MOTOROLA SOLUTIONS License Plate Recognition LPR Systems User Guide
- August 31, 2024
- Motorola Solutions
Table of Contents
- MOTOROLA SOLUTIONS License Plate Recognition LPR Systems
- Product Usage Instructions
- HOW LPR SYSTEMS WORK
- DEPLOYMENT OVERVIEW
- DEPLOYMENT SCENARIOS
- KEY CONSIDERATIONS
- DEPLOYMENT SCENARIOS
- MOBILE
- IN-CAR INTEGRATED
- APP-BASED
- KEY FUNCTIONALITY TO CONSIDER
- DATA MANAGEMENT
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
MOTOROLA SOLUTIONS License Plate Recognition LPR Systems
Specifications
- Product: License Plate Recognition (LPR) Systems
- Available Deployment Options: Fixed, Quick-Deploy, Video-Based, Mobile, In-Car Integrated, App-Based
- Features: Real-time threat detection, automation of operations, increased officer efficiency, various deployment scenarios
Product Usage Instructions
Understanding License Plate Recognition (LPR) Systems:
License Plate Recognition (LPR) systems are essential tools for law
enforcement agencies to enhance threat detection, close criminal
investigations faster, and improve officer productivity.
Selecting the Right Solution:
Consider the deployment options available – fixed, quick-deploy, video-
based, mobile, in-car integrated, and app-based – based on your agency’s needs
and budget.
Deploying Fixed LPR Systems:
Fixed LPR systems are permanently installed on poles or infrastructure.
They offer high data capture rates, operate in all weather conditions, and
can read vehicle plates at high speeds.
Leveraging LPR Cameras:
Install a combination of LPR cameras to capture plates in various scenarios
for accurate and actionable data leading to quicker case resolutions.
Frequently Asked Questions (FAQ)
-
Q: Why should I adopt License Plate Recognition?
A: Adopting LPR helps in finding wanted vehicles, closing cases faster, and improving officer efficiency and productivity. -
Q: What are the available LPR deployment options?
A: The available deployment options include fixed, quick-deploy, video- based, mobile, in-car integrated, and app-based systems. -
Q: How do fixed LPR systems differ from other deployment options?
A: Fixed LPR systems are permanently installed for continuous scanning in all conditions, providing high data capture rates and reading plates at high speeds.
SELECTING THE RIGHT LICENSE PLATE RECOGNITION SOLUTION FOR YOUR AGENCY
A COMPREHENSIVE GUIDE TO BUILDING A SUCCESSFUL LPR PROGRAM
BUYER’S GUIDE LICENSE PLATE RECOGNITION (LPR) SYSTEMS
An indispensable law enforcement tool, License
Plate Recognition (LPR) systems assist agencies with real-time threat
detection and mitigation, while helping close all manner of criminal
investigations faster.
HOW LPR SYSTEMS WORK
LPR solutions take photos of vehicles, then use Optical Character Recognition
(OCR) algorithms to capture and parse license plate data, along with date,
time and GPS coordinates. They can also integrate with other technologies to
significantly expand their core functionality. For instance, LPR detections
can trigger a real-time alert to improve situational awareness, be searched
and analyzed for investigative insight, and be leveraged to automate processes
such as traffic enforcement or access control.
Using an LPR solution automates operations to increase officer efficiency and
productivity, so officers spend less time on rote activities and more time in
the community, keeping residents safe.
With a range of models from multiple vendors incorporating a variety of features, selecting the right solution for your agency can seem challenging. Partnering with an experienced vendor with LPR product expertise and law enforcement know-how will ensure regulatory compliance and program success, especially given the ever-changing laws and regulations governing LPR.
WHY ADOPT
LICENSE PLATE RECOGNITION?
AVAILABLE LPR DEPLOYMENT OPTIONS
This guide aims to serve as a starting point in helping you establish a successful LPR program. We’ve provided detailed descriptions and usage scenarios for each type of available camera system, along with guidance on supporting your system with back-end software.
