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Case study · Computer vision

PPE compliance detection

A real-time detector that recognizes whether workers are wearing the right protective equipment — helmets, vests, masks, eyewear, gloves, shields and boots — from ordinary site cameras.

Sector
Industrial safety
Context
Applied R&D
Practice
Computer vision
Delivered by
Saerosense founding team
  • 7PPE classesHelmet, shield, safety vest, dust mask, eyewear, gloves, boots
  • 2.3ktraining imagesPlus 652 validation and 327 test images
  • YOLO-NASdetectorArchitecture found by neural architecture search

The challenge

Safety teams can’t watch every camera, and PPE violations are small objects — a missing glove, a mask under the chin — on people moving constantly through cluttered industrial scenes.

Our approach

We trained a YOLO-NAS detector on a Roboflow PPE dataset covering seven equipment classes, with held-out validation and test splits to measure generalization before any site deployment.

Workflow

How it works, step by step.

The pipeline in 4 stages, from data to monitor. Each stage has a clear input, a clear output and a reason to exist.

  1. 01

    Data

    Roboflow PPE detection dataset: 2.3k training, 652 validation and 327 test images.

    • Roboflow
  2. 02

    Train

    YOLO-NAS fine-tuned for the seven PPE classes.

    • YOLO-NAS
  3. 03

    Detect

    Per-frame boxes and confidence scores for each item of equipment.

    • Real-time inference
  4. 04

    Monitor

    Detections support compliance checks for safety teams at construction, manufacturing and mining sites.

    • Site safety

Results

What it produced.

Stack & techniques

  • YOLO-NAS
  • Object detection
  • Roboflow
  • Python

Delivered by members of the Saerosense founding team. Client names are withheld unless public — references are available on request.

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