Scale trustworthy labels with
Image Annotation Specialists

Abaka delivers QA-backed image labeling—boxes, polygons, keypoints, and dense captions—through secure pipelines and Abaka Forge so your team can train and ship faster.

When image labeling slips, your model metrics lie. A 2%–5% label noise rate can translate into weeks of wasted training cycles, false regressions, and avoidable rework across data engineering and QA. Teams often discover too late that guidelines drifted, class taxonomies changed mid-stream, or edge cases weren’t consistently handled. The cost shows up as missed release dates, higher cloud spend, and brittle performance in the field—especially when long-tail scenes represent only 1% of frames but drive most safety or customer escalations.

Abaka gives you Image Annotation Experts plus the process to keep quality stable at scale. You get vertically specialized annotators, multi-layer QA, and clear acceptance criteria aligned to your evaluation set—so training data and validation data speak the same language. With Abaka Forge, you can standardize instructions, automate pre-labeling where it helps, and track error patterns by class and annotator. The result is production-grade image datasets delivered predictably, with security, compliance, and IP provenance built in.

The Image Annotation Experts Bottleneck

01

Quality Decay

Image programs degrade when guidelines live in docs but not in enforcement. After the first 10,000 images, ambiguity creeps in—occlusions, truncation rules, attribute edge cases—and inter-annotator agreement drops. If 1 in 20 labels is inconsistent (5%), your training loop learns contradictions and your error analysis becomes untrustworthy. Abaka counters this with gold sets, reviewer escalation, and measurable acceptance thresholds, so new classes, new sensors, and new edge cases don’t silently change what “correct” means.

02

Volume Walls

Most internal teams can’t sustain peak throughput without burning out or sacrificing QA. Even with batching, a single annotator has practical throughput limits—when you push beyond stable rates, error rates climb. In multi-camera programs, volume spikes can be extreme: a 30 FPS capture day can create millions of frames that still need sampling, stratification, and consistent labeling. Abaka scales using large, specialized workforces and a structured pipeline so you can ramp up quickly without trading accuracy for speed.

03

Compliance Friction

Image data is often sensitive: faces, license plates, facilities, medical imagery, or proprietary retail environments. Without strong controls, review access expands, exports proliferate, and audits become painful. Compliance work can add 2–4 weeks to a timeline if processes aren’t designed upfront. Abaka operates with SOC 2 and ISO 27001 aligned workflows, GDPR/CCPA readiness, strict NDAs, and segregated secure pipelines—so your datasets move through annotation and QA with clear access control, logging, and IP provenance.

01

2D bounding boxes with class and attributes

Get consistent bounding boxes for detection tasks across e-commerce, autonomy, security, and healthcare imaging. We support tight/loose box rules, truncation and occlusion flags, and attribute schemas (e.g., damage type, PPE present, shelf state). Workflows run in Abaka Forge with pre-label automation where appropriate, reviewer queues, and gold-set auditing. Outputs can be delivered as COCO JSON, Pascal VOC XML, or YOLO TXT, with versioned taxonomies to keep training and eval aligned.

02

Polygon and instance segmentation for fine boundaries

For segmentation tasks where boundaries matter—medical regions, manufacturing defects, road edges, product silhouettes—we provide polygon, instance, and semantic segmentation with clear edge rules. Abaka Forge supports zoom-assisted editing, overlap handling, and per-class QC sampling. We standardize how to label reflections, shadows, transparent objects, and thin structures to reduce label noise. Deliverables include COCO instance/semantic JSON, PNG mask stacks, and per-image metadata for filtering and stratified training.

03

Pose, landmarks, and keypoint skeleton annotation

We annotate human pose and object landmarks for retail analytics, sports, robotics grasping, and driver monitoring. Your team defines skeletons, visibility rules, and confidence levels; we operationalize them with calibration rounds and reviewer adjudication. Abaka Forge captures keypoint coordinates, visibility flags, and skeletal connections with consistent coordinate frames. Outputs include COCO keypoints JSON, CSV, and custom schemas for downstream training, plus QA reports highlighting joints and classes with the highest disagreement.

