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…)
We are pleased to announce our new High Dynamic Range (HDR) test chart with a density range exceeding 120dB (optical density >6.0).
This chart allows you to the measure the dynamic range, tonal response and noise of HDR cameras with a single image instead of multiple, exposure bracketed images. It also contains slanted edges for MTF measurements. (more…)
Imatest has released Version 4.2. New features include:
SFRreg Module: Analyze a camera’s Spatial Frequency Response (sharpness) using automatically-detected slanted edges in registration mark patterns, which can be arbitrarily placed in a camera’s field of view. SFRreg makes it possible to test the sharpness of systems with ultrawide-angle fisheye lenses (>180 degrees) in a single image. It’s also useful for testing multiple camera combinations, video and more.
|SFRreg supports target projection collimator systems which allow you to test the sharpness of cameras focused at infinity in compact environments. (more…)|
New Photographic eSFR ISO
Photographic prints have over twice the resolution of inkjet prints, making them more suitable for higher resolution camera systems like DSLRs. The photographic substrate will benefit customers interested in testing high-resolution sensors as well as those performing close-range macro tests.
New Product: Imatest IT Parallel
Increasing testing throughput
The new Imatest Industrial Testing Parallel (IT-P) edition uses parallel processing to improve the throughput of Imatest IT and maximize the image processing power of your computing hardware. IT-P enables up to 3x more throughput to support test equipment that requires a high volume of images to be analyzed. IT-P improves the PPH (parts per hour) on assembly lines.
Standard Imatest inkjet-printed test charts produced prior to February 2016 work in Near InfraRed (NIR) wavelengths out to approximately 1 micron.
In February 2016 we upgraded our printers and found (to our disappointment) that our new printers do not have the same reflective densities for NIR wavelengths as for visible wavelengths. We are working out solutions to this issue. Please contact us if your needs include NIR.
Our specialized Infrared targets support testing in short and medium wavelengths (3-5 microns) and long wavelengths (8-15 microns) where they can produce adequate contrast to effectively test a range of infrared camera systems.
These test charts include high resolution slanted-edges that can measure sharpness variations across the entire image sensor. The targets support analysis of other key IR image quality factors, including noise and distortion.
SFRplus and eSFR ISO share many similar features and can be used to perform many similar image quality analyses. However, some of their features differ, and understanding which features differ will help you select the most appropriate test chart to analyze your imaging systems. This video outlines key differences between SFRplus and eSFR ISO.
Shenzhen Training Reminder for March 25 and 26. Imatest 4.1 released with new enhancements. New High Stress Targets for Environmental Chambers.
Imatest is proud to announce the official release of its new 4.0 image quality testing software. The Imatest 4.0 upgrade includes a number of refinements including enhanced automation capabilities and a more robust image quality testing experience. Improvements are found across all three of Imatest’s core products: Master, IS (Image Sensor) and IT (Industrial Testing). Below is an in-depth and complete list of all Imatest 4.0 enhancements. (more…)
We are happy to announce that Imatest Master 3.10-Beta is now available for Mac OS X
We are confident in the stability of the image quality testing algorithms in this version, but have kept the Beta tag on this release since there may be some minor issues that remain to be resolved before we remove the Beta tag. (more…)
The release of version 3.10 of Imatest brings a host of improvements to make image quality testing faster and more relevant to advances in cameras. Look for performance, stability, interface and measurement improvements across the board as well as some excellent new modules and features.
- An Optical Image Stabilization (OIS) module has been added to measure OIS effectiveness using images of the SFRplus chart. This module compares three images: unshaken, shaken without OIS, and shaken with OIS. It can also be used to compare SFRplus images from different imaging systems.
- The new Multitest module can analyze all of the color and grayscale charts supported by the interactive Multicharts module in a non-interactive mode that allows batch runs. (Multitest was called ColorTest in early 3.10 releases.)
- Five existing Rescharts modules─ Random (which supports the new “Spilled Coins” texture chart), Log F–Contrast, Wedge, Star (Siemens), and Any Image Sharpness ─ are now available as non-interactive modules that can be run in batches.
- New hue and saturation displays have been added to the Multicharts color accuracy, tonal response and noise modules.
- The new Random/Dead Leaves module provides stronger support for Dead Leaves-type texture charts, particularly for the new Imatest Spilled Coins chart, which is more uniform and has better scale-invariance resulting in more consistent measurements for different image sizes.
Imatest 3.9 was released on December 14th 2012. Please contact firstname.lastname@example.org for purchase or renewal information.
Here is a complete list of changes:
Imatest main window: Explore image file folder and Explore recent save folder have been added to the File dropdown. INI File Settings have been given their own dropdown to minimize clutter. Explore INI file folder has been added. The INI file Editor (useful for fixing errors and for setting up INI files for the Functional Interface and IT) has been greatly enhanced.
