Data Annotation & Labeling

Powering the next generation of AI with high-quality, scalable, and secure training data.

AI and Robotics

Precision-Driven Data for Mission-Critical AI

At ZST, we transform raw data into the high-quality, structured datasets that are essential for building and training robust machine learning models. Our dedicated team of over 300 annotation experts ensures pixel-perfect accuracy and consistency, enabling your AI initiatives to perform at their peak.

Our Annotation Capabilities

We offer a comprehensive suite of annotation services across various data types.

Image & Video Annotation

From simple bounding boxes to complex semantic segmentation, we label visual data with unparalleled precision.

  • Bounding Boxes & Polygons
  • Semantic & Panoptic Segmentation
  • Keypoint Annotation
  • Object Tracking

Text Annotation

Unlock insights from unstructured text data for NLP applications like chatbots, search, and document analysis.

  • Named Entity Recognition (NER)
  • Sentiment Analysis
  • Text Classification
  • Entity Linking

Audio Annotation

Process and label audio data for voice assistants, speech recognition systems, and sound analysis.

  • Audio Transcription
  • Sound Event Detection
  • Speaker Diarization
  • Utterance Collection

3D & LiDAR Annotation

Expert annotation for 3D point cloud data, crucial for autonomous driving, robotics, and AR/VR.

  • 3D Cuboid Annotation
  • Point Cloud Segmentation
  • LiDAR Object Detection
  • Sensor Fusion Labeling

Our Annotation Process

A structured approach to guarantee quality and efficiency from start to finish.

1

Project Kick-off

We work with you to understand your specific requirements, guidelines, and quality benchmarks.

2

Annotation & Labeling

Our skilled annotators use advanced tools to label your data with exceptional speed and accuracy.

3

Quality Assurance

A multi-level review process, including peer review and manager audits, ensures our high-quality standards are met.

4

Data Delivery

We deliver the clean, structured, and ML-ready dataset in your desired format via secure channels.

The ZST Advantage

Why industry leaders trust us with their most complex data annotation challenges.

Uncompromising Quality

Multi-level review processes and a commitment to excellence ensure a 99.8% accuracy rate.

Massive Scalability

Leverage our skilled workforce of 300+ annotators to handle large-volume projects with ease.

Robust Security

Your data is protected by stringent security protocols and compliance with industry standards.

Domain Expertise

Experienced in diverse sectors including autonomous vehicles, medical AI, retail, and more.

Ready to build better AI?

Let's discuss your project. Our experts are ready to help you achieve your data labeling goals.

Start Your Project Today