Large Scale AFIS and multi-biometric identification

MegaMatcher is designed for large-scale AFIS and multi-biometric systems developers. The technology ensures high reliability and speed of biometric identification even when using large databases.

Available as a software development kit that allows the development of large-scale single- or multi-biometric fingerprint, iris, face, voice or palm print identification products for Microsoft Windows, Linux, Mac OS X, iOS and Android platforms.

MegaMatcher 11.0 Standard SDK is for developing a client/server based multi-biometric fingerprint-face-iris identification product. This SDK is suitable for network-based and web-based systems with database sizes ranging from several thousand records up to a million records. The SDK includes ready-to-use server-side software and a set of components for developing client-side applications on Microsoft Windows, Android, iOS, Linux and Mac OS X.

MegaMatcher 11.0 Extended SDK is for developing a large-scale network-based AFIS or multi-biometric identification product.

Features & Capabilities

Proven in national-scale projects, including passport issuance and voter deduplication.
NIST MINEX-compliant fingerprint engine, NIST IREX proven iris engine.
Turnkey multi-biometric solution for national-scale identification projects with MegaMatcher ABIS.
High performance matching for large-scale systems with MegaMatcher Accelerator.
Fingerprints, irises and faces can be matched on smart cards using MegaMatcher On Card.
Includes fingerprint, iris, face, voice and palm print modalities.
Rolled, flat and latent fingerprint matching.
BioAPI 2.0 and other ANSI and ISO biometric standards support.
ICAO requirements compliancy check for face images.
Effective price/performance ratio, flexible licensing and free customer support.

SDK contents

MegaMatcher SDK is designed for development of large-scale AFIS or multi-biometric identification products. Fingerprint, face, iris, voice and palm print recognition engines are included in MegaMatcher 11.0 SDK.

MegaMatcher 11.0 SDK includes server-side software and a set of modules for developing client-side applications. .NET components are included for rapid development of client-side software. MegaMatcher 11.0 supports BioAPI 2.0. To ensure system compatibility with other software, WSQ component is available, as well as modules for conversion between MegaMatcher template and biometric standards.

MegaMatcher 11.0 is suitable not only for developing civil AFIS, but also for forensic AFIS applications, as it includes an API for latent fingerprint template editing. Latent fingerprint template editing is necessary in order to submit a latent fingerprint (for example, one taken from a crime scene) for the identification into AFIS. Also MegaMatcher is able to match rolled and flat fingerprints between themselves.

The table below compares MegaMatcher 11.0 Standard SDK and MegaMatcher 11.0 Extnded SDK components.

Fingerprint component licenses included with a specific SDK:
Component types	MegaMatcher 11.0 Standard SDK	MegaMatcher 11.0 Extended SDK
• Fingerprint Image Processing	1 single computer license	1 single computer license
• Fast Fingerprint Matcher	1 single computer license	1 single computer license
• Fingerprint Client	3 single computer licenses	3 single computer licenses
• Fingerprint Extractor	1 single computer license	1 single computer license
• Fingerprint Matcher	1 single computer license	1 single computer license
• Mobile Fingerprint Client	3 single computer licenses	3 single computer licenses
• Mobile Fingerprint Extractor	1 single computer license	1 single computer license
• Mobile Fingerprint Matcher	1 single computer license	1 single computer license
Face component licenses included with a specific SDK:
• Face Image Processing	1 single computer license	1 single computer license
• Fast Face Matcher	1 single computer license	1 single computer license
• Face Client	3 single computer licenses	3 single computer licenses
• Face Extractor	1 single computer license	1 single computer license
• Face Matcher	1 single computer license	1 single computer license
• Mobile Face Client	3 single computer licenses	3 single computer licenses
• Mobile Face Extractor	1 single computer license	1 single computer license
• Mobile Face Matcher	1 single computer license	1 single computer license
Iris component licenses included with a specific SDK:
• Iris Image Processing	1 single computer license	1 single computer license
• Fast Iris Matcher	1 single computer license	1 single computer license
• Iris Client	3 single computer licenses	3 single computer licenses
• Iris Extractor	1 single computer license	1 single computer license
• Iris Matcher	1 single computer license	1 single computer license
• Mobile Iris Client	3 single computer licenses	3 single computer licenses
• Mobile Iris Extractor	1 single computer license	1 single computer license
• Mobile Iris Matcher	1 single computer license	1 single computer license
Voice component licenses included with a specific SDK:
• Voice Processing	1 single computer license	1 single computer license
• Voice Client	3 single computer licenses	3 single computer licenses
• Voice Extractor	1 single computer license	1 single computer license
• Voice Matcher	1 single computer license	1 single computer license
• Mobile Voice Client	3 single computer licenses	3 single computer licenses
• Mobile Voice Extractor	1 single computer license	1 single computer license
• Mobile Voice Matcher	1 single computer license	1 single computer license
Palm print component licenses included with a specific SDK:
• Palm Print Client	1 single computer license	1 single computer license
• Palm Print Matcher	1 single computer license	1 single computer license
Server-side matching component licenses included with a specific SDK:
• Matching Server	+	+
• MegaMatcher Accelerator 11.0 Development Edition fingerprint, face and iris engines license		1 single computer license