Most modules: Dialog boxes for selecting new regions and repeating regions for same-size images have been greatly improved, with clearer instructions and options for lightening and (where appropriate) zooming the image. The last image file name is saved and displayed in the File select dialog box (a time-saver for repeated runs). Region settings for several image sizes are now saved for most modules (except for SFR and SFRplus). JSON output has been added (in addition to XML and CSV).
Raw file support has been greatly strengthened (dialog boxes are somewhat changed).
Multicharts supports the following charts: general mxn grid, SMPTE/Hale color bars, Image Engineering TE226, DSClabs DreamCatcher 48, and Image Science Associates ColorGauge.Multicharts noise analysis has been extended to include several types of chroma noise as well as image sensor noise (from raw files). The Color correction matrix has improved linearization options (based on measured tonal response), and a file for weighting patches (for the matrix optimization) can be entered. The 3D Color difference display now includes split colors, making it very convenient to correlate ΔC and ΔE measurements with perceived color differences.
Blemish Detect detects light (and both dark and light) blemishes in addition to the standard dark blemishes. It can perform nearly all functions of Uniformity. Third order exponential filtering (exp(-x3)) can be selected. Contiguous blemishes are counted (not just total blemish pixels) and can be displayed in the Blemish count plot. Additional display options show blemish regions more clearly.
SFRplus can run without the top and bottom distortion bars (select Auto- no bars in the Rows box).The Field of View calculation has been improved (particularly for distorted images). Rejection of interfering patterns outside the chart has been greatly improved. Additional region selection options include the Skype specification (3 regions) and custom regions specified by an Edge ID file.
SFR and SFRplus: Several rise distances in addition to 10-90% (e.g., 20-80%) can be calculated. The Image or Image & Geometry display has a crop to ROI feature the displays an enlarged region with edge and MTF plots below, providing an excellent visual correlation between appearance and measurements.
Log F-Contrast: The MTF/contrast 2D contour plot is more strongly smoothed for improved readability and accuracy.
Uniformity (formerly Light Falloff): Extra smoothing option greatly improves contour plots. Hot and dead pixel thresholds can be specified by percentage above or below neighboring pixels (in addition to absolute levels). An Optical Center calculation has been added.
IT/DLL (Industrial Testing – non-GUI version) can now receive images (raw or processed) directly from the calling program and pass detailed results back to the calling program via easy-to-parseJSON objects. Pass/Fail criteria can be entered (most useful for production testing, but available in GUI versions). Detailed IT Online documentation, including INI file references, is available.
Changes released in other versions are available on our Changelog
Imatest 3.8 was released on May 14th 2011. Please contact email@example.com for purchase or renewal information.
Here is a complete list of changes:
I3A CPIQ (Camera Phone Image Quality) enhancements: The Dot Pattern module has been added for analyzing distortion and lateral chromatic aberration (LCA). The Dot pattern and ISO-15739 charts have been added to Test Charts. The CPIQ Acutance measurement (similar to SQF) has been added to SFR and SFRplus. The CPIQ color uniformity metric (ΔCmax) has been added to Light Falloff and Uniformity Interactive.
Noise analysis has been added to Multicharts. Support for extremely distorted SFRplus charts has been improved.
Changes released in other versions are available on our Changelog
Toshiba America Electronic Components, Inc. (TAEC), a committed leader that collaborates with technology companies to create breakthrough designs, and Imatest LLC, maker of the world’s most popular image quality testing software, have teamed up to enhance Imatest’s Image Sensor (IS) Edition, a highly anticipated and powerful tool to help engineers responsible for configuring Toshiba image sensors.
Version 3.6 of Imatest’s Master Edition delivers sophisticated blemish detection capabilities based on the human visual system’s ability to detect blemishes. Soon this feature will also be added to the Industrial Testing Edition to enable blemish detection in high-volume camera-system production. Details here
ISO sensitivity (also called ISO speed), is included in Release 3.5 of both Imatest Master and Industrial Testing (IT) packages. ISO sensitivity is a measure of how strongly an image sensor and/or camera responds to light. Both Saturation-based and Standard Output Sensitivity, as described in ISO 12232, are calculated, but the measurement procedure has been considerably streamlined as compared to the ISO specification. The calculation is included in four Imatest modules– Stepchart, Colorcheck, Multicharts, and SFRplus– when the incident light level in Lux is entered.
Now imatest users can quickly and easily analyze ISO sensitivity, as shown in the sample results below for a stepchart image captured with a Canon EOS 20D camera. “ISO Sensitivity was the only major image quality factor not supported by Imatest software, and we are pleased to offer our customers this important new feature” said Norman Koren, Imatest CTO.