Posted in | Optical Metrology Equipment

Automated Visual Inspection Software for Quality Testing

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When looking for defects in surfaces and assemblies, or testing the quality of illuminated displays and components, there may be a need to perform numerous tests to examine products for an array of evaluation criteria.

The TrueTest™ Software enables the ProMetric^® imaging photometers and colorimeters to be utilized for in-line inspection. It offers:

A flexible framework that enables users to apply a single test or series of tests as required, in an efficient and rapid way
A complete set of predefined tests
A pass/fail report with maximum detail required by users

Supported Products

ProMetric I Series Colorimeters: I2, I8, I16, I29, I61
ProMetric Y Series Photometers: Y2, Y16, Y29, Y43, Y45, Y61

System Requirements

ProMetric^® Imaging Colorimeter or Photometer
Windows^® or 10, 64 bit
16-32 GB RAM
Additional system requirements vary by camera.

Turnkey System for Automated Visual Inspection

There are five main components in the TrueTest™ software application:

Test sequencer
Test library
Automated test execution
Test manager (pass/fail settings and user-defined test parameters)
Report generator

The TrueTest™ Software is user-friendly. It is possible to add any tests from the test library to a test sequence (these are stored, and hence many sequences can be produced and recalled as required). Pass/fail settings and test parameters serve as input for every test. The whole sequence is then run end-to-end automatically. Separate test results are shown, and these can be recorded in a report.

Extensive Selection of Quality Tests Built-In

A wide range of standard quality tests as well as defect detection tools is provided with the TrueTest™ Software. These include:

ANSI brightness
ANSI color uniformity
Autofocus
AutoPOI
Checkerboard contrast
Chromaticity
Color edge mura
Color mura
Compare points of interest
Diagonal pattern mura
Distortion
Focus uniformity
Gradient
Line defects
Particle defects
Pixel defects
Points of interest
Polarizer deformation
Random mura
Sequential contrast
Spot pattern mura
Uniformity

More sophisticated mura detection tests are provided in the optional TrueMURA™ module.

Designed for High-Volume Manufacturing Applications

While the TrueTest™ Software can be utilized for diagnostic testing of a device in a lab condition, it has been developed to fulfill the requirements of large-scale manufacturing applications:

Interfaces to the device under test (DUT) itself or a video pattern generator to regulate test patterns
Tests started directly by a production control system (PCS) or by a human operator in a fully automated production setting
Supports an administrator interface for defining tests and test parameters, and a limited operator mode for running tests
Leverages the high-speed computing technology of contemporary PCs to take measurements and carry out analyses separately, thus decreasing the cycle time
Interface to a barcode reader, the PCS, or similar equipment to acquire data about the device under test (DUT); the test parameters and test sequence can be varied automatically from one DUT to another based on this data

Part of a Field-Proven System for Production Testing

TrueTest™ Software can be used with a ProMetric Imaging Colorimeter or Photometer to produce a comprehensive testing system for machine vision or light quality measurement. A ProMetric imaging system can be selected to meet specific dynamic range, pixel resolution, field of view, and cost needs for users’ application.

Once the TrueTest™ Software is installed, application engineers at Radiant Vision Systems will work with customers to incorporate and initialize the system. They will train customers on how to execute those operations, and ways to maintain the system.

The TrueTest™ product range is field-proven, with installations across the globe, testing an unlimited number of devices for a variety of products. Once in operation, Radiant Vision Systems will support users’ integration with its worldwide technical support team and distributor network.

Available in Application-Specific Modules

Moreover, the TrueTest™ Software is available in exclusive test suites, aligned to and additionally optimized for application-specific testing—ranging from in-headset VR and AR display testing to automotive head-up display measurement. Users can find a module as unique as their application: