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.