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EMX-30

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USB Tethered dual iris imager for desktop, countertop, and kiosks

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Overview

Overview

EMX-30 provides exclusive subject positioning distance indicators, so that the subject can quickly and reliably place his or her eyes within the capture zone. Thanks to its unique distance calculation capability, subjects no longer need to guess at or hunt for correct eye placement. LED’s located within the mirror’s display easily guide the subjects into the correct position: a blue light indicates too far away, red too close, and green indicates the correct distance.

 

The proprietary face-finding function makes this a touch-free system. The iris imager head automatically tilts to the correct angle for each subject, quickly adjusting for the subject’s height. This tilt head feature is also optically implemented, so that EMX-30 can be placed behind an optical glass or plastic partition, such as those found in a kiosk or outdoor protective enclosure.

 

The EMX-30 simultaneously collects both iris images. This real time image quality metrics assure that all images exceed the ISO 19794-6 standards for image quality, ensuring optical matching accuracy, even for very large subject populations. Highly affordable, the EMX-30 is USB-based, and requires only a minimally configured PC that is placed within the USB standard cable length to operate.

Note: The EMX-30 is fully backward compatible with EMX-10 installations. Please contact us for more details.

Highlights

Highlights

  • Fully hands-free operation with motorized auto-tilt
  • USB tethered for cost effectiveness
  • Superior image quality for matching accuracy
  • Intuitive subject positioning guides
  • Easily integrated

User Interface and Subject Instructions

User Interface and Subject Instructions

Simplest and most repeatable subject interface available:

 

  • Partially transparent mirror guides subject placement in X-Y dimensions
  • Easy to use color LED’s at center of mirror indicate correct placement of 32 to 35 cm (enrollment mode) in Z dimension.

 

The subject should be instructed to:

  • Place the reflection of his / her eyes in the center of the mirror;
  • Keep eyes open;
  • Look at the colored LEDs and move his / her head toward or away from system according to the color;
  • Stop when LED is green, and hold the position for about 1 second.

 

Please contact CMITech or your representative for more information on the CMIRIS Software Development Kit (SDK), and the CMITech Demo / Evaluation Package that includes all drivers.

Key Features

Key Features

Feature Use Advantage
State-of-the-art optical design The optical design includes utilizing highest quality optics and very fast shutter speeds, which allows the systems to exceed industry stan­dards for image quality. The measured modulation transfer function exceeds the specification in the ISO 19794-6 standard of 4.0 lp/mm at 60% contrast ratio.
Advanced, proprietary stereoscopic eye localization The EMX-30 accurately locates the position of both eyes in 3D in near-real time to optimize subject ease of positioning and iris image quality. This feature enables the fast and reliable subject distance positioning indicators.
Simple and repeatable subject user interface Subject positioning is simple and intuitive. The subject merely aligns his / her eyes with the positioning mirrors, and then moves toward or away from the system based on simple, colored LED indications:

Blue is too far away

Red is too close and

Green is OK.

 

Simplest of user instructions The combination of the easy to use positioning features also means that the instructions to subjects are simple and straightforward. (See User Interface and Subject Instructions.)
Proprietary optics for positioning indicators eliminate parallax viewing problems The proprietary and patented design of the color LEDs for distance positioning can only be viewed by one eye at a time, eliminating any parallax viewing problems that might cause the subject to repo­sition his / her head. The result is a smooth and intuitive positioning experience, even if the subject’s head is positioned slightly to one side.
Automatic vertical height adjustment The system accommodates subjects of different heights. After auto­matically locating the subject’s face and eyes, the EMX-30 tilts the iris imaging subsystem. This function is optical, which allows for utilization behind optical glass or plastic shielding.
Stand-off distance of 32 to 35 cm Comfortable range for subjects in wide variety of kiosk, desktop or countertop placements
Large depth of capture of 30 mm The very large depth of capture enhances robustness and ease of positioning.
High speed, simultaneous dual iris image capture sensors Both iris images are collected at a frame rate of 30 frames per second. ro provide a very fast and optimzied user experience. In addtion, the system monitors in real time various quality metrics to determine which iris image pairs should be selected as the biometric sample.
Near-real time off-axis gaze detection Capturing the correct position of the eyes is essential for optimal iris biometrics. The system automatically detects subject gaze angle (i.e. whether the subject is looking directly ahead at the imager). If the subject is looking away, the system will automatically wait until the subject looks straight ahead before capturing a valid iris biomet­ric image.
Motion detection System detects subject eye motion during the capture sequence, and waits until subject meets motion threshold (which is adjustable) in order to assure there is no adverse motion blurring.
Optional extended range capture Capture range can be extended to 60mm (approximately 300 to360mm from subject) through an SDK setting for additional subject ease of use and capture speed.
Face image capture Face images are collected in synchronization with the biometric iris images, so that the data record consists of one face image and two iris image. The face images do not qualify as ISO standard, and therefore are not intended for face recognition or an ID card photo but are intended for manual verification of the subject’s identity and association in the data record with the iris images.
Very wide interpupillary distance range of 45 to 85 mm The wide interpupillary distance range accommodates all adults and young children, making it ideal for large scale, public authenti­cation programs.
Compact, lightweight design Very small size of design optimizes placement or mounting options.

Use Cases

Use Cases

  • Law Enforcement and Defence Sector
  • Access Control
  • Border Crossing & Immigration Control
  • Financial Services
  • Healthcare
  • National & Civil ID

Technical Specifications

Technical Specifications

Feature Use Advantage
Dimensions 202 x 94 x 63 mm (8.0 x 3.7 x 2.5 inches)
Weight 465 grams (16.4 ounces) without base
Image output Meets ISO 19794-6 ; exceeds 4.0 lp/mm @ > 60% contrast
Iris diameter 240 pixels for average 11.5 mm diameter iris (200 to 285 pixels for full range of 9.5 to 13.5 mm diameter irises)
Iris image pixel resolution 640 x 480 pixels, 8 bits. Supports multiple formats.
Operational iris imaging distance (stand-off range) 315 to 345 mm (12.4 to 13.6 inches) in Normal mode
Depth of field 30 mm (1.2 inches)
Inter-pupillary distance covered 45 to 85mm (1.8 to 3.4 inches)
Extended depth of capture (recognition mode only) About 300 to 360 mm. Feature selectable within SDK.  Note: extended depth of capture images may not meet ISO 19794-6 specification.
Time of capture About 0.5 second, typical, from time subject’s eyes are placed within capture volume
IR illumination for iris imaging Dual LED: wavelengths of 850 nm nominal (about 50%); and 750 nm nominal (about 50%)
Color face capture Selectable in SDK.

(The face images do not qualify as ISO standard, and therefore are not intended for face recognition or an ID card photo, but are intended for manual verification of the subject’s identity and association in the data record with the iris images.)

Subject positioning LED indicators Blue: Subject too far away

Red: Subject is too close

Green: Subject within capture volume

Maximum user positioning speed 125 mm per second (4.9 inches per sec.) in “Z” direction
Operating temperature range 0 to 40˚C
Humidity 10 to 90% RH, non-condensing
Eye safety standard IEC 62471
Interface USB 2.0 High Speed
Power Independent power supply required: 2.0 A at 5.0 V (supplied with system)
PC hardware and OS requirements Intel® Atom™ or above processor

Windows 7, 8, 8.1, and 10 (32 and 64 bit)

Linux Ubuntu 12.04 distribution

Other certifications CE , FCC, RoHS, WHQL

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