04

Dense captioning and visual grounding datasets

When you need richer supervision than boxes—especially for multimodal and foundation models—we produce dense captions, region descriptions, and grounding tags for interleaved image-text training. We pair expert annotators with rubric-based QA to keep language consistent, factual, and style-aligned. Abaka Forge supports region-to-text links, multi-turn prompts, and constraint checks (e.g., prohibited attributes, privacy filters). Deliverables include JSONL with region IDs, captions, and controlled vocabularies for retrieval and generation tasks.

05

Multi-layer QA with measurable acceptance criteria

Quality is designed, not inspected in at the end. We implement calibration rounds, gold sets, blind rechecks, and reviewer escalation paths. For image labeling, we track common error modes—missed small objects, boundary drift, class confusion—and feed them back into guideline updates and annotator coaching. Abaka Forge provides audit logs, reviewer comments, and per-batch sampling so you can tie quality gates to release milestones. You get datasets that are consistent across time, teams, and evolving taxonomies.

06

Model-assisted pre-labeling and active sampling

To accelerate delivery without sacrificing accuracy, we can use model-assisted pre-labeling and human verification—especially effective for stable classes and repetitive scenes. We also help you design sampling strategies to prioritize long-tail events, new geographies, or new sensors, avoiding wasted labeling on redundant frames. Abaka Forge supports automated suggestions, confidence-based routing, and iterative improvement loops. The outcome is faster iteration cycles with clear provenance for which labels were human-drawn versus human-verified.

07

Secure pipelines with privacy-aware annotation workflows

Your images stay protected end-to-end. Abaka operates under strict NDAs with segregated secure pipelines, access controls, and compliance-aligned processes (SOC 2, ISO 27001, GDPR, CCPA). We support redaction policies, restricted reviewer access, and controlled exports, plus IP provenance so collected or processed assets carry clear ownership history. If you need on-prem or isolated environments, we can structure workflows to meet your security constraints while still delivering predictable throughput.

08

Taxonomy design and guideline operationalization support

Many image programs fail because the label taxonomy is under-specified or constantly shifting. We help your team define classes, attributes, and edge-case rules that match your model architecture and evaluation goals. Then we operationalize the guidelines into checklists, examples, and reviewer decision trees inside Abaka Forge. This reduces drift when you add new classes or expand to new domains (e.g., weather, lighting, store layouts). Deliverables include versioned label specs and change logs.

Why Outsource Image Annotation Experts

01

Faster Delivery

Spin up quickly without recruiting, training, and building QA from scratch. Abaka can ramp specialized teams, run calibration, and deliver stable throughput so you hit training milestones in weeks, not quarters. Abaka Forge keeps instructions, reviews, and exports standardized across batches.

02

Direct Savings

Outsourcing converts fixed headcount into a scalable project cost while reducing hidden expenses: manager overhead, QA rework, and delayed launches. With clear per-task pricing (e.g., $6/hr dense captioning, $8/hr image editing), you can forecast spend per batch and control scope.

03

Risk Reduction

Reduce the risk of label drift and privacy mishandling with compliance-aligned workflows. Abaka operates with SOC 2 and ISO 27001 processes, GDPR/CCPA readiness, strict NDAs, and segregated pipelines—so audits, access control, and export governance are built in.

04

Elastic Scalability

Scale up for data collection sprints and down after milestones without losing consistency. Abaka’s large, specialized workforce and standardized QA gates let you label more images per week without sacrificing accuracy on long-tail edge cases.

05

Domain Expertise

Different verticals require different definitions of “correct.” Abaka provides domain-trained annotators and reviewer escalation to handle fine-grained categories in automotive, retail, geospatial, and medical imagery, with calibration and gold sets to keep decisions consistent.

