Data Annotation Services for AI and ML Models

Build high performing AI and ML models with accurately annotated training data at scale.

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Data Annotation and Labelling

Insufficient and poorly labeled AI training datasets can affect the accuracy, reliability, and overall performance of AI and ML models. HitechDigital offers comprehensive AI data annotation services to transform your huge and unstructured raw data into meaningful training datasets at scale.

As a leading data annotation company, our comprehensive data annotation and labeling services tackle image, text, and video data. We deliver accurately annotated datasets to prime your AI and ML data annotation models. Our bounding box, semantic segmentation, named entity recognition, sentiment analysis, and object tracking offerings ensure that your algorithms are trained on reliable, context-aware datasets.

Our data annotation services are designed to meet a variety of needs, including image annotation, video annotation, text annotation, semantic segmentation, and entity recognition. This way, we ensure that your algorithms are trained on trustworthy, context-rich datasets. Whether you’re looking to boost object detection in computer vision systems or fine-tune NLP models for chatbots, we consistently apply human-in-the-loop validation to reduce bias and enhance prediction accuracy. As your dedicated data annotation partner, we leverage cutting-edge annotation tools alongside skilled teams to manage complex datasets while upholding quality, accuracy, and quick turnaround times.

HitechDigital is more than just a machine-learning data annotation company. We are your strategic partner in delivering accurately labeled datasets for high-impact use cases like autonomous driving systems, medical diagnostics, e-commerce product tagging, smart surveillance, and much more.

100mn+

Data points

300+

Data annotators

100+

Data types annotated

99.5 %

Accuracy

Create high quality training datasets to power your AI and ML models

Annotate Data With Us Now →

Our Data Annotation Services.

Unlock the power of precise, tailored and scalable data annotation services to drive the success of your AI and ML algorithms.

Image Annotation

  • 2D/3D bounding box annotation
  • Object recognition/detection
  • Polygon annotation
  • 3D cuboid annotation
  • Semantic segmentation
  • Image Classification
  • Line and Polyline Annotation
Learn more »

Text Annotation

  • Text Classification & Categorization
  • Entity Recognition (Entity Linking, Entity Classification, Entity Annotation)
  • Semantic Annotation
  • Linguistic Annotation
  • Phrase Chunking
Learn more »

Video Annotation

  • Bounding Boxes
  • Polygon Annotation
  • Keypoint Annotation
  • Landmark Annotation
  • 3D Cuboid Annotation
  • Polyline Annotation
Learn more »

LiDAR Annotation

  • Precise 3D object labeling
  • Lane and road mapping
  • Bounding box annotations
  • Semantic segmentation support
  • Autonomous vehicle training

Audio Annotation

  • Timestamped transcription
  • Language and accent tagging
  • Speaker Diarization tagging
  • Audio Event Detection
  • Music Annotation
  • Speech Transcription
  • Speech recognition

Multimodal Annotation

  • Cross-data type labeling
  • Contextual sentiment annotation
  • Multisensory input alignment
  • Synchronized multi-sensor tagging
  • AI-ready diverse datasets
  • Text, image, audio fusion

Our Customers.

Success Stories.

More than 95% of our clients are recurring, a testament to the unwavering trust and satisfaction our services consistently deliver.

HitechDigital’s annotation and labeling solutions worked wonders for us. They not only provided high-quality text annotations, but also saved us time and resources.

Operations Head, Construction Technology Company, Germany

Thank you, HitechDigital, for providing best-in-class image annotation services, including multiple stages of audit and review of labeled data.

Vice President, Operations, Californian Technology Company

HitechDigital annotated human poses accurately making it much easier for our machines to easily detect human activity and interactions in various situations.

Director Operations, Data Analytics Company, USA

Benefits of AI Data Annotation Services.

Core Data Annotation Techniques.

Power your AI models with cutting edge annotation strategies

Bounding Box

Bounding Box Annotation

Draw a rectangle or square around the object:

  • Mark objects like boxes of food or road signs
  • Identify objects and contextual positions
  • Simplify the object detection process
  • Improve object detection models

Polygonal Segmentation

Polygonal Segmentation

Draw polygons to define object shape and location:

  • Map object edges precisely in images
  • Outline organs, lesions, in radiology
  • Track aerial images for crops, land etc.
  • Engineer objects and shapes for robotics

Polyline Annotation

Polylines Data Annotation Company

Plot continuous lines for linear features.

  • Trace linear objects in images/videos.
  • Mark roads, rail tracks, and pipelines.
  • Map roads, rivers, and boundaries.
  • Outline irregular shapes like tumors.

Landmark Annotation

Landmarking

Marking points of interest for localization of elements.

  • Mark key features for facial recognition.
  • Mark joints for body pose estimation.
  • Label features to identify species.
  • Mark objects and pointers for routing.

Object Tracking

Object Tracking Computer Vision

Monitor objects in image sequences and video frames.

  • Monitor people, vehicles, for security
  • Track the movements of athletes
  • Track vehicles, objects, for navigation
  • Track objects for robots to move and work

3D Point Cloud Annotation

3D Point Cloud Annotation Company

Create 3D models with data from LiDAR, stereo cameras.