MegaMatcher Fingerprint Template Extraction and Matching Engine

Full MINEX Compliance. NIST has recognized MegaMatcher fingerprint algorithm as MINEX compliant and suitable for use in personal identity verification (PIV) program applications.
Rolled and flat fingerprints matching. The MegaMatcher fingerprint engine matches rolled and flat fingerprints between themselves. Typically, conventional "flat" fingerprint identification algorithms perform matching between flat and rolled fingerprints less reliably due to the specific deformations of rolled fingerprints. MegaMatcher allows flat-to-flat, flat-to-rolled or rolled-to-rolled fingerprint matching with a high degree of reliability and accuracy. The algorithm matches up to 200,000 flat fingerprint records per second on a single PC.
MegaMatcher includes fingerprint image quality determination, which may be used during enrollment to ensure that only the best quality fingerprint template will be stored in the database.
Template generalization is used to generate a better quality template from several fingerprints. Better quality templates result in a higher level of identification accuracy.
MegaMatcher is tolerant to fingerprint translation, rotation and deformation. It uses a proprietary fingerprint matching algorithm that identifies fingerprints even if they are rotated, translated or have deformations.
Adaptive image filtration algorithm eliminates noises, ridge ruptures and stuck ridges, and reliably extracting minutiae from even the poorest quality fingerprints in less than 1 second.

MegaMatcher Face Template Extraction and Matching Engine

Template generalization is used to generate a better quality template from several face images. Better quality templates result in a higher level of identification accuracy.
Tolerance to face position assures a level of enrollment convenience. MegaMatcher allows for 360 degrees of head roll. Head pitch can be up to 15 degrees in each direction from the frontal position. Head yaw can be up to 45 degrees in each direction from the frontal position. See technical specifications for more details.
Reliable face detection assures accurate enrollment from cameras, webcams and various scanned documents; faces may be enrolled from the scanned pages of passports or other types of documentation. When there are multiple faces present in a video or an image, they may be enrolled and processed simultaneously. Person's gender, facial feature points and basic emotions can be optionally detected.
Facial attributes recognition. MegaMatcher can be configured to detect certain attributes during the face extraction – smile, open-mouth, closed-eyes, glasses, dark-glasses, beard and moustache.
Age estimation. MegaMatcher can optionally estimate person's age by analyzing the detected face in the image.
Live face detection. A conventional face identification system can be tricked by placing a photo in front of the camera. MegaMatcher is able to prevent this kind of security breach by determining whether a face in a video stream is "live" or a photograph. The liveness detection can be performed in passive mode, when the engine evaluates certain facial features, and in active mode, when the engine evaluates user's response to perform actions like blinking or head movements. See recommendations for live face detection for more details.
The biometric template record can contain several face samples belonging to the same person. These samples can be enrolled from different sources and at different times, thus allowing improvement in matching quality. For example, a person might be enrolled with eyeglasses and without, or with different types of eyeglasses; with and without beard or moustache, etc.