06

Innovation Velocity

Free your ML team to focus on modeling, evaluation, and deployment rather than managing labeling operations. With Abaka Forge automation and structured reporting, you iterate faster—closing the loop between error analysis and targeted re-annotation.

Industries We Serve

Automotive

Support ADAS and autonomy workflows with high-consistency 2D boxes, segmentation, and keypoints for road users, lane boundaries, traffic signals, and rare edge cases. We help keep taxonomy versions aligned across training and validation sets, and can incorporate occlusion/truncation policies that match your safety requirements.

GenAI / Foundation Models

Build multimodal datasets with grounded captions, region descriptions, and visual QA supervision for image-text training. We enforce style guides, factuality checks, and privacy constraints, producing structured JSONL and COCO-style exports that integrate cleanly into large-scale data pipelines.

Embodied AI / Robotics

Train perception for grasping, navigation, and manipulation using segmentation, keypoints, and object attributes (state, affordance, material). We label real-world scenes and lab environments with consistent rules for occlusions, clutter, and reflections, enabling robust behavior under changing lighting and layouts.

Healthcare

For medical imaging and clinical workflows, we provide careful boundary labeling, region segmentation, and structured metadata under strict access control. We support multi-reviewer adjudication and guideline precision to reduce ambiguity, so your models learn from consistent definitions across patients and devices.

Retail

Improve shelf analytics, loss prevention, and product recognition with box/segmentation labels, attribute tags, and keypoints where needed. We handle planogram variants, packaging changes, and occlusions while maintaining dataset consistency across stores, cameras, and seasons.

Finance

Enable document and image-based workflows such as KYC/identity verification, fraud review, and form understanding with privacy-aware labeling and redaction policies. We deliver structured annotations that support detection, classification, and extraction while minimizing sensitive-data exposure.

Geospatial

Label overhead and satellite imagery with polygons for buildings, roads, parcels, and land cover classes. We manage large tilesets with consistent edge rules, deliver georeferenced formats, and help you stratify sampling across regions to avoid geographic bias in training data.

Security / Defense

Support ISR and perimeter monitoring datasets with robust object labeling, tracking-ready schemas, and strict access controls. We can design workflows that constrain who can see which assets, maintain audit trails, and produce consistent annotations for small objects and cluttered scenes.

Agriculture / Industrial

Power inspection and automation with segmentation for plant health, defect detection, safety compliance, and equipment state. We label imagery from drones, factory cameras, and mobile devices with consistent definitions for damage types, growth stages, and background clutter.

How It Works

1) Day 0–3 — Scope, taxonomy, and acceptance criteria

We align on your model objective, classes/attributes, edge-case rules, and export format. You provide sample frames and failure cases; we turn them into a labeling spec, reviewer decision tree, and QA gates. We also confirm security constraints (access control, redaction, export rules) and set a delivery plan in Abaka Forge.

2) Week 1–2 — Calibration + pilot batch

Abaka annotators run calibration rounds on a pilot set, followed by reviewer adjudication. We quantify common error modes (boundary drift, class confusion, missed small objects) and refine guidelines. Your team reviews samples and signs off on what “correct” looks like before high-volume production begins.

3) Week 2–3 — Production labeling with QA gates

We scale labeling while maintaining consistency via gold sets, blind rechecks, and multi-layer QA. Abaka Forge manages queueing, reviewer routing, and audit logs. You receive exports in your preferred format with versioned taxonomy metadata so training runs remain reproducible.

4) Ongoing — Iterative improvement and targeted re-annotation

As your model evolves, we incorporate new classes, new sensors, or new geographies without breaking comparability. We use error analysis to prioritize what to re-label, which edge cases to oversample, and where to tighten guidelines. This keeps your dataset aligned to production reality, not yesterday’s assumptions.

5) Weekly — Reporting, governance, and stakeholder reviews

Each week you get a concise quality and throughput summary: batch completion, QA findings, guideline updates, and open questions for adjudication. We keep changes auditable—what changed, why it changed, and which batches are affected—so product, ML, and compliance stakeholders stay aligned.

