Mostafa Ibrahim

22 Sep 2026 • 7 min read

Fix Class Imbalance in Defect Detection

How to diagnose rare-class failures and improve defect detection with active learning, oversampling, targeted augmentation, synthetic data, and RF-DETR evaluation in Roboflow.

8 Sep 2026 • 10 min read

Auto Label with GPT-6 Astra in Roboflow

GPT-6 Astra runs zero-shot detection on your images and returns bounding boxes for the classes you define.

3 Sep 2026 • 7 min read

How to Set a Confidence Threshold for Object Detection

Learn how to choose and validate an object detection confidence threshold using precision, recall, error costs, and real-world model behavior.

2 Sep 2026 • 12 min read

Finding Edge Cases in a Computer Vision Dataset

Mine low-confidence predictions from production images, review them with a VLM, then label and retrain.

28 Aug 2026 • 9 min read

How to Auto-Label Image Data with Gemini 3.7 in Roboflow

Roboflow Auto Label runs Gemini 3.7 across the batch and returns bounding boxes for the classes you define.

26 Aug 2026 • 7 min read

Robotics Perception Stacks: How Robots Understand Their Environment

Learn how robotics perception stacks combine cameras, sensors, computer vision models, tracking, and sensor fusion to help robots understand and interact with their environment.

22 Aug 2026 • 10 min read

Robotics Training Data

How to collect robotics training data from a robot’s point of view and turn it into a dataset that stays useful as the task changes.

20 Aug 2026 • 7 min read

GS1 Sunrise 2027: How to Verify 2D Barcodes on the Production Line

Learn what GS1 Sunrise 2027 requires and how computer vision can verify 2D barcode quality, label placement, mixed barcode reading, product data, and downstream scanning with Roboflow.

18 Aug 2026 • 10 min read

How to Verify Torque Marks with Computer Vision

Learn how to verify torque marks with computer vision using RF-DETR and a Vision-Language Model.

12 Aug 2026 • 11 min read

How to Measure Object Orientation and Angle with Computer Vision

Learn to measure tilt and lean with PCA on segmentation masks, then build an alerting Workflow in Roboflow.

10 Aug 2026 • 7 min read

Hand-Eye Calibration for Robot Vision with RF-DETR

Learn how to map camera detections into robot coordinates using hand-eye calibration, so a vision-guided robot can locate targets and use those positions for accurate picking and motion tasks.

7 Aug 2026 • 6 min read

Machine Vision Lighting

Learn how to fix glare, sunlight, and hardware drift with the right lighting setup before retraining.

4 Aug 2026 • 10 min read

How to Detect Small Objects in Drone Imagery

Train RF-DETR to detect people and vehicles that appear small in aerial imagery, then build a Roboflow Workflow that counts detections and uses Gemini to inspect the scene.

4 Aug 2026 • 9 min read

Dwell Time and Zone Analytics with Vision AI

Measure dwell time and zone analytics from any camera: train RF-DETR, track people with ByteTrack, and time each visitor inside a defined zone.

4 Aug 2026 • 9 min read

P&ID Symbol Detection for Engineering Drawing Digitization

Detect common symbols in piping and instrumentation diagrams, then use OCR to extract text from instrument-related regions.

3 Aug 2026 • 9 min read

How Often Should You Retrain a Computer Vision Model?

Learn how to recognize performance decline, data drift, new edge cases, and other signs that indicate a computer vision model needs retraining.

3 Aug 2026 • 18 min read

Human-Object Interaction Detection with RF-DETR

Build human-object interaction detection without interaction labels: RF-DETR finds people and forklifts, Gemini classifies safe vs unsafe, in Roboflow.

31 Jul 2026 • 9 min read

Powder-Coat Defect Detection

Detect craters, orange peel, bubbles, and scratches with RF-DETR, then use Gemini 2.5 Pro to summarize the visible defect and its apparent severity in the annotated image.

30 Jul 2026 • 10 min read

Machine-Vision AI for Surface Defect Severity Assessment

Build a computer vision pipeline for identifying surface defect severity and evaluating product quality.

27 Jul 2026 • 10 min read

Retail Object Detection with RF-DETR

Train a model to detect empty shelf spaces and automate restocking decisions.

24 Jul 2026 • 6 min read

How to Do Augmentation for YOLO in Roboflow

Learn how to choose augmentations that match your dataset and train a YOLO26 model in Roboflow.

22 Jul 2026 • 8 min read

Hog Ring Detection with Computer Vision

Detect visible hog rings with RF-DETR, compare their positions with predefined attachment zones, and use Gemini 2.5 Pro to generate an automotive seat inspection summary.

22 Jul 2026 • 10 min read

Flanges Quality Inspection with Computer Vision

Train RF-DETR to catch flange face defects, then sort results into pass, review, and fail.

19 Jul 2026 • 9 min read

Vision AI Vs. Sensors

A practical framework for choosing between a sensor and a camera on the plant floor.