MegaMatcher Voice Template Extraction and Matching Engine

Text-dependent voice matching engine determines if a voice sample matches the template that was extracted from a specific phrase. During enrollment, one or more phrases are requested from the person being enrolled. Later that person may be asked to pronounce a specific phrase for verification. This method assures protection against the use of a covertly recorded random phrase from that person.
Two-factor authentication with a passphrase is performed when a person is asked to say a unique phrase (such as passphrase or an answer to a "secret question" that is known only by the person being enrolled). The overall system security increases as both voice authenticity and password are checked.
Text-independent voice matching engine uses different phrases for user enrollment and recognition. This method is more convenient, as it does not require each user to remember the passphrase. It may be combined with the text-dependent algorithm to perform faster text-independent search with further phrase verification using the more reliable text-dependent algorithm.
Automatic voice activity detection. The engine is able to detect when users start and finish speaking.
Liveness detection. A system may request each user to enrol a set of unique phrases. Later the user will be requested to say a specific phrase from the enrolled set. This way the system can ensure that a live person is being verified (as opposed to an impostor who uses voice recording).
Several voice records with the same phrase may be stored to improve speaker recognition reliability. Certain natural voice variations (i.e. hoarse voice) or environment changes (i.e. office and outdoors) can be stored in the same template.

MegaMatcher Iris Template Extraction and Matching Engine

NIST IREX proven reliability. MegaMatcher iris matching engine is based on VeriEye, recognized by NIST as one of the most reliably accurate iris recognition algorithms available.
Fast matching. The iris matching speed is up to 200,000 comparisons per second on a single PC. See technical specifications for more details.
Robust iris detection. Irises are detected even when there are obstructions to the image, visual noise and/or different levels of illumination. Lighting reflections, eyelids and eyelashes obstructions are eliminated. Images with narrowed eyelids or eyes that are gazing away are also accepted.
Automatic interlacing detection and correction results in maximum quality of iris feature templates from moving iris images.
Correct iris segmentation is obtained even when perfect circles fail, the centres of the iris inner and outer boundaries are different, iris boundaries are definitely not circles and even not ellipses or iris boundaries seem to be perfect circles.
Iris image quality determination and spoof prevention. The image quality estimation can be used during iris enrollment to ensure that only the best quality iris template will be stored into the database. Also, cosmetic (decorative) contact lens, which obscure an iris with some artistic or fake iris texture and/or change iris color, can be detected.

Tech Specs

All biometric templates should be loaded into RAM before identification, thus the maximum biometric templates database size is limited by the amount of available RAM.

Fingerprint scanners are recommended to have at least 500 ppi resolution and at least 1" x 1" fingerprint sensors. The specifications are provided for 500 x 500 pixels fingerprint images and templates extracted from these images.
Face capture cameras are recommended to produce at least 640 x 480 pixels images for reliable faces' detection. Face template extraction and matching speed is not dependent on the image size.
The minimal distance between eyes is 32 pixels for a face on image or video stream to perform face template extraction reliably. 64 pixels or more recommended for better template extraction results.
Face recognition engine has certain tolerance to face posture:
- head roll (tilt) – ±180 degrees (configurable);
  ±15 degrees default value is the fastest setting which is usually sufficient for most near-frontal face images.
- head pitch (nod) – ±15 degrees from frontal position.
- head yaw (bobble) – ±45 degrees from frontal position.
  ±15 degrees default value is the fastest setting which is usually sufficient for most near-frontal face images.
The specifications are provided for the default roll and yaw values.
Iris capture cameras are recommended to produce at least 640 x 480 pixels images. The specifications are provided for these images.
Voice samples of at least 2-seconds in length are recommended to assure speaker recognition quality.
A minimum 11025 Hz sampling rate, with at least 16-bit depth, should be used during voice recording.

