloging System

Learn how to build a Consumer Packaged Goods inventory management system with computer vision.

25 Jul 2024 • 5 min read

How to Build an Automated License Plate Reading Application

Learn how to build an automated license plate reading application with computer vision.

22 Jul 2024 • 4 min read

How to use MobileNetV4 for Classification

Learn how to use the MobileNetV4 architecture to classify images using pre-trained model weights.

22 Jul 2024 • 7 min read

How to OCR Hand-Written Notes with GPT-4

Learn how to OCR hand-written notes with GPT-4.

22 Jul 2024 • 5 min read

Launch: Deploy PaliGemma Models with Roboflow

Learn how to deploy PaliGemma models with Roboflow.

19 Jul 2024 • 5 min read

Evaluating 2024 Euro Cup and COPA America Cup Jersey Color Accessibility

Read how we built a system to evaluate the color contrast of football jerseys used in the 2024 Euro Cup.

19 Jul 2024 • 12 min read

Tomato Leaf Disease Detection and Diagnosis using Computer Vision

Learn how to build a tomato leaf disease detection and diagnosis system with computer vision.

19 Jul 2024 • 11 min read

Automated Book Inventory using Computer Vision

Learn how to build a book inventory system with computer vision.

19 Jul 2024 • 8 min read

People Counting Using Computer Vision

SUMMARY Computer vision-based people counting tracks entry and exit flows in real time, giving organizations accurate occupancy data that manual headcounts cannot match at scale. This tutorial uses a people detection model from Roboflow to build a working counter that draws bounding boxes, overlays a running tally on each

17 Jul 2024 • 5 min read

How to Augment Images for Image Segmentation

Learn how to generate augmented images for use in training instance segmenation models.