Geospatial Annotation Platform

Geospatial Annotation Platform for Satellite & Aerial Imagery

Annotate satellite and aerial imagery for remote sensing, land-cover segmentation, and large-raster workflows with precise tools, geospatial context, and governed quality review.

Geospatial annotation features

Everything You Need for Complex Geospatial Annotation

Label large aerial images, segment complex regions, trace roads and boundaries, and apply consistent ontologies without losing visual context.

Unitlab large geospatial image support visual showing one continuous satellite mosaic at overview, regional, and object-detail scales.
01 · Scale

Large Geospatial Image Support

Annotate massive satellite, aerial, and geospatial imagery without downscaling or splitting images manually.

Bounding boxesPolygon boundariesSegmentation masks
Unitlab deep zoom and multi-resolution viewing visual from area overview to object-level detail.
02 · Navigation

Deep Zoom & Multi-Resolution Viewing

Navigate seamlessly from large-area overviews to fine object-level details across multiple resolution levels.

Unitlab geospatial coordinate support visual retaining spatial context across overview, focus, and detail.
03 · Coordinates

Geospatial Coordinate Support

Preserve spatial coordinates and georeferencing while creating and exporting annotations.

Nested geospatial ontology using Building and Road classes with continuous attributes, properties, and relation branches.
04 · Structure

Ontologies

Hierarchical classes, nested attributes, and structured metadata for geospatial imagery.

Unitlab AI-assisted geospatial auto-labeling visual showing Find Similar, Magic Touch, Auto-Label, and Review on an aerial road.
05 · Automation

AI-Assisted Auto-Labeling

Accelerate repetitive geospatial labeling with Find Similar, Magic Touch, and automated annotation.

Unitlab pixel-perfect segmentation visual showing field and vegetation boundary masks aligned to satellite imagery.
Boundary editingPixel level
06 · Precision

Pixel-Perfect Segmentation

Precisely delineate buildings, roads, land parcels, vegetation, infrastructure, and irregular geographic regions.

Precise boundariesPolygon and mask tools

Built for AI Data at Scale

Annotate complex geospatial datasets faster with AI-assisted automation, scalable workflows, and lower operational costs.

15×
Faster geospatial data annotation

Batch, Find Similar, Prompt Auto-Labeling, and automated workflows reduce repetitive manual geospatial labeling.

95%
Automated geospatial annotation

On average, 95% of geospatial labels are pre-labeled automatically, then reviewed and refined by humans.

15×
Lower Training Data Costs

The cost per accepted label can be up to 15× lower as curation, annotation, and QA are automated.

Supported geospatial annotation types

All geospatial annotation types in one platform.

Create bounding boxes, segmentation masks, polygons, skeletons, polylines, keypoints, and 3D cuboids across aerial and geospatial images.

01
Objects and tracks

Bounding box

Detect vehicles, structures, and assets with precise rectangular regions.

02
Pixel-level masks

Segmentation

Create pixel-accurate masks for roads, water, vegetation, buildings, or damage.

03
Precise boundaries

Polygon

Outline parcels, rooftops, fields, and site boundaries with precise vertices.

04
Pose structures

Skeleton

Use connected landmarks only for visual targets that require a defined point structure.

05
Paths and edges

Line / polyline

Trace roads, paths, utility corridors, coastlines, and other linear features.

06
Landmark precision

Point / keypoint

Mark poles, signs, landmarks, inspection targets, and other precise locations in an image.

07
Oriented volume

Cuboid / 3D box

Represent supported visual targets with depth-aware boxes where perspective makes 3D extent useful.

08
Geospatial-level context

Item Properties

Describe a complete image with source, capture conditions, quality, and scene-level attributes.

09
Object connections

Relations

Connect buildings, roads, vehicles, and other annotated objects with contextual relationships.

Geospatial annotation quality assurance

Build quality into every geospatial annotation.

Compare labels on the same aerial or satellite imagery, check approved references, and resolve boundary issues in spatial context. Keep every quality decision connected to the source tile.

Independent polygons on the same aerial tile reveal a building-footprint corner extending into lawn.
01 · Agreement

Geospatial Annotation Consensus

Compare independent polygons and classes on the same source tile. Surface disagreements in building footprints, roads, and land-cover boundaries for review.

Source-tile contextAgreement checksReview disagreements
An aerial building polygon extending into lawn is compared with the approved roof-footprint benchmark.
02 · Benchmarks

Quality Gate (Honeypot)

Check geospatial labels against approved reference annotations hidden from annotators. Route submissions using configured criteria for supported geometry and classes.