See also the lists of basic recommendations for facial recognition and speaker recognition.

MegaMatcher biometric template extraction and matching algorithm is designed to run on multi-core processors allowing to reach maximum possible performance on the used hardware.

MegaMatcher (Current Version) fingerprint engine specifications
	Embedded / mobile ⁽¹⁾ platform		PC-based ⁽²⁾ platform		Server platform
Template extraction components	Embedded Fingerprint Extractor	Embedded Fingerprint Client	Fingerprint Extractor	Fingerprint Client	Fast Fingerprint Extractor⁽³⁾
Template extraction speed (fingerprints per minute)	45	50	45	100	3,000
Template matching components	Embedded Fingerprint Matcher		Fingerprint Matcher		Fast Fingerprint Matcher⁽⁴⁾
Template matching speed (fingerprints per second)	3,000		40,000		200,000
Single fingerprint record size in a template ⁽⁵⁾ (bytes)	700 - 6,000 (configurable)

MegaMatcher (Current Version) face engine specifications
	Embedded / mobile ⁽¹⁾ platform		PC-based ⁽²⁾ platform		Server platform
Template extraction components	Embedded Face Extractor	Embedded Face Client	Face Extractor	Face Client	Fast Face Extractor⁽⁶⁾
Template extraction speed (faces per minute)	45	50	45	100	3,000
Template matching components	Embedded Face Matcher		Face Matcher		Fast Face Matcher⁽⁴⁾
Template matching speed (faces per second)	3,000		40,000		200,000
Single face record size in a template ⁽⁵⁾ (bytes)	4,028 or 5,066 or 7,128 (configurable)

MegaMatcher (Current Version) iris engine specifications
	Embedded / mobile ⁽¹⁾ platform		PC-based ⁽²⁾ platform		Server platform
Template extraction components	Embedded Iris Extractor	Embedded Iris Client	Iris Extractor	Iris Client	Fast Iris Extractor⁽⁶⁾
Template extraction speed (irises per minute)	45	50	45	100	3,000
Template matching components	Embedded Iris Matcher		Iris Matcher		Fast Iris Matcher⁽⁴⁾
Template matching speed (irises per second)	3,000		40,000		200,000
Single iris record size in a template ⁽⁵⁾ (bytes)	2,348

MegaMatcher (Current Version) voiceprint engine specifications
	Embedded / mobile ⁽¹⁾ platform		PC-based platform		Server platform
Template extraction components	Embedded Voice Extractor	Embedded Voice Client	Voice Extractor⁽²⁾	Voice Client⁽²⁾	Fast Voice Extractor⁽⁶⁾
Template extraction speed (voiceprints per minute)	45	50	45	100	3,000
Template matching components	Embedded Voice Matcher		Voice Matcher⁽⁴⁾
Template matching speed (voiceprints per second)	100		8,000
Single voiceprint record size in a template ⁽⁵⁾ ⁽⁷⁾ (bytes)	3,500 - 4,500

Notes:
(1) Requires to be run on iOS devices or Android devices based on at least Snapdragon S4 system-on-chip with Krait 300 processor (4 cores, 1.51 GHz).
(2) Requires to be run on PC or laptop with at least Intel Core 2 Q9400 quad-core processor (2.67 GHz) to reach the specified performance.
(3) Requires to be run on server hardware with at least Dual Intel Xeon processors E5-2680V2 (2.8 GHz) to reach the specified performance.
(4) Requires to be run on PC with at least Intel Core i7-4771 quad-core processor (3.5 GHz) to reach the specified performance.
(5) MegaMatcher (Current Version) allows to store multiple biometric records of the same or different biometric modalities in a template; in this case the template size is the sum of all included biometric records.
(6) Requires to be run on server hardware with at least Intel Xeon E5-2680V2 processor (2.8 GHz) to reach the specified performance.
(7) The specifications are provided for 5-second long voice samples; template size has linear dependence from voice sample length.

See also: technical specifications for MegaMatcher Palm Print engine.

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