  • Detect and classify for exact dimensions.
  • Label vehicles, people, signs, and lanes.
  • Navigate spaces for robots to perform.
  • Map terrains, forestry, and resources.

Data Annotation Application.

Cross-Industry Utilization of Data Annotation Services

Healthcare

Used in pathology and neurology to identify patterns for making quick and accurate diagnoses. It helps train AI systems in differentiating data obtained from normal and injured medical images to generate the final reports of the examined individuals.

Retail and E-commerce

Used for product categorization it improves search relevance and user experience. Annotators are shown product titles, descriptions, and images and are asked to tag them from a list of departments the e-commerce store has provided.

Automotive

The increasing adoption of image data annotation tools in the automotive sector is driving the growth of the data annotation tools market. It is used in the development of self-driving cars.

Agriculture

Used to detect issues such as plant diseases or pests’ presence accurately, it helps farmers to improve crop quality while reducing losses due to issues that affect yield.

Finance

Used to detect fraud and assess risk, analyze investments, personalize customer service and adhere to regulatory compliance, fast-track decision-making, and optimize operations.

GIS Mapping

Data annotation in GIS analytics and mapping is used to improve city planning, analyze project risks, and optimize infrastructure planning and management.

How We Annotate Data.

Meticulous annotation workflows to ensure precision and consistency in every data point.

Data Annotation and Labelling Process Click to view in PDF →

Service Leadership.

Prioritizing client’s growth, fostering trust, collaboration, and leading with empowerment to achieve shared success.

Bachal Bhambhani

Bachal Bhambhani

Sr. Vice President, Sales

Bachal represents HitechDigital in North America, and helps client and our production teams collaborate effectively on projects and partnership initiatives.

Snehal Joshi

Snehal Joshi

Director, Data Solutions & BPM

Snehal, a seasoned leader, manages a large data team. He's delivered numerous projects, driving growth through process innovation for clients across industries.

FAQs.

What types of data do you annotate?

We annotate text, image, audio, video, and LIDAR Point cloud data depending on your specific project requirements.

How do you ensure the quality of annotated data?

Our rigorous quality control mechanism to ensure the quality of annotated data includes a blend of human expertise and automated tools. In-built validation, spot checks and multi-level quality controls are some of these. Our teams also adhere to industry best practices of developing clear annotation guidelines and establishing continuous feedback loops.

How do you handle large volumes of data?

We have a team of 300 qualified annotation specialists to handle massive volumes of data. The team can be ramped up at short notice to meet spikes in volume, corresponding to business needs. Our teams also use production-grade annotation platforms, automated workflows and cutting-edge tools to accelerate our annotation processes. A human in the loop approach ensures that we are not bogged down by the limitations of automation.

What does a data annotation specialist do?

Our data annotation specialists meticulously label raw data (images, text, and video) to make it usable for AI and ML models. They identify objects, categorize information, and provide context, ensuring the data is accurate and consistent with effective model training and performance. Their expertise is crucial for building intelligent systems.

What type of data annotation support do you provide?

We offer comprehensive data annotation support across various modalities, including images (bounding boxes, segmentation), text (NER, sentiment analysis), and video (object tracking). Our services are tailored to your specific AI and ML needs, ensuring high-quality labeled datasets for diverse applications and model types.

What makes you one of the best data annotation companies to work for?

We foster a collaborative and growth-oriented environment, valuing our annotation specialists’ expertise. We provide continuous training, use leading-edge tools, and offer flexible work arrangements. Our commitment to quality and innovation makes us a leading choice for annotation professionals seeking meaningful work.

Why is high-quality data annotation important for machine learning success?

High-quality data annotation is fundamental for machine learning success because it directly impacts model accuracy and reliability. Poorly labeled data leads to flawed training, resulting in inaccurate predictions and hindering the deployment of effective AI solutions. Precise annotations ensure models learn correctly and generalize well.

How do your data annotation machine learning services work?

Our process involves understanding your project requirements, secure data ingestion, precise annotation by skilled specialists using advanced platforms, rigorous quality assurance checks, and timely delivery of labeled datasets. We leverage machine learning tools to enhance efficiency while maintaining human oversight for accuracy.

What is the training methodology you use for your data annotators?

Our training process is focused on ensuring precision and expertise. There is an initial orientation program for all annotators coming on board which gives them a bird’s eye view of data annotation, its impact on AI models, industry application and the need for accuracy in annotating. The next level of domain-specific training makes the annotators thoroughly acquainted with detailed annotation guidelines.

Hands-on practice sessions and iterative feedback help to refine skills, while quality control exercises reinforce consistency and accuracy. Given that datasets are continually evolving, the teams are trained to adapt to the changes. Advanced tool training is also imparted when called for.

Can you provide a pilot project?

Yes, we do offer free pilot projects to help you gain confidence in our services and to help you evaluate our team’s capabilities and assess the overall impact of our services on your processes. During the trial, our team will work closely with you to understand your requirements and give you a complete download of our end-to-end processes.

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