LPR CAMERAS:
SYSTEM TYPES, DEPLOYMENT SCENARIOS, AND PURCHASING CONSIDERATIONS
Different situations require different types of LPR. Depending on your agency
and community’s needs, your LPR program will likely consist of several types
of LPR cameras installed for capturing plates in various scenarios. These
cameras should work together to provide you with accurate and actionable data,
so that you can go from case to closure more quickly.
In addition to this guide, our LPR-equipped virtual city allows you to see how
LPR can work together in a comprehensive video program.
VISIT THE LPR-EQUIPPED CITY:
namrinfo.motorolasolutions.com/lpr-
solutions
FIXED
DEPLOYMENT OVERVIEW
Fixed LPR systems are one of the most adopted types of deployments today. These cameras are permanently installed, typically on poles or other roadway infrastructure, and can provide the most data capture per dollar spent. Fixed cameras are high-performing, continuously scanning in all weather conditions – day or night – as well as reading vehicles moving at high speed.
DEPLOYMENT SCENARIOS
HIGHWAYS AND INTERSTATES
Owing to the high traffic volume, high-performance fixed LPR is often in place
on highways, interstates and other major thoroughfares. These roads require a
high rate of capture, as well as high quality bright and low-light performance
in place at all times of the day. With vehicles moving at high speeds, a
global shutter sensor will also ensure accurate data capture.
JURISDICTION ENTRY POINTS
While not all entry points will have significant traffic, a reliable plate
capture capability will ensure information is captured from vehicles moving at
high speed at all times of the day, so you can proactively respond to threats
and mitigate incidents.
KEY CONSIDERATIONS
CAPTURE RATE
This determines how many plates the system can successfully detect; a quality
camera should be able to continuously scan a high volume of cars in a short
timespan.
READ ACCURACY
This measures the accuracy of a camera’s recognition; a high performing system
will read in dark environments, as well as read plates on vehicles moving at
high speeds.
LENS DESIGN
Having a variety of focal lengths to choose from means cameras can be deployed
as per the needs of the area. A wide field of view also helps ensure you can
scan errant vehicles.
RUGGEDNESS
Ruggedness metrics determine how capable a system is of withstanding wear and
tear before being replaced, as well as indicating how well it can perform in
inclement weather.
SOLUTION RECOMMENDATIONS
- Frame rate should be 60 frames per second (FPS) or greater
- The camera should scan continuously
- There should be no daily capture limits
- Simultaneous color and IR image capture
- Zero degradation at 150 MPH or greater
- Camera should employ a global shutter
- Lenses should span at least 6mm – 25mm
- 20-foot field of view for multi-lane capture
- Camera system should be IP68 or higher
- Should be rated ISO 16750-3 or better
- Operate at temperatures of -40ºF to 140ºF
QUICK-DEPLOY
DEPLOYMENT OVERVIEW
Quick-deploy LPR cameras are one of the newest LPR technologies on the market.
With flexibility and data connectivity, the cameras can be easily moved
according to the needs of the area, or they can be installed permanently.
Quick-deploy LPRs can include their own stand or be mounted to common
infrastructure, making them ideal for low-volume, low-speed vehicle scanning
in controlled environments.
DEPLOYMENT SCENARIOS
NARCOTICS INTERDICTION
By helping gather more data and evidence, quick-deploy cameras can be
instrumental in shortening drug interdiction timelines. As you uncover
distribution details and primary players, you can easily expand
investigations, utilizing analytics to expose operational patterns – and make
arrests more quickly.
NEIGHBORHOOD COMPLAINTS
Deployed easily and often covertly, these cameras are perfect for improving
the response to community concerns as they can be quickly activated in areas
experiencing an uptick in disturbances such as suspicious vehicles or parties.
PATTERN CRIME LOCATIONS
Upon determining a recurring crime series and MO, quick-deploy cameras can be
placed at probable future targets, in order to identify vehicles and people of
interest.
PUBLIC-PRIVATE PARTNERSHIPS
Affordable quick-deploy LPR cameras can be owned and operated by businesses
who see the value in police partnerships, who then seamlessly share images
with your agency. .
KEY CONSIDERATIONS
TIME-TO-BENEFIT
This measures how long it takes to install and activate a camera, and whether
it requires specialized tools or significant technical expertise to do so.
MOUNTING
Varying mounting options means you can place the camera in convenient
locations accordingly.
POWER OPTIONS
Various power options ensure you can move your camera’s location whilst
maintaining a power source.
CONNECTIVITY
Various network options, including one that can connect to an existing
wireless subscription, mean it can be installed wherever necessary.
SOLUTION RECOMMENDATIONS
- Single, self-contained camera unit design
- Hand-holdable size – no bigger than 6 inches
- Quick-connecting Android or iOS setup app
- Pole-mount or equivalent universal straps
- Camera maneuvering via easy-lock ball joint
- Optional security enclosure available
- Solar power with at least 10-watt panel
- AC or DC direct power connection
- Battery power with 100- watt hours or more
- Major cellular carrier support
- Bring-your-own-SIM cellular flexibility
- Wi-Fi connectivity option
MOBILE
DEPLOYMENT OVERVIEW
A highly adopted system, mobile LPR involves between one and four cameras
continuously scanning around the vehicle they’re mounted on. Drivers can
receive real-time alerts from within the car, typically through a software
interface on a mobile computer or tablet device. These cameras are ideal for
helping to keep officers safe and aware of threats, as well as guiding patrol
efforts based on hot plate hits.
DEPLOYMENT SCENARIOS
TRAFFIC STOPS
Mobile LPR can be the first line of defense for officers during a traffic
stop. With high-performance detection and immediate recognition, officers are
alerted to any outstanding wants or warrants associated with a vehicle they’ve
pulled over, allowing them to manage the incident appropriately.
GUIDED PATROL
Turn passive patrolling into active law enforcement with mobile LPR. High-
volume scanning and accurate detection of hot listed vehicles can provide
officers with automated direction on BOLOs and vehicles with warrants,
bringing more criminals to justice, more efficiently.
INVESTIGATIONS
While at the scene of a crime, canvassing nearby vehicles is essential in
helping to locate potential witnesses who can help solve a case. Mobile LPR
speeds up this process, eliminating manual, time-consuming processes.
KEY CONSIDERATIONS
CAPTURE RATE
This determines how many plates the system can successfully detect, a quality
camera should be able to continuously scan a high volume of cars in a short
timespan.
READ ACCURACY
This measures how accurate a camera’s recognition is – a high performing
system will read in dark environments, as well as reading plates on vehicles
moving at high speeds.
LENS DESIGN
Having a variety of focal lengths to choose from means cameras can be deployed
as per the needs of the area. A wide field of view also helps ensure you can
scan errant vehicles.
RUGGEDNESS
Ruggedness metrics determine how capable a system is of withstanding wear and
tear before being replaced, and indicates how well it can preform in inclement
weather.
IN-CAR SOFTWARE
This should be easy to use and adopt for drivers, it should run without
distraction in the background, and be consistent with other software officers
are using.
SOLUTION RECOMMENDATIONS
- Frame rate should be 60 FPS or greater
- The camera should scan continuously
- There should be no daily capture limits
- Simultaneous color and IR image capture
- Zero degradation at 150 MPH or greater
- Camera should employ a global shutter
- Lenses should at least span 6mm – 25mm
- 20-foot field of view for multi-lane capture
- Camera system should be IP68 or higher
- Should be rated ISO 16750-3 or better
- Operate at temperatures of -40ºF to 140ºF
- Audio and visual alert configurability
- Local and network-wide searching
- Light and dark modes interface options
- Option to run in the background
IN-CAR INTEGRATED
DEPLOYMENT OVERVIEW
In-car integrated LPR enhances officer safety by enabling the detection and
recognition of license plates on vehicles in close proximity to, and in the
front of the patrol vehicle. However, as the camera is located inside the car
and it doesn’t leverage a dedicated system designed for this purpose,
integrated LPR has some shortcomings, including difficulties detecting in low-
light and detecting vehicles moving at high speeds.
DEPLOYMENT SCENARIOS
TRAFFIC STOPS
In-car integrated LPR is an effective tool for officers during a traffic stop.
