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Image Annotation Services

Train complex computer vision models with expertly labeled image and video data built for real-world environments and edge-case handling

  • Full time employees

    850+ Full time
    employees

  • 25+ Years in business

    25+ Years in
    business

  • Data accuracy

    99.95% Data
    accuracy

  • Happy clients

    3850+ Happy
    clients

  • ISO

    ISO 9001:2015
    27001:2022

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  • Full time employees

    850+ Full time
    employees

  • 25+ Years in business

    25+ Years in
    business

  • Data accuracy

    99.95% Data
    accuracy

  • Happy clients

    3850+ Happy
    clients

  • ISO

    ISO 9001:2015
    27001:2022

Context-Aware Image Annotation for Production-Grade AI Training Datasets

Is your AI model falling short in real-world deployment? It might be because the training data doesn’t reflect the complexity of actual operating environments.

As computer vision technology advances beyond basic object detection, the gap between laboratory performance and production reality has become a critical bottleneck for AI success. Ready-to-use datasets and automated annotation tools excel at standard scenarios but fall short when your models encounter edge cases, complex scenes, or domain-specific challenges.

Our image annotation services bridge this gap to train high-performing computer vision models with accuracy and consistency. As a leading image annotation company, Data-Entry-India.com leverages cutting-edge automation tools for efficiency and scalability, while our subject matter experts provide the nuanced understanding that machines can't replicate. Through human-in-the-loop image annotation workflows and multi-stage QA, we ensure that your models perform reliably in production, not just in test environments.

Specialized Image Annotation Services for Complex Datasets

Different industries require computer vision systems to interpret visual data in distinct ways. Our image annotation services are designed to support this diversity through specialized annotation techniques tailored to each use case.

  • 2D and 3D Bounding Box Annotation

    2D and 3D Bounding Box Annotation

    We train your AI systems for precise object detection, even in challenging scenarios such as crowded scenes, partial occlusions, or adverse lighting conditions, with our 2D & 3D image annotation services. We accurately draw rectangular boundaries around key elements in 2D images for rapid object detection, while our 3D annotations provide depth and orientation for a comprehensive understanding of spatial relationships. Whether it’s single-class or multi-class annotation, we ensure consistent labeling across varied angles and occlusions.

  • Image Classification

    Image Classification

    We offer image classification services that support both standard taxonomies and fully customized label schemas tailored to your use case. With support for multi-label, hierarchical, and domain-specific classification, we create well-categorized and structured annotated image datasets that power AI solutions for content moderation, medical diagnostics, and product categorization.

  • LiDar Annotation

    LiDar Annotation

    Our LiDAR annotation services enable autonomous systems, robots, and geospatial AI to accurately interpret their environment in 3D surroundings. We label point cloud data using 3D cuboids, image segmentation, and sensor fusion techniques to help the computer vision model accurately analyze objects, terrains, and spatial boundaries. Our annotators specialize in labeling images for both dense and sparse point cloud data, ensuring consistency across frames, real-time object tracking, and cross-sensor alignment.

  • Semantic and Instance Segmentation

    Semantic and Instance Segmentation

    We leverage the semantic segmentation technique for pixel-by-pixel classification of visual elements that share the same object class, such as roads, vegetation, or buildings. Through instance segmentation, we go a step further by identifying and separating each individual object within a shared category, such as labeling multiple cars in a traffic scene. With this detailed pixel-level image tagging, we deliver the precision your models need for complex scene understanding and object recognition in clustered environments.

  • Skeletal Annotation

    Skeletal Annotation

    We mark critical joint positions (such as elbows, knees, and shoulders) and link them with lines to form skeletal frameworks for accurate movement and gesture tracking by computer vision models. Through precise skeletal annotation, our image labeling company supports AI projects that require real-time human pose estimation, gesture control, and motion analysis in sectors such as sports technology, healthcare, and gaming.

  • Polygon Annotation

    Polygon Annotation

    Standard rectangular bounding boxes become inadequate when your AI models need to identify irregular objects. To label such objects, our image tagging experts utilize the polygon annotation technique, providing detailed contours with high spatial accuracy. Specializing in handling complex scenarios, like nested or deformed polygons, our experts ensure vertex-by-vertex precision to power AI applications for medical imaging, urban planning, and autonomous driving.

