Anti-vandalism solution for Law Enforcement and Security Forces · European data sovereignty

Grafiti-ID is an artificial intelligence software developed by Labrax Soluciones for identifying graffiti offenders and urban vandalism in Spain. The platform is designed for local police, the Spanish National Police, town councils, public administrations, and railway operators as infrastructure operators. It uses deep learning and computer vision to extract biometric signatures from graffiti (tags, strokes, pressure patterns, spray angles) and link them to a specific offender, even when the offender changes signature or tag to evade identification. The system performs automatic matching between cities across Spain, making it possible to build case files for continuing offenses of property damage. A renowned professional handwriting expert certifies authorship through a forensic report with a qualified PAdES digital signature. The platform integrates with existing police software, and complies with Spain's National Security Framework (ENS Alto), the General Data Protection Regulation (GDPR), the LOPDGDD and the eIDAS Regulation. Grafiti-ID helps town councils recover graffiti clean-up costs and generates a proven deterrent effect against urban vandalism. Available as SaaS for municipalities across Spain. AI-powered anti-graffiti solution for smart cities. Compatible with NextGenerationEU European funds and municipal digitalization programs. 24/7 technical support and full implementation guidance. GovTech software made in Spain.

Nationwide Collaborative Platform

Software Against Urban Vandalism Powered by Artificial Intelligence

Artificial intelligence software against graffiti vandalism.

Our Deep Learning algorithms extract tags, strokes and pressure patterns to link graffiti to an offender — even with incomplete signatures or deliberate variations. Automatic matching between cities. Forensic analysis admissible in court.

ENS AltoISO 9001ISO 14001ISO 27001ISO 42001ENI
Grafiti-ID software: artificial intelligence analyzing vandalism graffiti, extracting biometric signatures to identify the offender
42M€
Annual spending on graffiti clean-up
85%
Graffiti with no identified offender
3-5
Cities per itinerant graffiti writer
0
Correlation tools available today
A Comprehensive Analysis Ecosystem

An anti-vandalism solution for Law Enforcement and Security Forces. Turning graffiti into actionable evidence.

Grafiti-ID's AI engine extracting biometric signatures from vandalism graffiti to identify the offender
Biometric Identification

Artificial Intelligence Engine

Our Deep Learning algorithms extract biometric signatures (tags, strokes, pressure patterns) to link graffiti to an offender with unprecedented precision. Even with incomplete signatures or deliberate variations intended to evade the law.

Geospatial clustering map of graffiti vandalism incidents in Spanish cities - criminological patterns
Criminological Patterns

Geospatial Clustering

Visualize hotspots and offenders' modus operandi. The interactive map clusters incidents and reveals mobility patterns. Anticipate future attacks and optimize police resources to act quickly.

Digital handwriting forensic report with PAdES signature for judicial identification of graffiti offenders - continuing offense
Renowned Handwriting Expert

Forensic Certification

Generates case files and reports admissible in court, validated and certified by a highly renowned professional handwriting expert. Consolidates damage that would individually be minor offenses into a continuing offense of property damage.

How It Works

From capture to case resolution.

A workflow designed so officers never have to switch tools.

1

Capture

The officer photographs the graffiti. GPS, date and time captured automatically. App, vehicle-mounted camera or police software.

2

AI Analysis

64 biometric features + 512d embedding. Offline matching search across the whole territory.

3

Forensic Analysis

A handwriting expert verifies using a detailed score breakdown. PAdES digital signature + TSA timestamp.

4

Police Report

Case file with evidence from multiple cities. Continuing offense. Chain of custody. Court.

Artificial Intelligence

AI that multiplies your team's capacity.

Automates hours of manual investigation. The officer captures, the AI analyzes, compares and clusters. Your team focuses on deciding, not searching.

64 Interpretable Biometric Features

Curvature, thickness, attack angles, proportions, ligatures, spray dispersion.

EfficientNet-B4 Siamese Network

512d embedding. Triplet Loss + hard negative mining. Offender re-identification.

Auditable Fixed Weights

Score = weighted sum of 5 categories. Versioned and approved by committee.

DBSCAN + Neo4j Graph

Offline clustering to discover groups. Graph to map offenders, crews and cities.