Modality & Format Coverage

Image is the focus, but teams rarely operate in only one modality. Abaka Forge supports multi-modal programs so your image labels stay consistent with text instructions, RLHF evaluation, video context, and 3D sensor signals.

ModalityAnnotation TypesToolsOutput Formats
Textclassification, extraction, instruction tuning, multilingual reviewAbaka ForgeJSONL, CSV, TSV, Parquet
LLM RLHFpairwise preference, rubric scoring, safety/bias review, model-as-judge calibrationAbaka ForgeJSONL, rubric score tables, audit logs, evaluation reports
Imagebounding boxes, polygons/segmentation, keypoints, dense captions, attributesAbaka ForgeCOCO JSON, Pascal VOC XML, YOLO TXT, PNG masks, JSONL
Videoframe sampling, object tracking, temporal segments, action labels, scene tagsAbaka ForgeCOCO-VID JSON, JSONL, CSV timelines, per-frame masks
3D/4D Point Cloud3D boxes, segmentation, trajectories, instance IDs, sensor QAAbaka ForgeJSON, PCD/LAS-linked labels, KITTI-style JSON (custom), CSV
LiDAR + Camera fusionsensor alignment checks, 2D–3D association, fused tracks, occlusion reasoningAbaka ForgeJSON, synchronized frame bundles, calibration reports, per-sensor exports
Audiotranscription, speaker labels, event tags, intent classificationAbaka ForgeJSONL, SRT/VTT, CSV, TextGrid

Success Story

A leading retail AI team

The customer’s shelf-analytics model struggled in new store layouts and lighting conditions. Internal labelers produced inconsistent boxes and attributes across similar SKUs, and QA was mostly spot checks. As a result, training improvements didn’t translate to field performance, and the team burned cycles re-labeling without a clear root cause. They needed a labeling partner who could standardize rules for occlusions, reflections, and look-alike packaging while preserving privacy requirements and delivering a predictable weekly cadence for continuous training.

Abaka established a versioned taxonomy with clear attribute definitions (facing count, stock state, occlusion flags) and created a calibration set covering long-tail scenarios. Using Abaka Forge, we ran pilot batches with reviewer adjudication and converted disagreements into concrete guideline examples. Production followed multi-layer QA with gold sets and blind rechecks, plus weekly reporting on error patterns by class. We also implemented privacy-aware handling for in-store imagery under secure, segregated pipelines and governed exports to match the customer’s internal access controls.

Within 3 weeks, the team received a production-ready dataset with stable label definitions and repeatable QA gates. Retraining on the new labels reduced label-driven regressions and improved downstream evaluation consistency, enabling faster iteration on model changes. The customer increased throughput without sacrificing quality and standardized updates as packaging and planograms changed. Outcomes included 99% accuracy on audited samples, a 2.5× increase in weekly labeled image volume, and a 35% reduction in rework from annotation disputes.

99%
Audited labeling accuracy target
2.5×
Higher weekly labeling throughput
35%
Less rework from disagreement-driven relabels

By the Numbers

2019
Founded — trustworthy data partner for frontier AI
1,000+
Enterprise and research customers
50+
Countries covered by specialist workforces
99%
Accuracy target with multi-layer QA

What Customers Say

We needed image labels that stayed consistent across monthly taxonomy changes. Abaka’s reviewers caught ambiguity early, turned it into clear examples, and kept our training and validation sets aligned. The weekly reporting made it easy to see where errors clustered and which rules needed tightening.

Director of Applied ML Retail Computer Vision Company

Our internal team could label, but QA and governance were the bottleneck. Abaka brought a structured process—gold sets, adjudication, and auditable exports—so we could scale volume without losing trust in the data. The communication cadence felt like an extension of our team.

Head of Data Operations Autonomous Systems Program

We evaluated multiple vendors and chose Abaka for reliability and security posture. They handled sensitive imagery with controlled access and clear provenance, and delivered outputs exactly in the formats we needed for training. Quality stayed stable even when we ramped up quickly.