With highly capable detection and recognition, officers are alerted to any
outstanding wants or warrants associated with the vehicle they have pulled
over, so they can approach it appropriately.
KEY CONSIDERATIONS
CAPTURE RATE
This determines how many plates the system can successfully detect, a quality
camera should be able to continuously scan a high volume of cars in a short
timespan.
DRIVER SAFETY
The LPR capability on an in-car system should be intuitive enough that
officers can enable scanning without taking any actions.
IN-CAR SOFTWARE
This should be easy to use and adopt for drivers, it should run without
distraction in the background, and be consistent with other software officers
are using.
SOLUTION RECOMMENDATIONS
- There should be a panoramic field of view
- The camera should scan continuously
- There should be no daily capture limits
- Should not require repositioning for LPR
- Critical sightlines should be unobstructed
- Blind spots should not be created
- Audio and visual alert configurability
- Local and network-wide searching
- Light and dark mode interface options
- Option to run in the background
VIDEO-BASED
DEPLOYMENT OVERVIEW
Video-based LPR uses existing camera feeds and runs the LPR algorithm over the
top of the video to detect and recognize plates, so it can be deployed using
your existing system for a cost-effective, easily integrated option..
DEPLOYMENT SCENARIOS
FACILITIES SECURITY
Video-based LPR is an excellent option for areas that you’re already actively
monitoring with video surveillance, such as police stations, a dispatch center
or other city-owned buildings for which your agency is responsible for
securing and protecting.
SCHOOL SECURITY
With an emphasis on protecting students and teachers at an all-time high,
relationships are strengthening between schools and law enforcement, Video-
based LPR can detect and respond to banned vehicles on premises.
PUBLIC-PRIVATE PARTNERSHIPS
Many businesses have existing video systems in place and wish to partner with
police. Video-based LPR allows images to be seamlessly shared with your agency
– without an extensive upgrade.
KEY CONSIDERATIONS
CAMERA REQUIREMENTS
Determine whether expensive, top-of-the-line cameras are required, or if they
can work with most modern cameras with modest specs.
DEPLOYMENT OPTIONS
To ensure you fit within budget requirements, determine how the video-based
LPR solution is deployed.
KEY FUNCTIONALITY TO CONSIDER
- Resolution requirement no more that 720p
- Frame rate requirement no more than 15 FPS
- Centralized or distributed architectures
- Optional Video Management System (VMS) deployment requirement
- Zero limits on number of cameras
- Real Time Streaming Protocol (RTSP) or Open Network Video Interface Forum (ONVIF)-compliant output
APP-BASED
DEPLOYMENT OVERVIEW
App-based LPR is convenient for license plate and vehicle data capture when a
deployed camera doesn’t have a clear line of sight to a plate. This type of
LPR can also capture hot hit alerts, keeping officers informed even when
they’re away from their vehicle.
DEPLOYMENT SCENARIOS
INVESTIGATIONS
While on scene, canvassing nearby vehicles is essential in helping to locate
potential witnesses. App-based LPR can aid in recording plate information and
eliminate a hand-written, error-prone process; officers can simply walk or
drive by and take a picture or video.
FOOT PATROL
For officers on foot, app-based LPR is an essential tool for license plate and
vehicle data capture. Using their mobile device, they can easily take a
picture of a suspicious vehicle or use it during a field interview to document
details of the interaction.
KEY CONSIDERATIONS
OPERATING SYSTEM
The ability to run an application on devices officers already rely on aids
accessibility. It provides a familiar user experience, simplified management
and overall efficiency of use.
PLATE CAPTURE
A variety of data collection options, including scanning plates through
streaming video or from a single image capture or upload, ensures officers
productivity.
HIT ALERTING
Beyond just capturing data, determine how your LPR
app can ensure officers are informed of vehicles of interest so they can take
appropriate action and stay safe.
DATA SECURITY
Ensuring data is stored securely avoids questions around validity. Determine
how it’s stored, if it’s accessible through other apps on the device, and how
users are authorized.