  • Line and Spline Annotation

    Line and Spline Annotation

    Define linear features with clarity using our line and spline annotation services. We mark straight and curved objects, including road lanes, rail tracks, utility lines, and floor markings, with pixel-level precision. The final annotated image datasets ensure that your computer vision models perform reliably across various use cases, including autonomous vehicles, lane detection, aerial infrastructure inspection, warehouse robot navigation, and civil engineering monitoring.

  • Keypoint/Landmark Annotation

    Keypoint/Landmark Annotation

    Our keypoint image annotation services involve marking precise points of interest on objects, humans, or animals (like facial features, fingertips, joint centers). These annotated landmarks enable AI models to interpret spatial relationships, body mechanics, or object deformation for tasks like facial recognition, emotion detection, pose estimation, and quality inspection. Using specialized tools with sub-pixel control and structured keypoint templates, our annotators maintain consistency across frames and subjects, even under occlusions or variations in angle.

  • Polyline Annotation

    Polyline Annotation

    We use polyline annotation to label multi-segment paths—such as roads, power lines, or drainage systems—on aerial maps, technical drawings, and geospatial datasets for better route and network mapping. As an image annotation company built for scale and accuracy, we deliver training datasets that reduce model error rates and support AI applications in smart city development, autonomous mobility, land surveying, and energy distribution planning.

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Let our experts handle image labeling for machine learning while you focus on innovation!

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Workflow for Our Image Annotation Services

We follow an efficient 5-step process for labeling images for machine learning solutions, ensuring seamless scalability, accuracy, and compliance. It involves:

  1. Dataset Review and Requirement Understanding

    We analyze shared data and understand your annotation guidelines and criteria to meet expectations.

  2. Image Annotation Tools Setup and Configuration

    We select an appropriate tool to match your requirements or configure your specified tool for image annotation.

  3. AI & Human-Assisted Image Labeling

    Leveraging automation and subject matter experts, we meticulously label provided image datasets.

  4. Annotation Validation and Quality Assurance

    Through automated and manual checks, we validate each annotation for contextual accuracy and correctness.

  5. Final Delivery and Feedback Implementation

    We securely share the annotated dataset with you via FTP servers or encrypted email and make further changes (if required) as per your feedback.

Expertise across All Major Image Annotation Platforms

Our image labeling company delivers platform-agnostic expertise, with skilled annotators who are proficient across all prominent annotation tools and can rapidly adapt to any specialized labeling software your team prefers.

CVAT
Label Studio
Anotation Labs
Labelbox
Label Image
Darwin

How Our Image Labeling Services Power Next-Gen AI across Industries

Healthcare

Healthcare

Enabling healthcare AI to identify anomalies, assist in treatment planning, and support radiological workflows with HIPAA-compliant and human-guided medical image annotation.

Manufacturing

Manufacturing

Powering quality control systems to detect defects, monitor production line efficiency, and ensure product consistency by labeling images of industrial machinery.

Agriculture

Agriculture

Supporting precision farming initiatives with crop health monitoring, yield prediction, and pest identification through specialized agricultural image annotation.

Autonomous Vehicles and Automotive

Autonomous Vehicles and Automotive

Accelerating ADAS (advanced driver assistance system) development by labeling traffic and road images in regular as well as diverse driving scenarios, challenging weather conditions, and rare traffic events.

Real Estate

Real Estate

Transforming property valuation and management through automated damage assessment, space utilization analysis, and virtual property tours by annotating architectural and interior images.

Retail and eCommerce

Retail and eCommerce

Enhancing visual search accuracy, inventory management, and shelf analytics by providing attribute-rich product annotations tailored to complex retail and eCommerce environments.

Security and Surveillance

Security and Surveillance

Enabling surveillance systems to better detect suspicious behaviors and unusual activities with scenario-specific, carefully annotated camera footage.