EfficientNet-B4YOLOv8pgvectorNeo4jFastAPIONNX
Composite Score — Match Example
Stroke Geometry87%
Stroke Dynamics92%
Idiosyncrasy78%
Spray Profile84%
Visual Embedding96%
Composite Score88.4%
The Definitive Ally

For Public Administrations and Law Enforcement and Security Forces.

Municipalities spend millions cleaning up graffiti while offenders go unpunished. Grafiti-ID changes the game by providing irrefutable evidence.

  • Building case files for a continuing offense.
  • A drastic increase in the resolution rate of vandalism cases.
  • Justification and recovery of clean-up costs for the municipality.
  • 100% API-Enabled: works with existing police and municipal management software.
  • A proven deterrent effect in active municipalities.
Grafiti-ID dashboard for local police and town councils: urban vandalism map, graffiti writer profiles and statistics
Applications

Each entity operates in its own space. AI connects everything.

Local and National Police

Log graffiti from the street. The AI searches for matches in other cities. Case files all the way to court. Integration with existing police software.

Town Councils

Recover clean-up costs by charging them to the offender. Anonymous citizen channel (PWA). Proven deterrent effect in active municipalities.

Companies and Infrastructure Operators

Transport networks, shopping centers, industrial parks. Detect graffiti with cameras and attribute damage to offenders across your entire facility network.

Why Trust Grafiti-ID

Backed by Labrax's experience in public administration.

+50
Municipalities trust Labrax technology
24/7
Ongoing technical support and guidance
0€
Initial deployment cost for the municipality
100%
Data hosted in Spain · European sovereignty
Full Support
Training for officers, dedicated technical support, and a team that stays with you from day one through full adoption. We don't leave you alone with the software.
Compatible With European Funds and AI Grants
Grafiti-ID is eligible for municipal digitalization programs, NextGenerationEU funds, and smart city grant calls. We help you with the technical justification.
Compliance

Designed for public administration.

ENS Alto

Royal Decree 311/2022. WORM, MFA, HSM, Network Policies. Spanish datacenter.

RGPD

4 DPIAs. Automatic blurring. Non-reversible embeddings. Configurable retention.

eIDAS

PAdES signature, TSA, OCSP. Chained SHA-256. Admissible in court.

LOPDGDD

Art. 22. Public interest. Multi-tenant segregation by entity.

ISO 42001

AI management system. Governance, risk management and traceability of the machine learning model.

Frequently Asked Questions
How does Grafiti-ID identify the offender?
Dual model: 64 biometric features (curvature, thickness, angles, ligatures) + 512d embedding (EfficientNet-B4 siamese network). An explainable score, verifiable by an expert.
Does it work if the tag changes?
Yes. It extracts involuntary motor traits that persist. Even with incomplete signatures or deliberate variations intended to evade the law.
What is a "continuing offense"?
If an offender has graffiti in multiple cities, the individual instances of damage may qualify as minor offenses. Consolidating them turns it into a continuing offense (Article 263 of the Spanish Criminal Code), with much heavier penalties and civil liability.
Is it admissible in court?
Yes. WORM chain of custody + SHA-256. PAdES signature + TSA. Renowned handwriting expert. Complies with eIDAS and Spain's Law 39/2015 on Administrative Procedure.
Does it integrate with police software?
100% API-enabled. OpenAPI 3.0 REST API with existing police and municipal management software, and municipal areas.
Are clean-up costs recovered?
Yes. By identifying the offender and consolidating the continuing offense, the municipality claims all costs as civil liability.
Can citizens report?
Yes. PWA with no installation required. Photo + automatic GPS. Anonymous, no registration. Built-in deduplication and anti-abuse safeguards.
Is it compatible with smart city programs and European funds?
Yes. Grafiti-ID is eligible for municipal digitalization grant calls, NextGenerationEU funds, smart city programs and regional grants for security innovation. We provide the technical documentation needed for justification.
What support do you offer after implementation?
Full support: initial training for officers and commanding staff, dedicated technical support, AI model updates, and a team that stays with you from launch through full adoption. We don't leave you alone with the software.
Contact

Give your team the best tool against urban vandalism

Request a no-obligation demo. We'll show you how Grafiti-ID helps police forces and administrations effectively solve the problem of graffiti vandalism.

Request a Demo
We'll contact you within 24 business hours.
or contact us directly
Email
info@grafiti-id.com
Direct line for decision-makers
Direct Phone
+34 981 928 655
All communications are covered by a confidentiality agreement. No obligation. Response within 24 business hours.