ML Platform Lead Security Analytics Provider

The biggest win was guideline operationalization. Abaka didn’t just label—they helped us define what correct looks like, then enforced it with reviewers and measurable QA gates. That eliminated the churn we used to have after every error analysis cycle.

Computer Vision Lead Industrial Inspection Company

Why Choose Abaka

01

Trustworthy labels—built for the way you ship models.

Abaka combines Image Annotation Experts, compliance-aligned operations, and Abaka Forge workflows so your datasets stay consistent from pilot to production. You get clear acceptance criteria, multi-layer QA, and auditable exports—without exposing your images to uncontrolled tooling or vague processes. We never build models that compete with you, and your data remains exclusively yours—never repurposed, resold, or shared. The result is labeling you can trust when it matters: training, evaluation, and real-world deployment.

02

99% accuracy targets with QA gates

Gold sets, blind rechecks, reviewer adjudication, and measurable acceptance thresholds keep label definitions stable across batches, teams, and taxonomy revisions—so your metrics reflect model changes, not labeling noise.

03

Secure, segregated pipelines

SOC 2 and ISO 27001 aligned processes, GDPR/CCPA readiness, strict NDAs, and access controls help you annotate sensitive imagery with auditability and governance, including export restrictions and provenance.

04

Abaka Forge standardizes production

Run labeling and QA in a single platform for collection, cleaning, annotation, and production delivery. Abaka Forge supports model-assisted pre-labeling and structured reviewer workflows, accelerating throughput while keeping decisions traceable.

05

Specialists across domains and geographies

From retail shelves to geospatial tiles to robotics scenes, Abaka matches tasks to trained specialists and escalates edge cases to senior reviewers. This helps you handle long-tail conditions without sacrificing speed.

06

A data partner built for long-term trust

Founded in 2019 and self-funded and profitable, Abaka supports 1,000+ enterprise and research customers with offices in Singapore, Paris, and Silicon Valley. There’s no acquisition pressure and no data monetization agenda—just secure delivery, consistent quality, and a workflow your team can rely on for continuous training.

