Bounding boxes
Localizing and classifying objects quickly with tight rectangular boundaries, essential for object detection and tracking.
Image Labeling Services
Image Annotation
Bounding boxes, polygons, and semantic segmentation for rigorous computer vision models. High precision at industrial scale.
RUN FREE PILOTFeatured case study
Bounding Box
Object detection & localization datasets
Trusted by leading brands
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Your data problem
has a human solution.
CV Engineers
Your bounding boxes and polygons are only as good as the annotators behind them — we make every pixel countSkip the labeling grind and iterate faster on your vision models with clean, structured data
Vision Dataset Businesses
We don't just fill quotas — every batch is reviewed, refined, and release-ready at scaleWhether it's 10K or 10M images, we maintain quality at every tier of volume
Autonomous Vehicles
Imprecise lane masks or missing pedestrian labels can cost lives — we treat every annotation with that weightWe handle the full sensor stack: cameras, LiDAR fusions, and multi-class street scenes
Medical AI Teams
Diagnostic-grade annotation requires clinical context — our specialists understand medical imagingWe annotate pathology slides, CT scans, and MRIs with the precision your models demand
Our Annotation Services for Computer Vision & Image Data
We provide high-precision annotation for all major computer vision tasks and datasets. Our global team can expertly deliver the following image annotation services:
Bounding boxes — Object detection
Locating and classifying objects with tight bounding boxes for real-time AI perception.
Object detection
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A Futureproofed Pipeline
We exist for a future where high-performance computer vision models are built on pristine, expertly annotated image data running perfectly within your infrastructure.
Step 1
Free Pilot
Step 2
QA Review
Step 3
Proposal
Step 4
Start Labeling
Step 5
Delivery
Estimate Your Costs for ML projects
1 Pick application field
Computer Vision
2 Select annotation method
Keypoints
3 Specify how many objects to label
Amount
objects
SmallMediumLarge
4 Check the approximate total cost
Estimated Cost:$0 /total
5 Run free pilot
Why Projects Choose Engai for Image Annotation
98%
Mask Accuracy
5x
Faster Delivery
20%
Cost Reduction
Train Better Vision Models
Clean, precise annotations feed your models exactly the ground truth they need — fewer errors, faster convergence.
Multi-Tier QA Assurance
Every annotation passes automated checks and senior human review before leaving our pipeline.
Scale Without Compromise
From pilot to production, we scale annotation capacity instantly while maintaining benchmark accuracy.
Safe and secure
Your trust is our foundation. Engai is designed with a deep commitment to data privacy and security. Visit our trust page and security center to learn more.
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Discover how Engai's Data Pipeline and AI Infrastructure platform can make your organization AI-ready:
Automatically discover and map all datasets with contextualized inventory
Effortlessly manage ML lifecycle and address governance gaps
Drastically reduce deployment time by mitigating edge-case risks
Immediately detect and respond to model drift to minimize threat impact
Proactively apply zero-trust protection mechanisms for proprietary data
Live Infrastructure Telemetry
1.2BData Points
189Models
24Pipelines
3Alerts
TypeOriginOwnerStatus
Vision ModelGitHubDave DigsterHealthy
DatasetAWS S3Emily ThompsonSyncing
DeploymentGCPRobert BrownActive
Zero-Trust Dataset Confidentiality
Your requirements and proprietary sample assets are encrypted in transit and never used for public model training.
Support Center
Frequently Asked Questions
Engai provides a comprehensive range of image annotation services including bounding boxes, semantic and instance segmentation, polygon masks, keypoint detection, image classification, and 3D cuboid annotation. Our annotators are trained across all major vision task types for autonomous driving, medical imaging, retail, and more.