Olho Vivo Patrol: mobile ALPR enforcement vehicle

In some Spanish-speaking markets, the terms "cepo virtual" and "cepo digital" are used for camera and OCR enforcement systems. Olho Vivo Patrol does not immobilize the vehicle: it reads the plate along the route and compares the record with authorized databases. If there is a possible irregularity, it gathers the data for review under the local authority's rules and procedure.

“Ticketing car” is a popular label for camera-based enforcement vehicles. Olho Vivo Patrol reads plates, associates time and location and can flag a possible irregularity. A reading does not become a fine by itself: the action depends on legislation, the contracted purpose and the competent authority's validation procedure.

“Spy car” is a media label, not a technical definition. A responsible project limits capture to the authorized purpose, minimizes data, controls access and defines retention and disposal. The more precise technical name is mobile ALPR vehicle or parking enforcement vehicle.

OCR enforcement uses vehicle-mounted or fixed cameras to capture license plates. Aretron extracts the characters, records the confidence level and compares the reading with databases the authority is legally permitted to consult, such as paid parking activations. A possible irregularity becomes a record for validation under the municipality's procedure; the reading alone does not automatically issue a fine.

In tests conducted with our OCR, we achieved 98.7% accuracy in license plate reading. This is a test result, not a universal percentage for every scenario: resolution, speed, lighting, angle, plate condition, camera installation and configuration all affect the reading. For each project, we confirm performance with a sample representative of the actual route and acceptance criteria defined for the operation.

Beyond plate reading, the vehicle can include modules for detecting pavement defects, inventorying signs, mapping urban assets and capturing georeferenced panoramic images. The combination depends on the hardware, contract and authorized purpose. Features that process personal or biometric data require a legal basis, necessity assessment, access controls, defined retention and human governance consistent with data-protection law.

Infrared illuminators and specific settings may allow license plates to be captured in low light. Nighttime quality varies with distance, speed, glare, rain, plate condition and the installed setup. The project must test these factors along the route and adjust confidence limits before using a reading for enforcement.

Telemetry brings together route coverage and the condition of the onboard system: connectivity, cameras, processing, storage and power. For compatible vehicles and interfaces, it can also receive speed, RPM, temperature, voltage, consumption and fault codes. Each project defines which signals and thresholds produce alerts; acceptance is performed on the contracted vehicle and route.

We use a proprietary computer-vision algorithm in the driver-monitoring module. When contracted, configured and authorized for that purpose, it analyzes the internal camera and can identify signs consistent with fatigue, such as prolonged eye closure, yawning and head tilt, as well as mobile-phone use and the presence of an unauthorized passenger. Because processing can run in the vehicle, we control event classes, thresholds and data destinations without sending every image to an external AI service. We can also develop and validate new rules, such as prolonged inattention, camera obstruction or an identity mismatch, according to project needs. Each use is subject to acceptance testing and definitions of purpose, lawful basis, data minimization, access control, retention and audit consistent with data-protection law. The result is an operational alert; it is not a medical diagnosis and does not replace human assessment or response.

Aretron is Areatec's artificial intelligence engine for processing images in the vehicle itself. Depending on the contracted configuration, it can perform license plate reading, pavement-defect detection and signage assessment without sending every raw image to the cloud. Latency, concurrency and quality are measured on the hardware and under the conditions planned for the project.

Authorized imagery may produce georeferenced indications of potholes, cracks, patches or subsidence for triage. DNIT technical terminology may guide the categories used, but system classification does not replace field inspection, measurement, an engineering report or the authority's decision. Scope and criteria are verified in acceptance testing.

Olho Vivo Patrol provides resources for a privacy-oriented deployment, such as onboard processing, access roles, audit logs, configurable retention and anonymization in workflows where it is specified. Compliance does not come from the product alone: the project must define purpose, legal basis, necessity, authorized operators, sharing, retention and data-subject handling.

Pintrust checks the coherence of the position declared at capture and compares independent sources to flag signs of spoofing, simulation or replay. When configured for the authorized workflow, it authenticates that position and creates a certificate binding coordinates, time, device and the file fingerprint. AreaChain preserves that certificate and its sequence. These records support review; admissibility and evidentiary weight also depend on preservation of the original file, access controls and the competent authority's procedure.

AreaChain records the cryptographic hash and sequence of events selected for the authorized workflow, such as photos, license plate readings or coordinates. During an audit, the system recalculates the hash and compares it with the recorded value; a mismatch shows that the content changed. The trail supports integrity and order checks, but it does not replace access controls, preservation of the original file or legal assessment of the case.

Olho Vivo PTT is an IP communications product integrated with field equipment and the operations center. It brings together push-to-talk voice plus voice, text and video messages in authorized channels. Aretron analyzes voice characteristics and, when it notices a change in tone against configured parameters, routes an alert to the person registered in the workflow. Protection includes military-grade encryption, authentication, channel segregation, audit records and project-defined retention.

AreaFACE is an individual 1:1 check: the person in front of the tablet is compared with one selected reference, including local liveness signals. Facial search is a separate workflow. An authorized reference comes from Olho Vivo City and Patrol looks for a match during the defined route. A result above the configured threshold sends location, time and equipment for human validation; other faces are anonymized at the source.

The number of readings per hour depends on route length, permitted speed, vehicle density, the number and position of cameras, occlusions and the need for repeat passes. Sizing should separate total captures from unique plates and define capacity in a representative field test. This allows the manager to compare coverage and quality without treating a laboratory figure as a universal promise.

A dedicated operator is not required to perform the capture. Olho Vivo Patrol was designed to work automatically while the driver focuses solely on driving: the cameras capture, Aretron processes and the system records events without continuous typing. This does not mean that the software determines the enforcement staffing model. Officer presence, human review and authority to issue or validate each action follow applicable law and the rules of the city or responsible authority. We configure the workflow, profiles and validation stages according to the premises approved for each project.

We integrate with leading traffic-citation processing companies in the Brazilian market and with environments maintained by state traffic authorities. Each connection is implemented only with systems and databases the authority is authorized to use. Depending on the specification approved for the project, we use APIs, web services, webhooks, structured files or secure queues to send plate readings, images, location, date, time, confidence and other authorized metadata, as well as to receive the lists and responses required by the workflow. Authentication, encryption, formats, retries, acknowledgements, cadence and audit records depend on the responsible provider and the authority's procedure. This does not imply a universal connection to every database: each integration requires credentials, technical approval, acceptance testing and defined responsibilities.

Autonomy depends on the vehicle, alternator, battery, number of cameras, processing load and operating temperature. The project sizes power supply, discharge protection and local storage for the planned shift. Field tests confirm how long the system operates and how much data it can retain without synchronization; telemetry monitors voltage, temperature and maintenance alerts.