Carmen® Mobile

Collect data using the camera of your Android mobile phone for ANPR Cloud using this free, ready-to-use application


Carmen® Mobile is an Android application that you can use with your ANPR Cloud subscription.

The application allows you to use your mobile phone camera to collect license plate recognition (ANPR/LPR) data, even from fast-moving vehicles. Events stored in the internal database include license plate and, optionally, class, brand, model, color, GPS data, and timestamp.

Discover the benefits of ANPR Cloud using your smartphone. Just download the app, sign in, and you are ready to identify vehicles on the go.




Discover the features of Carmen® Mobile and see how you could tailor on-the-go ANPR to your needs.

First Use

First Use

Learn how to use Carmen® Mobile for the first time. See where to download the app, how to register to ANPR Cloud, and log into the app’s user interface.

Preset Modes

Preset Modes

A short presentation of the preset modes of Carmen® Mobile. Learn how they can help you create the best on-the-go ANPR experience for your project.

Handheld Mode

Handheld Mode

See how Carmen® Mobile performs in handheld mode with the automatic and the manual trigger.

Parking Mode

Parking Mode

Watch Carmen® Mobile perform license plate recognition on parking cars on both sides of the road.

What Can I Use Carmen® Mobile for?

Bring ANPR Cloud into your pocket

Use our ANPR Cloud service, encompassing worldwide license plate coverage, exceptionally accurate OCR, and class, brand, and model recognition through a handy, ready-to-use Android phone application.

Build your own ANPR project

Save time and money through our ready-to-use application. All you need is an Android mobile and an ANPR Cloud subscription to have your own ANPR system.

Boost your ANPR solution with mobility

Integrate Carmen® Mobile into an existing Android app as a service to receive the required ANPR data via simple API calls made from other apps.

Highlighted Features

Read all license plates of a geographical region

Even if you choose a specific country engine for your project, Carmen® Mobile will accurately return all license plates from its region (e.g., Europe, North America). With this app, there is no such thing as an unrecognizable license plate.

Perform accurate ANPR at 180 km/h (112 MPH)

Perform ANPR from a moving car with a 90+% detection rate, even at a speed difference of 180 km/h (112 MPH) and on cloudy days. All traffic situations are covered, i.e. vehicles approaching/moving away, parked on the side, etc.

Upload events easily to your chosen server

With the Carmen® Mobile app, uploading events is easy. All you need to do is provide the destination server (GDS, FTP, or REST API), pick the data to be included in the event package, and let the app do the rest.

Select automatic or manual capture

The app automatically captures images by default, but you can easily switch to manual triggering. Carmen® Mobile also automatically preselects pictures to guarantee accurate ANPR results without using too many ANPR Cloud credits.

Use ready-to-use presettings

Aside from your custom settings, Carmen® Mobile offers five preset modes for the following situations: in motion, in a fixed position, parking, handheld, and above a highway. You can further customize all these presets to your needs.

Create your own alert lists

Create your own customized hotlists to receive alerts for specific events directly from the app. Capture traffic and parking violators and other vehicles of interest right on the spot with Carmen® Mobile.

Decide what information you need

Event packages may include an overview, a picture of the vehicle, and even a short video. You have the option to only upload hotlisted vehicles to the server.

Get instant feedback for each capture

Get instant feedback on the success of image capturing via vibration and/or sound signals. Both signals can be turned on and off in all modes.

Save bandwidth by working offline

Images and metadata can be collected without 4G, saving you battery time and money. Events then can be processed and uploaded at a later time on a Wi-Fi connection.

Process live feed, images or prerecorded videos

A wide range of formats (RTSP, RTPM, MJPEG, MP4) and sources supported, such as live video feed, a still image, a video uploaded to the app from an external camera.

Adjust camera settings to your preferences

Additional settings of the phone's camera allowed, such as exposure time and brightness, a flashlight, and separate modes for performing ANPR during the day and night.

Supercharge your existing Android app with ANPR + MMR

Integrate Carmen® Mobile into existing systems. Launch the app from your own app and get ANPR and MMR data straight from the live video stream.

Validate data by digital signature

Use the digital signature to authenticate ANPR results. Verify who created the event and prove that event data hasn't been tampered with.

Some Use Cases for Carmen® Mobile

Targeted Identity Checking

Targeted Identity Checking

Police officers can perform their jobs easier with only two devices – one sending the data to the central database and the other receiving it. While monitoring traffic, they receive alerts of vehicles in the database.

Targeted Parking Control

Targeted Parking Control

Parking control agents can quickly scan vehicle license plates and send them to a central database. Other agents may receive the exact geographic location and license plate data of cars whose owners failed to pay for parking.

Wanted Car Detection

Wanted Car Detection

Carmen® Mobile can automatically alert police officers of nearby events using a central database.

Visitor Management

Visitor Management

With the included black & white list feature, event organizers can monitor license plates of guests, arrival times, VIP arrivals, and more.

Average Speed Measurement

Average Speed Measurement

Using two phones, users can measure the average speed of vehicles by having the two devices capture the vehicle passing by at two different points.

Try Carmen®️ Mobile Now and Get 200 Free ANPR Credits

Frequently Asked Questions

Can I forward ANPR data to an external server?

Yes. Currently, you have three methods to upload your events to a backend server: GDS, FTP, and HTTP REST.

Can I use Carmen® Mobile on any mobile device running Android?

Minimal requirements for the device include:
– OS: Android 10 or newer
– Memory: 4 GB RAM
– CPU: Octa
– Minimum DXOMARK score for the phone’s camera: 100

What size are event packages?

– MPG4: 1.5 to 2 MB
– Picture of vehicle: ca. 200 KB/event + extra media (JPEG)
– Overview image: FHD, 800 KB to 1 MB (JPEG)

What happens with offline events?

When the phone is offline, Carmen® Mobile continues to record images but doesn’t add ANPR data to them. Once the phone is connected to Wi-Fi again, photos captured offline are completed with ANPR data, and they subsequently appear in the list of events.


Product main feature 1 >99% ANPR accuracy on a global scale
Product main feature 2 Plate reading from any live camera feed
License location Cloud
Input type JPEG, MJPEG, Mobile camera video stream, MP4, RTMP, RTSP
Form of software Application
Make & model recognition Yes, optional
Supported Operating Systems Android
Licensing Cloud API key
Input stream protocols MJPEG, RTP, RTSP
Live stream / video file ASF (MPEG4), MJPEG, MP4 (H.264), RTMP, RTSP
Output Country/State/Province ID, ID of recognized images, License plate in ASCII or UNICODE format, Time stamp
Output data format FTP upload, JSON file, REST API
Trigger Video-based vehicle detection
anpr-input Image, Video / stream
anpr-mmr-option Yes
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