• 2 min read
Roboflow and OpenCV Partner to Advance Computer Vision Capabilities for All Developers
As a part of our joint partnership, Roboflow and OpenCV create educational blogs, webinars, and courses together.
• 12 min read
Build an Egg Counting System with Computer Vision
Learn how to build a system to count eggs on an assembly line using computer vision.
• 9 min read
Find Minecraft Trees with Computer Vision
Learn how to identify and mine Minecraft trees with computer vision.
• 9 min read
How to Create a Retail Planogram using Computer Vision
Learn how to create a retail planogram from a photo using computer vision.
• 7 min read
What is ByteTrack? A Deep Dive.
SUMMARY
ByteTrack is a multi-object tracking algorithm that improves on earlier methods by using all detections, not just high-confidence ones, to maintain consistent object identities across video frames. Its two-stage data association module first matches high-confidence detections to existing tracklets, then reconciles lower-confidence ones using
• 6 min read
Error Proofing AI in Manufacturing
SUMMARY
Manufacturing defects left undetected can consume up to 20% of company revenue, and computer vision offers a more accurate and scalable alternative to manual inspection for catching them. Object detection and instance segmentation models can flag scratches, misalignments, and assembly errors in real time as products move along a
• 13 min read
How to Map User Inputs in Video Games with Computer Vision
SUMMARY
This tutorial uses computer vision to track player inputs in the mobile game Brawl Stars by detecting the positions of on-screen joystick and attack buttons frame by frame. A Roboflow object detection model is trained on 8 in-game button classes, a Workflow handles inference, and the Roboflow
• 8 min read
Measure Fish Size using Computer Vision
Learn how to use computer vision to measure the size of fish.
• 6 min read
How to Create a Workout Pose Correction Tool
SUMMARY
This tutorial builds a real-time workout form checker using a custom Roboflow keypoint detection model trained to locate the left and right sides of a weight, combined with MediaPipe body tracking and deployed through Roboflow Workflows. The pipeline processes each video frame, extracts keypoints from both sources, and
• 8 min read
How to Build a Reading Assistant with AI
SUMMARY
This tutorial builds an interactive reading assistant that detects a finger pointing at a word on a page using an object detection model, reads the word using OCR, and then calls GPT-4 to pronounce it aloud, all wired together inside a Roboflow Workflow and run as a live
• 6 min read
How to Deploy Hugging Face Models with Roboflow
SUMMARY
Computer vision model weights hosted on Hugging Face, including YOLOv8 variants for detection, segmentation, classification, and keypoint tasks, can be downloaded with Git-LFS and uploaded directly to Roboflow for edge or private-cloud deployment via Roboflow Inference. This guide walks through each step, from cloning model weights to
• 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 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 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
• 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 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.
• 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.
• 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.
• 5 min read
Inspecting Solar Panels with Thermal Drones
Learn how to use computer vision to identify hot spots on solar panels.
• 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
• 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.
• 10 min read
Automating Water Meter Reading using Computer Vision
Learn how to read the digits on a water meter using computer vision.
• 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.
• 6 min read
Monitor and Increase Assembly Line Throughput with Computer Vision
Learn how to monitor assembly line throughput with computer vision.
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