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Projects Implemented


Business Efficiency with AI

Our Data Annotation Services

  • Image Annotation
    • Utilizes advanced techniques including bounding boxes, polygons, key points, LiDar, semantic segmentation, and image classification.
    • Ensures high-quality results by meticulously scrutinizing every pixel of an image.
    • Offers annotation services for both general and industry-specific images.
  • Video Annotation
    • Expertise in labeling video footage for efficient training of computer vision models in object detection and identification.
    • Employs various video annotation techniques such as bounding boxes, polygons, key points, and semantic segmentation.
    • Applicable to diverse industries including self-driving cars, drones, and robotics.
  • Text Annotation
    • Customizable text annotation service suitable for natural language processing (NLP) and machine learning (ML) models.
    • Valuable for tasks like sentiment analysis, intent analysis, and named entity recognition (NER).
    • Utilizes advanced annotation tools and techniques for swift and efficient data annotation.
  • Audio Transcription and Annotation
    • Unlocks the potential of audio data by providing transcription into machine-readable text format.
    • Annotations include tasks like named entity recognition, sentiment analysis, and conversation categorization.
    • Ideal for applications in market research and speech recognition.

Data Annotation Techniques We Use

Employing these data annotation techniques guarantees precision and quality control during the AI training data development process

  • Bounding Boxes
    • Used in machine learning, robotics, autonomous vehicles, and retail.
    • Accurately classifies objects in images and videos.
  • 3D Cuboid Annotation
    • Enables comprehensive understanding of object shape, size, and orientation.
    • Facilitates informed decision-making for AI models.
  • Landmark Annotation
    • Identifies specific points on objects like faces to determine emotional characteristics.
    • Valuable for highly targeted marketing campaigns and personalized customer experiences.
  • Skeletal Annotation
    • Develops datasets of annotated skeletal images for more efficient and accurate medical diagnoses.
    • Trains machine learning algorithms to enhance diagnostic capabilities.
  • Polygon Annotation
    • Creates detailed polygon outlines around objects in videos and images.
    • Simplifies product identification and localization.
  • Semantic Segmentation
    • Overcomes visual limitations of legacy computers in interpreting 2D image data.
    • Provides a detailed understanding of image content.
  • 3D Point Cloud Annotation
    • Enhances accuracy and detail in object detection and classification.
    • Delivers precise measurements of dimensional attributes for improved decision-making.
  • Polyline Annotation
    • Enables autonomous cars and mobile technologies to detect and follow lane markings.
    • Enhances safety and reliability on roadways.

Why Choose Cloudester?

  • Domain Knowledge
    • Our data annotation team possesses extensive domain knowledge.
    • Meticulously annotates datasets for maximum data value.
  • Complex Projects
    • Equipped to handle complex annotation tasks.
    • Deep AI expertise allows scalability for challenging projects.
  • Diverse Industries
    • Capable of serving diverse industries.
    • Offers customized data annotation services tailored to specific industry needs.
  • Dedicated Team
    • Committed and detail-oriented data annotation team.
    • Ensures consistent delivery of accurate and insightful annotations for informed decision-making.

Industries We Serve

  • Healthcare
    • Enables accurate analysis of medical data, including images and patient records.
    • Supports quick and precise disease diagnosis, patient progress tracking, and treatment development.
  • Finance
    • Assists in fraud detection, investment identification, and risk management.
    • Facilitates the development of AI-powered financial tools for automation and data-driven decision-making.
  • Insurance
    • ML models trained on annotated data help detect fraudulent claims, assess risk, and enhance underwriting processes.
    • AI-powered insurance tools based on annotated data automate tasks and personalize policies for improved customer experience.
  • Autonomous Vehicles
    • Accurate and comprehensive annotations of 2D and 3D data enhance the ability of ML models to identify potential hazards and navigate complex environments.
    • Facilitates safe navigation and hazard avoidance for autonomous vehicles.

Our Data Annotation Services
Our Expertise in AI Models


A set of OpenAI models excelling at complex problem-solving due to advanced reasoning skills and extensive general knowledge.


A foundational large language model, LLaMA (Large Language Model Meta AI) generates text, converses, summarizes content, solves math problems, and predicts protein structures.