Frequently Asked Questions

How much do Image Annotation Experts cost?
Pricing depends on task complexity, QA depth, and whether you need segmentation, keypoints, or dense captions. As concrete references, Abaka supports pricing such as $6/hr for dense captioning, $8/hr for image editing, and $3/km for road lane work. For many image projects, we’ll propose a scoped pilot with clear acceptance criteria and an estimated total cost based on your sample set and target throughput. Talk to an Expert and we’ll map your taxonomy to a pricing plan you can forecast confidently.
How fast can you deliver an image annotation project?
Most teams see meaningful deliveries in 2–3 weeks, starting with a Day 0–3 scoping phase and a Week 1–2 calibration/pilot batch. Timing depends on image volume, the number of classes, and QA requirements. We prioritize a fast pilot because it locks down edge-case rules early and prevents expensive rework later. After sign-off, we ramp production with predictable weekly exports and clear reporting on throughput, QA findings, and any guideline updates that could affect downstream training.
What annotation types and output formats do you support for images?
We support bounding boxes, polygons, semantic and instance segmentation, keypoints/landmarks, attributes, and dense captioning/grounding. Outputs are commonly delivered as COCO JSON, Pascal VOC XML, YOLO TXT, PNG mask stacks, and JSONL for captioning or region-text links. If your pipeline requires a custom schema, we can align fields and metadata (taxonomy version, annotator/reviewer notes, confidence flags) so your training, evaluation, and data governance systems stay consistent across releases.
How do you ensure annotation accuracy and consistency?
We design QA into the workflow: calibration rounds, gold sets, blind rechecks, and reviewer adjudication for disputed cases. Abaka Forge supports structured reviewer queues, audit logs, and per-batch sampling so you can enforce acceptance thresholds before export. We also track recurring error modes (missed small objects, boundary drift, class confusion) and turn them into guideline updates with concrete examples. This keeps “correct” stable across time—even as you expand to new geographies, lighting conditions, or classes.
Can you handle sensitive images and meet security requirements?
Yes. Abaka operates with SOC 2 and ISO 27001 aligned processes, GDPR/CCPA readiness, strict NDAs, and segregated secure pipelines. We can implement role-based access controls, restricted reviewer access, export governance, and auditability to support sensitive imagery such as faces, license plates, facilities, or proprietary environments. We also maintain full IP provenance and ensure your data is exclusively yours—never repurposed, resold, or shared—so you can collaborate with confidence across teams and stakeholders.
Do you support multilingual annotation or multilingual guidelines?
Yes. Many image programs include multilingual metadata, labels, or captioning requirements, especially for global retail, geospatial, and consumer applications. We can run multilingual guideline reviews, localized label definitions, and language-specific QA checks so the semantics remain consistent across regions. When you need dense captions or region descriptions, we can enforce style rules and controlled vocabularies per language. The goal is the same: consistent meaning across training and evaluation, regardless of the language used to express it.
How are you different from other image annotation companies?
Abaka is built for trustworthy delivery at scale: expert workforces, multi-layer QA, and Abaka Forge workflows that make labeling auditable and repeatable. We also emphasize long-term trust—Abaka never builds models that compete with you, and your data remains exclusively yours, never repurposed or resold. Operationally, we support compliance-aligned security (SOC 2, ISO 27001, GDPR, CCPA) and can accommodate strict access controls. The result is less drift, less rework, and datasets you can defend internally.
What if we need to change the taxonomy or guidelines mid-project?
Change requests are expected in real programs, especially when model error analysis reveals gaps. We handle this by versioning taxonomies and guidelines, documenting what changed and which batches are affected. Then we route impacted images into targeted re-annotation rather than restarting entire datasets. Abaka Forge helps manage this with review queues, change logs, and traceable exports. You stay in control of when a new version becomes the training source-of-truth, and you avoid silent shifts that would invalidate comparisons over time.
Can we run a pilot before committing to a larger engagement?
Yes—pilots are the fastest way to validate quality, edge-case handling, formats, and cadence. We typically start with a representative sample that includes long-tail scenarios and the classes that most affect your metrics. During the pilot, we run calibration rounds, adjudicate disagreements, and refine guidelines into concrete examples. You receive exports in your target schema plus a QA summary. Once you sign off, we scale to production with the same gates so pilot quality carries forward into volume delivery.
Who owns the annotated data and can it be reused elsewhere?
You own your data and the resulting annotations. Abaka’s policy is that your data is exclusively yours—never repurposed, resold, or shared. We also maintain IP provenance on collected data to eliminate copyright risk on sourced assets. Operationally, we use strict NDAs and segregated secure pipelines to prevent cross-customer exposure. If you need specific contractual language around ownership, retention, and deletion, we can align during scoping so your legal and compliance teams have clear governance from day one.
What tools do you use for image annotation and QA?
We use Abaka Forge—our all-in-one platform for collection, cleaning, annotation, and production delivery. It supports image labeling workflows such as boxes, polygons, keypoints, masks, and dense captioning, along with reviewer routing, audit logs, and export automation. Abaka Forge can also incorporate model-assisted pre-labeling and structured QA gates to accelerate throughput while maintaining traceability. If your team has tool constraints, we can align exports and metadata to integrate smoothly into your existing ML pipeline.
What is the minimum project size for hiring Image Annotation Experts?
We support both small pilots and large production programs. If you’re unsure about scope, start with a pilot that’s large enough to cover edge cases—typically a few hundred to a few thousand images, depending on class count and variability. For ongoing programs, we can structure weekly batch delivery so you can budget and evaluate progress continuously. The key is defining acceptance criteria and export requirements upfront so even small engagements produce reusable, production-ready data rather than one-off labels.

Ready to Get Started?

Label the Present. Train the Future.