News

Challenges in Automotive Image Quality Testing

Imatest’s Norman Koren presents his vision for challenges in automotive image quality testing including resolving low-contrast scenarios.

Read More

Closing the Loop: Distortion Correction

Imatest’s charts and software allow you to measure the characteristics and parameters of imaging systems. Quite often these measurements simply indicate the limits of system performance and expected image quality.

But some Imatest results let you improve image quality— and subsequent images taken by the same system— by correcting measured aberrations. (more…)

Read More

The Effects of misregistration on the dead leaves cross-correlation texture blur analysis

This paper was given as part of the Electronic Imaging 2017 Image Quality and System Performance XIV and Digital Photography and Mobile Imaging XIII sessions.

When: Tuesday, January 31, 2017, at 12:10 pm

By: Robert Sumner with support from Ranga Burada, Noah Kram (more…)

Read More

Measuring MTF with wedges: pitfalls and best practices

This paper was given as part of the Electronic Imaging 2017 Autonomous Vehicles and Machine session.

When: Monday, January 30, 2017, at 10:10 am

By: Norman Koren with support from Henry Koren, Robert Sumner (more…)

Read More

Best practices for using transmissive test charts

 

Light Source

Side chart largeThe most uniform light source available would be an integrating sphere, but these come with considerable size and expense. After considering how the light source uniformity impacts their results, most lab & manufacturing tests use LED or fluorescent lightboxes with flat-panel diffusers. (more…)

Read More

Automating Lab and Manufacturing Processes

For many production departments tasked with balancing manufacturing outcomes with product design requirements, the process can be cumbersome, lagged in the past by human quality control and the need to correlate results with partner tests.

Integrating image quality software with automated testing equipment in the lab and manufacturing enables maximized efficiency and enhanced quality standards throughout the development cycle.

Join us on Wednesday, March 1, 2017, for our webinar, “Automating Lab and Manufacturing Processes” to learn how to raise quality standards while maximizing efficiency.

Read More

Testing a macro lens using Checkerboard and Micro Multi-slide

Imatest’s Checkerboard module is our new flagship module for automated analysis of sharpness, distortion and chromatic aberration from a checkerboard (AKA chessboard) pattern. The big benefit of using the checkerboard is that there are looser framing requirements than with other kinds of test targets. While checkerboard lacks the color and tone analysis provided by SFRplus and eSFR ISO, these features are not available on the high precision chrome on glass substrate, so the checkerboard is the optimal pattern for this test.

Read More

Using Sharpness to Measure Your Autofocus Consistency

Autofocus plays a major role in many camera system applications with variable focus, including consumer electronic devices. Camera systems must be able to focus at a variety of distances. Optical systems on cameras only allow a certain range of distances from the camera to be in focus at once (this is often known as the depth of field, or depth of focus). (more…)

Read More

Image Quality Testing for the Automotive Industry

Over the last few years, the automotive industry has taken great strides to incorporate camera systems into vehicles. From ADAS to rear-view cameras, there are many applications for camera systems in vehicles. 

With this integration of camera systems in the automotive industry, companies now have a variety of image quality factors to verify and standards to adhere to.  

Imatest is a leader in image quality testing solutions for the automotive industry. Join us for this free webinar to learn more about image quality testing in the automotive industry.

During this webinar, you can expect to learn:

  • An introduction to image quality factors and industry standards
  • What image quality factors matter most to the automotive industry
  • An overview of tests to deploy for automotive camera systems
  • How to begin testing your camera systems
Read More

Fundamentals of Image Quality Testing

For many engineers tasked with designing camera systems for a product, image quality testing is a complicated endeavour given the variety of test charts and measurements available. 

Understanding which image quality factors to measure in your product and how to interpret results will ensure your product is equipped with quality imaging systems. (more…)

Read More

Introducing Imatest 4.5

Imatest 4.5 is the most powerful version of the platform yet with enhancements and additions for a variety of industries, including automotive, medical, consumer electronics, security, and more. The newest features give users increased flexibility in the range of target distances and light levels to improve your high-speed, automated testing.

To learn more, please visit imatest.com/4.5. 

Read More

The Operator Console: Open Source GUI for Imatest IT

Update: Starting in Imatest 4.5, a pre-built, ready-to-run version of the Operator Console now ships with all Imatest IT Windows installations, allowing users to take advantage of the simplicity of the Operator Console without writing a single line of code. It can be found in the /samples/OperatorConsole directory.

(more…)

Read More

Imatest and Sofica Partner for Automated R&D Testing

Imatest is pleased to announce their partnership with Sofica, a group of camera algorithm validation and test automation experts based in Finland. This partnership will bring mobile device customers a revolutionary, robot-aided R&D test automation system integrated with Imatest analysis software and test charts.

(more…)

Read More

Imatest Support for CPIQ Metrics

What is CPIQ?

IEEE-SA working group P1858 created the CPIQ standard. CPIQ seeks to standardize image quality test metrics and methodologies across the mobile device industry, correlate objective test results with human perception, and combine this data into a meaningful consumer rating system.
(more…)

Read More

Imatest Version 4.4

Imatest is pleased to announce the release of version 4.4, which includes the following features:

Support for all 2016 Camera Phone Image Quality (CPIQ) standard metrics for mobile device image quality. CPIQ serves as a way to assess and communicate image quality to the vast majority of consumers who are unsure how to judge and compare device image quality. See a full CPIQ overview.

Auto-focus, Auto White Balance, and Auto Exposure (AAA) metrics for faster image adjustments. AAA metrics were created to address the video image quality aspects that most affect user experience.

(more…)

Read More

Imatest 4.3

We are pleased to announce Imatest 4.3. New features include:

    • Support for Linux (Ubuntu 14.04) across all Imatest software
    • Python API for IT for a simplified, flexible development environment
    • SSIM module for estimating the loss of image quality caused by image processing, especially data compression

(more…)

Read More

Transmissive Color Targets

This new 24-patch Transmissive Color target can be used for evaluating color accuracy using a lightbox, which can be more compact and uniform than a reflective lighting system.

These targets are produced with high-precision Light-Valve Technology. (more…)

Read More

Automated Manufacturing Test Equipment

Imatest is pleased to announce our partnership with isMedia, a specialist in building digital imaging test machines and custom test solutions. This partnership will provide customers with a wide range of highly customizable test machines capable of extensive image quality analysis on manufacturing lines.

(more…)

Read More

Sinusoidal Siemens Star Target

The Sinusoidal Siemens Star test chart allows you to measure MTF and limiting resolution with a chart that provides angular response and may be less affected by signal processing (especially sharpening) than slanted-edges. Siemens star MTF20 (the spatial frequency where MTF is 20% of its low frequency value) is a good estimate of limiting resolution. (more…)

Read More

SFRreg Target

The SFRreg test target consists of a slanted-edge quadrant pattern enclosed within a circle. It is used for measuring MTF and lateral chromatic aberration. A test image typically contains several targets that are automatically detected and analyzed by Imatest 4.2. (more…)
Read More