The latest extensive language model from Google, excelling in intricate reasoning tasks like code interpretation, math solutions, categorization, queries, and multilingual translation. It showcases Google’s commitment to responsible AI.


OpenAI’s set of models for natural language processing tasks such as text generation, summarization, translation, and question answering.


OpenAI’s DALL·E generates lifelike images and art based on text prompts, enabling image creation, modification, and variation generation.


Whisper, a versatile speech recognition model by OpenAI, performs tasks like language identification, speech translation, and multilingual speech recognition.


OpenAI’s Embeddings provide numeric representations of linguistic elementsa like words and phrases, capturing their semantic meaning and relationships.


OpenAI’s Moderation models assist in content moderation, identifying and removing harmful or inappropriate content from online platforms.

Stable Diffusion

Stable Diffusion generates detailed images from text prompts and handles tasks like inpainting, outpainting, and image-to-image translations guided by text.


Google’s Bard, powered by LaMDA, is a text-to-text generative AI chatbot adept at engaging in human-like conversations and responses.

Our Data Annotation Services Technology Stack

Cloud Computing Platforms



Google Cloud





Data Processing


Apache Kafka

Apache Spark

Data Visualization


Power BI

Data Bricks

Data Storage

Red shift

Big Query

Data Bricks




Microsoft SQL

Postgre SQL


Mongo DB

Our Engagement Models

  • Dedicated AI Development Team
    Dedicated AI Development Team

    Our proficient AI and blockchain developers are fully immersed in leveraging cognitive technologies to provide exceptional services and solutions to our clients.

  • Extended Team Enrichment
    Extended Team Enrichment

    Our extended team model is thoughtfully designed to support clients in expanding their teams with the necessary expertise for AI-driven projects.

  • Project-focused Strategy
    Project-focused Strategy

    Embracing our project-based approach, our skilled software development specialists collaborate directly with clients and the triumphant realization of AI-infused projects

Get Started Today


Contact Us

Complete our secure contact form, Book a calendar slot and set up a Meeting with our experts.


Get a Consultation

Engage in a call with our team to evaluate the feasibility of your project idea. We’ll discuss the potential, challenges, andopportunities.


Receive Cost Estimates

Based on your project requirements, we provide a detailed project proposal, including budget and timeline estimates.


Project Kickoff

Upon agreement, we assemble a cross-disciplinary team to initiate your project. Our experts collaborate to launch your project successfully.

Start a conversation by filling the form

Build your top-notch AI product using our in-depth experience. We should discuss your project.






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    Frequently Asked Questions

    What is a data annotation service?

    A data annotation service is the process of manually or automatically labeling data to train machine learning models. This labeling involves adding metadata or annotations to various data types, including images and text.

    Why do I need a data annotation service?

    Data annotation plays a pivotal role in machine learning model development. The quality of labeled data significantly impacts the accuracy of the model. A data annotation service guarantees the use of accurate and pertinent data for model training.

    What types of data can be annotated?

    Data annotation encompasses a wide range of data types, such as images, text, audio, video, and sensor data. Annotation methods used for data annotation include labels, bounding boxes, and semantic segmentation.

    How does a data annotation service work?

    Data annotation typically involves a team of human annotators manually reviewing and labeling data or an automated system utilizing machine learning algorithms for annotation. The annotated data undergoes a thorough review and accuracy verification before being delivered to the client.

    How do you ensure the quality of your annotations?

    As a trusted data annotation service provider, we prioritize accuracy and consistency through a rigorous quality control process. This process involves multiple rounds of review and verification, conducted by both experienced annotators and automated systems.

    Do you offer ongoing support or updates for annotated datasets in your Data Annotation Services?

    We provide ongoing support and can update annotated datasets as needed to accommodate model improvements and evolving project requirements.

    Are there any data format requirements for the input data in your Data Annotation Services?

    We accept a variety of data formats, but specific requirements may depend on the project. Our team can assist in data format conversion and compatibility.

    How do you handle data privacy and confidentiality in your Data Annotation Services?

    Data privacy and confidentiality are paramount. We have strict protocols and adhere to data protection regulations to safeguard client data throughout the entire data annotation process.


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