A review issue is anchored to a building-footprint corner on an aerial tile with a Resolve action.
03 · Validation

Validation & Issue Resolution

Inspect required properties and boundary issues with the source imagery in view. Refine the affected geometry and resolve reviewer feedback before approval.

Illustrative benchmark and review outcomes for three matching item IDs, including pass, fail, not evaluated, approved, needs rework, and awaiting review.
04 · Insights

Geospatial QA Analytics

Track benchmark results, annotation agreement, and review outcomes across geospatial tasks. Prioritize tiles and feature classes that need closer inspection.

Benchmark resultsReview outcomes
Geospatial dataset curation & annotation workflows

Curate geospatial data and automate annotation workflows.

Search, version, and inspect geospatial datasets, connect AI models, and move annotations through review and approval.

Data Curation Dataset Management
Unitlab dataset versions UI showing the same aerial image collection progressing from raw imagery to reviewed labels.
Version

Dataset Versions

Create and manage dataset versions as geospatial data evolves. Track changes, assign work, and keep every version auditable and production-ready.

Unitlab Semantic Search interface with a crisp Solar array query and six matching aerial imagery results.
Discover

Semantic Search

Explore large geospatial datasets through semantic understanding instead of manual filters. Find matching aerial images across diverse conditions.

Unitlab Embedding View showing aerial imagery clusters and two review cards with Review labels centered inside yellow borders.
Inspect

Embedding View

Visualize dataset structure, identify outliers and labeling issues, and improve geospatial-data quality before training.

Unitlab integrated workflow with Building Segmentation auto-labeling, mask annotation, review, approval, and rejection.
Orchestrate

Integrated Workflows

Build workflows that connect models, annotation, review, and quality assurance in one continuous loop. Reduce handoffs and keep datasets moving from labeling to approval.

Bring your Geospatial model into Unitlab’s annotation workflow
Integrate

Bring Your Geospatial Model

Connect your own AI models for pre-labeling and model-assisted annotation. Improve accuracy and iterate faster on real-world geospatial datasets.

Questions, answered

Geospatial Annotation Platform FAQs

Answers about satellite and aerial image annotation, remote sensing, large geospatial rasters, land-cover segmentation, coordinates, ontologies, quality workflows, and model integration in Unitlab.

Talk with the Unitlab team
What geospatial annotation types does Unitlab support?+

Unitlab supports bounding boxes, segmentation masks and brushes, polygons, skeletons, lines and polylines, points and keypoints, cuboids and 3D boxes, relations, class properties, and Item Properties. Teams define labels and rules in a reusable ontology for consistent geospatial training data.

Geospatial annotation documentation
How can AI assist geospatial image labeling?+

Use built-in foundation models or bring your own model to generate visual predictions for supported image annotation types. Annotators review and refine model output so human approval remains part of the quality process.

Auto-labeling documentation
Can Unitlab support large aerial images and precise visual inspection?+

Yes. Unitlab applies its visual annotation workspace to aerial imagery so teams can inspect small structures while maintaining broader image context. Use boxes, polygons, masks, polylines, and keypoints as appropriate for each image.

Geospatial inspection documentation
How do ontologies and properties work in geospatial annotation?+

Reusable ontologies define classes, attributes, Item Properties, and relations. For example, a Building can have Type and Condition attributes, a Road can have Type and Surface attributes, and the two objects can be connected with an adjacent-to relation.

Properties and relations documentation
How does Unitlab manage geospatial annotation quality and review?+

Configurable workflows route geospatial tasks through annotation, review, rework, and approval. Instructions, assignments, comments, issues, annotation history, dataset versions, and releases keep quality decisions traceable for individual experts and enterprise teams.

Annotation and review documentation
Can teams use their own AI models for geospatial pre-labeling?

Yes. Unitlab can bring custom models into the annotation workflow to generate pre-labels and predictions. Annotators review and correct model output instead of starting from zero, while human approval remains part of the governed quality process.

Model integration documentation
Can Unitlab curate, annotate, and version geospatial datasets in one platform?

Yes. Teams can curate geospatial data with metadata filters, semantic search, embeddings, similarity, and outlier discovery, then annotate selected samples, review results, and publish controlled dataset versions for reproducible AI development.

Dataset management documentation
GEOSPATIAL ANNOTATION PLATFORM

Build Production-Ready Geospatial Datasets with Unitlab

Annotate, review, and manage complex aerial and satellite imagery in one AI-assisted workspace. Move from raw images to controlled, production-ready dataset versions with built-in quality workflows.