KEY FUNCTIONALITY TO CONSIDER
- Available on Android or iOS
- Download from Google Play or Apple App Store
- Capture single license plate images
- Multi-plate capture via video
- Upload images from phone gallery
- Push notification alerting
- Data erased from device after closing app
- Segmented, isolated data storage
- User login with optional PIN method
LICENSE PLATE RECOGNITION SOFTWARE: SEARCH, ANALYSIS, ALERTING, DATA MANAGEMENT, SECURITY AND SUPPORT
SEARCHING AND ANALYTICS
When it comes to LPR data, its most basic investigative use is determining
where a vehicle of interest has previously been seen. This is easy when you
have a full license plate to go off of, but what really makes an LPR system
valuable is its ability to also accommodate partial and wildcard searches in
instances where a witness only caught a couple of characters of the plate.
But what happens when you have no characters at all? Maybe a victim only knows
the make and model of a perpetrator’s car, or even just that a vehicle was
present. This is where a location-based search capability is helpful. It
allows you to set a timeframe and proximity to a location, as well as year,
make and model parameters to generate a list of potential vehicles worth
investigating. An effective location-based search capability will also allow
you to look for vehicles who appear at multiple locations, which is essential
when identifying vehicles of interest in a crime series.
In addition to providing sophisticated search options, look for a system that does more with your data and helps you to capture more leads. Some of the most advanced analytic features that provide the most value to agencies include associate analysis, convoy analysis and locate analysis. Associate and convoy analysis enable you to identify vehicles connected to your identified vehicle of interest. This can help you get a better understanding of criminal networks perpetrating anything from trafficking and smuggling to burglaries and thefts. Locate analysis delivers additional insight on vehicles of interest by determining the most probable location of the vehicle. This feature is effective in quickly finding a vehicle of interest involved in a violent crime, a missing person or an abduction.
KEY FUNCTIONALITY TO CONSIDER
- Full, Partial & Wildcard Plate Search
- Single and Multi-Location-Based Search
- Year, Make, Model & Color Search Filtering
- Associate & Convoy Vehicle Analysis
- Vehicle Locate Analysis & Prediction
HOT LISTS AND ALERTING
Another often-used LPR capability is creating hot lists and configuring alerts
for sightings of vehicles of interest. When evaluating a solution, first
consider whether the hot list and white list creation, as well as access,
should be permission-based. It makes everyone’s job more convenient to not
only have agency-wide lists but to enable users to create their own lists for
specific cases they’re working on. Additionally, outside of your agency, it’s
important to be able to have access to other agency, state and national lists
to facilitate better collaboration.
Once you have created, shared and subscribed to hot lists, determine how you’ll receive essential alerts. Most solutions should facilitate email and text message-based alerts for individual users and groups, based on the hot lists they have access to. Additional notification channels to consider include mobile application-based alerts which facilitate push notifications on any Android or iOS device, as well as a dedicated alerting client that can run at a workbase such as dispatcher’s workstation. Lastly, the ability to directly integrate alerts into other systems, such as call handling, computer- aided dispatch systems or a real-time crime center solution are also highly beneficial.
KEY FUNCTIONALITY TO CONSIDER
- User, group or agency hot list creation
- Simple hot list sharing and subscriptions
- Email and text message-based alerting
- Mobile application/push notifications
- Easy-to-use dedicated alerting client
- System-integrated alerting capabilities
DATA MANAGEMENT
As all law enforcers will be aware, investigations aren’t cleanly completed in
a matter of days. It takes months to build a case, gather evidence, follow up
on leads, identify suspects and make arrests, not to mention make
prosecutions. As a result, having full control of your data retention and
ownership is paramount. A system that allows you to set your own data
retention policy, rather than an arbitrary one dictated by a vendor, means you
can preserve data as long as is required to close a case – as well as meet
your specific state and local requirements for data retention. You should be
the owner of your data, not the vendor, so should you leave and wish to take
your data with you, you can.
