AI Training Data Annotation
AI Training Data Annotation

Training data your models can actually trust.

Enterprise-grade data annotation for computer vision, NLP, OCR, and speech AI — built to make your models more accurate, fair, and production-ready.

  • Multi-stage QA
  • Multilingual coverage
  • Pilot to enterprise scale
  • Human-verified accuracy

Why Data Annotation Is the Foundation of Every AI Model

AI models learn by recognizing patterns in labeled examples, so the quality of your training data shapes everything that follows. At ShatarupaX AI Labs we treat annotation as a strategic input, turning raw, unstructured inputs into labeled training data ready for supervised machine learning. Every data annotation services engagement is backed by clear labeling guidelines, experienced annotators, and multi-stage quality assurance — because a well-annotated dataset is what makes a model accurate, fair, and dependable in production.

Our Data Annotation Services

Computer Vision Annotation

We help models interpret visual data with precision-labeled datasets, including:

  • Image classification & bounding boxes
  • Semantic and instance segmentation
  • Keypoint and landmark annotation
  • Medical image annotation
  • LiDAR and point cloud annotation for 3D/sensor data

Used for Healthcare imaging, retail automation, surveillance, autonomous vehicle data annotation, robotics.

NLP & Text Annotation

We help language models understand context, not just words:

  • Named Entity Recognition (NER)
  • Sentiment analysis training data and intent classification
  • Semantic annotation
  • Conversational AI training data and dialogue annotation
  • Question answering dataset creation and summarization training data

Used for Chatbots, search relevance, customer support automation, and broader NLP data annotation needs across languages.

Video Annotation

We extend labeling across time, tracking objects frame by frame so models gain temporal context:

  • Multi-object tracking with persistent IDs
  • Frame-by-frame bounding boxes and segmentation
  • Action and event boundary labeling
  • Interpolation review across long sequences
  • Video classification and scene-level labeling

Used for Autonomous driving, activity recognition, surveillance analytics.

OCR & Document Annotation

We turn unstructured documents into machine-readable training data:

  • Invoice and form annotation
  • Handwritten text recognition
  • Document classification and image labeling
  • Table and key-value pair extraction
  • Multi-language document annotation

Used for Invoice and contract processing, insurance claims automation, financial document intelligence, compliance record digitization.

Speech & Audio Annotation

We support voice AI development with:

  • Transcription and speaker identification
  • Emotion and intent tagging
  • ASR training data and speaker diarization
  • Multilingual data annotation, including Indian language annotation across regional dialects
  • Background noise and audio quality tagging

Used for Voice assistants, call analytics, conversational AI.

LLM & Generative AI Training Data

As large language models scale, so does the need for structured human feedback:

  • Instruction-tuning datasets
  • RLHF (Reinforcement Learning from Human Feedback) annotation
  • Supervised fine-tuning data (SFT) and instruction data annotation
  • Response ranking & preference labeling
  • AI output evaluation and safety/alignment review

Used for Enterprise chatbot alignment, generative model evaluation, copilot development, RLHF-based safety tuning.

For autonomous vehicle data annotation and robotics projects, our computer vision annotation services extend to traffic sign annotation, pedestrian annotation, lane detection annotation, and road-scene labeling — the sensor data annotation work that lets self-driving and robotics platforms interpret the physical world safely.

How Our Annotation Process Works

  1. Define the task

    We write detailed labeling guidelines with your team, covering edge cases and validation rules upfront.

  2. Prepare the data

    Raw images, text, audio, or video is cleaned, structured, and formatted for annotation.

  3. Annotate

    Trained annotators label data using clear standards, supported by pre-labeling tools where useful.

  4. Quality assurance

    Every dataset passes through inter-annotator agreement checks and multi-stage review before delivery.

  5. Deliver

    You receive a validated, training-ready dataset compatible with your ML pipeline.

Why Human Annotators Still Matter

Automation can pre-label data fast, but it can't judge sarcasm, cultural nuance, ambiguous intent, or domain-specific jargon the way a trained human can. This becomes even more critical in LLM alignment work, where annotators aren't just labeling — they're evaluating and ranking model outputs to shape how an AI actually behaves.

Automation for volume, human expertise for judgment — combined through a structured QA process so nothing slips through.

Industries We Serve

Healthcare

Radiology image annotation, clinical NLP annotation, electronic health record annotation, medical AI training data

Retail & E-commerce

Product classification, visual search, recommendation datasets

Finance

Document processing, fraud-detection, automation datasets

Autonomous Systems

Road-scene annotation, sensor labeling, robotics datasets

Build In-House or Work With Us?

Build in-house

Building an internal annotation team makes sense if you have highly specialized, proprietary data and a continuous, high-volume need that justifies the infrastructure investment.

Work with ShatarupaX

Working with ShatarupaX makes sense when you need to move fast, scale across data types or languages, or plug in a managed QA process without building one from scratch.

Most teams we work with fall into the second category — and that's exactly where we add the most value.

Why Outsource Data Annotation to ShatarupaX

For most teams, choosing to outsource data annotation rather than building an internal team is the faster, more cost-efficient path. As a data annotation company based in New Delhi, we support enterprise data annotation and scalable data annotation for clients across India and internationally — offering:

  • Transparent data annotation pricing — that scales with volume and complexity
  • Managed annotation services — so you get an end-to-end AI data operations partner instead of piecemeal task support
  • Dataset validation and gold standard benchmarking — built into every delivery
  • A trusted data annotation vendor relationship — start with a small pilot before scaling to a full engagement

Whether you're searching for a data annotation company India, AI data annotation services in Delhi, Bangalore, Mumbai, or Noida, or simply need a dependable AI training data outsourcing partner, our teams are built to plug directly into your ML pipeline.

Frequently Asked Questions

What is data annotation?

It's the process of labeling raw data — images, text, audio, video, or documents — so machine learning models can learn from accurate, structured examples.

How does annotation quality affect my model?

Directly. Inconsistent or incorrect labels teach your model the wrong patterns. Clear guidelines, consistent execution, and rigorous QA are some of the strongest predictors of real-world model performance.

What types of data can you annotate?

Images, text, audio, video, and documents — across computer vision, NLP, OCR, speech, and LLM/generative AI use cases.

How much does data annotation cost?

Data annotation pricing depends on data type, volume, complexity, and required accuracy — simple image classification typically costs less than detailed medical image annotation or LLM response evaluation. Share your project scope with us for an accurate data annotation quote.