Insurance

Insurance

Accelerating insurance claim verification, accurate damage estimation, and fraud identification by providing detailed annotations that highlight property conditions and damage patterns.

Why Leading AI Teams Choose Our Image Annotation Company

When it comes to outsourcing image annotation services, AI companies and tech-first enterprises demand precision, compliance, and versatility. As a trusted data annotation service provider, we deliver that through secure, scalable, and human-guided image annotation workflows designed to handle complexity and prepare AI systems for real-world scenarios.

ISO-Certified Data Security & Privacy Standards

Through strict adherence to HIPAA compliance, NDAs, end-to-end encryption, and ISO 27001-certified IP protection protocols, we meet the stringent security requirements that healthcare, finance, and enterprise AI teams demand.

Rapid Turnaround without Compromising Accuracy

By strategically utilizing image annotation tools with human oversight, we deliver annotated image datasets 40% faster than industry averages while maintaining high accuracy rates.

Multi-Annotator Consensus Validation

Every annotation undergoes independent verification by senior annotators and subject matter experts to avoid single-point-of-failure bias and ensure consistent, reliable ground truth data for AI model training.

Expertise in Multi-Language and Cultural Context Annotation

Our culturally diverse annotation teams provide nuanced and linguistically accurate labels to train AI models for global markets and multi-region deployments.

Timezone Adaptability

We align our team with your preferred schedule and time zone, enabling real-time collaboration, quick feedback integration, and efficient project management.

Flexible Engagement Models

Our flexible pricing models (project or monthly based) are designed to meet the custom requirements of businesses, ensuring cost-effectiveness and low operational overhead.

Client Testimonials

  • "We chose this image labeling company after vetting multiple vendors, and they exceeded expectations. Their annotators understood our medical imaging requirements better than most companies we’ve worked with in the past. Extremely satisfied with the annotated image datasets they have provided!"

    Eric Nguyen, Medical Researcher

  • "We gave them over 1.2 million product images for labeling, and the results were impressive. Their image labeling team adapted quickly to our evolving taxonomy and delivered clean, structured AI training data across 10 retail categories. This dramatically improved the accuracy of our visual search and automated tagging models."

    Thomas Reed, AI Program Lead

Client Success Stories: Explore the Real-World Impact of Our Image Annotation Services

Build AI that Performs beyond the Lab with Accurate Image Annotations

Ready to accelerate your AI model deployment in real-world settings? Get in touch with our team at info@data-entry-india.com to discuss your project details or request a free quote.

Image Annotation Outsourcing Services: FAQs

Yes. As a specialized image labeling company, we frequently work with pre-labeled datasets to review, correct, and reclassify annotations based on updated taxonomies or model feedback. Whether your labels were auto-generated or created by another vendor, we validate and enrich data to ensure accuracy and consistency.

Absolutely. We support flexible integration with your MLOps infrastructure through APIs, shared cloud environments, or secure dataset sync. Whether you're using tools like Labelbox, CVAT, S3, or a proprietary stack, our image labeling service integrates seamlessly with your workflow—ensuring that annotated data flows smoothly into your training or validation cycles.

Our flexible project management approach efficiently accommodates requirement changes. When modifications arise, we immediately pause active annotation, assess the scope of the changes, and provide a detailed impact analysis that covers timeline and cost adjustments. Minor refinements to existing labels are implemented seamlessly, while significant schema changes require approval from stakeholders before we can proceed. We maintain version control of all annotation guidelines and provide migration strategies for already-completed work.

Edge cases and ambiguous visuals are flagged through our multi-annotator consensus system or escalated to subject matter experts for further review. As part of our image labeling service, we support workflows for multi-pass review, class-specific annotation notes, and client-approved escalation protocols. This ensures that edge conditions—common in fields like medical imaging, autonomous driving, or eCommerce—are not mislabeled or overlooked. We document these exceptions to improve dataset clarity and model behavior over time.

Yes. As a professional image annotation outsourcing provider, we deliver detailed quality reports covering accuracy rates, inter-annotator agreement scores, rejection rates, and issue logs. We also provide insights into class distribution, annotation velocity, and revision patterns—helping you track project health and dataset readiness.
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