Similarly, data sharing is another important element of an LPR program. As we
know, criminals don’t abide by jurisdictional boundaries, especially when they
are on the run. Agency-controlled data sharing between both neighboring and
nationwide agencies can help you generate stronger leads and capture more
criminals. Additionally, data-sharing with businesses and community groups
leveraging LPR is effective in fostering strong community relationships and
partnerships, co-creating better public safety together. In such partnerships,
setting a clear understanding and expectation for policy and process is
critical; consider the ease with which you can create a Memorandum Of
Understanding (MOU) between yourself and those you’re sharing data with
KEY FUNCTIONALITY TO CONSIDER
- Agency-defined data retention policy
- Complete agency data ownership
- Preservation function for critical data
- Agency-to-agency data sharing
- Enterprise-to-agency data sharing
- Built-in MOU templates
PRIVACY AND SECURITY
Your system of choice must be compliant with the Criminal Justice Information
Services (CJIS) Security Policy, which provides the most comprehensive
framework, informed by the National Institute of Standards and Technology
(NIST) and the FBI. This will ensure that your data is protected by dictating
parameters for physical security, redundancy, access control, audit
functionality, encryption of data at-rest and in-transit, and compliance
regulation.
Justification fields for use of certain features are also useful – they
provide a record of why a user is employing the solution.This can address
privacy concerns and boost community buy-in around your use of LPR technology.
KEY FUNCTIONALITY TO CONSIDER
- Agency-defined data retention policy
- Complete agency data ownership
- Preservation function for critical data
- Agency-to-agency data sharing
- Enterprise-to-agency data sharing
- Built-in MOU templates
POLICY, TRAINING AND SUPPORT
As well as quality product features and reliable functionality, sustaining a
successful LPR program depends on proper policy creation, user training,
vendor support and the easy access and integration of new innovations. A
trusted vendor can be relied on to support these elements, in addition to
technology development and ownership. In order to effectively support your LPR
camera systems, as well as continuously push enhancements and innovations to
your software, choose a vendor who’s also responsible for the design and build
of the technologies they sell you, including the software, algorithms and
cameras – not a third party. Employing a third party can mean support is
fragmented and meaningful innovation is stifled because customer feedback is
unlikely to reach the actual developer of your LPR products.
KEY SERVICES AND FUNCTIONALITY TO CONSIDER
- Help with policy and process creation
- Free user and administrator training
- Direct 24/7 technical support
- In-house developed technology
- Free, automatic system updates
PROCUREMENT OPTIONS
Upon determining the right solution for your agency, the final step is
purchasing. A suitable vendor will be able to offer varying procurement needs,
ranging from an upfront purchase, a subscription ‘as-a-service’ model, and
financing options. Subscription pricing models can provide benefits like
predictability of spend and automatic equipment upgrades, as well as including
additional services such as warranty or advanced support. Before you commit to
a subscription, ensure you’re made aware of the required contract length.
KEY PROCUREMENT OPTIONS TO CONSIDER
- Outright, upfront purchase
- Subscription ‘as-a-service’
- Required contract length
SELECTING TODAY’S LPR SYSTEMS:
ONE SIZE DOES NOT FIT ALL
Each type of LPR solution comes with its own questions and considerations
based on projected use cases and overall program goals. An experienced vendor
with law enforcement industry expertise will be able to match your specific
needs to the right system, while ensuring your agency complies with rapidly
evolving LPR regulations.
For over 90 years, Motorola Solutions has revolutionized law enforcement
technology – creating innovative, mission-critical communications and security
solutions that help agencies create safer communities. We hope the knowledge
you’ve gained from this guide will instill confidence in your ability to
acquire the best LPR system for your agency’s unique needs, and with it, help
your community thrive.
For more information on our LPR systems, visit:
motorolasolutions.com/lpr
GET HELP WITH GRANTS
Looking to make new LPR systems more attainable for your department? Motorola
Solutions has partnered with the grant experts at PoliceGrantsHelp to offer
you FREE customized help obtaining grants for LPR and other video systems for
law enforcement. This includes grant research, grant alert notices and grant
application reviews.
Whether you’re just starting your project or need to add the final touches to
an application, consultants can provide the grant resources you need to
acquire LPR systems.
START YOUR GRANT SEARCH : policegrantshelp.com/motorola-solutions-lpr-
grant-assistance/
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08-2023 [EV06]
References
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