Features & Capabilities
LaSoFly provides a comprehensive toolkit for flexible annotation
5 Shape Types
Annotate any object with the right tool
Circle
Fast annotation for round objects
Square
For symmetric objects
Rectangle
For elongated objects
Polygon
For complex shapes
Freehand
For organic shapes
Canvas Features
Zoom & Pan
Mouse wheel to zoom, middle-click to pan
Canvas Resizing
Drag bottom-right corner to enlarge
Undo/Redo
Full history support (20 states)
Configurable Label Colors
Define custom colors for each label
- ✓Admin Settings: Define labels with custom hex colors or color picker
- ✓Dynamic Rendering: All shapes render in their label's configured color
- ✓Multi-Annotator: Each annotator still distinguishable in model overlay
Model Overlay (Admin Analytics)
Interactive visualization for QA review
Task Map
See status at a glance
Multi-Annotator Modal
See all annotations overlaid
Annotator Colors
Each annotator gets distinct color
Label-Aware Rendering
Shapes in label colors with fallback
Navigation
Navigate between neighboring tiles
Model Selection
Select trained model to display
Filters
Set filters for displayed data
Reviewer Role
Dedicated role for quality control of the review queue
Bulk approval
Reviewers see the entire review queue and can confirm or reject many tiles at once.
Reviewer suggestion
Annotators who progress to expert are automatically flagged as reviewer candidates.
Audit trail
Every reviewer decision is logged with timestamp, justification, and before/after state.
Outlier Rework Loop
Annotators receive deviant annotations back for rework
Automatic detection
Annotations with low IoU agreement are flagged as outliers after consensus calculation.
Tile banner
The affected annotator sees a clear banner with a rework counter on the next visit.
Learning loop
After correction the consensus is recalculated — no disciplinary effect.
Trust Stage in the Mobile App (TagQuest)
Playful visibility of learning progress
Stage star
Blue star for novice/experienced/verified, golden star with glow for expert.
Level-up animation
On a stage transition a short pop animation appears after submit.
Probation pin
A subtle pin appears in the tile header during the verified-test phase.
Profile with progress bar
In the profile overlay the user sees their stage, match rate, tile count, and next-stage requirements.
Personalized Communication
Smart email system that adapts
New Users
Receive comprehensive onboarding
Existing Users
Get concise login reminders
Languages: German & English