New Photographic eSFR ISO & June Trainings
New Photographic eSFR ISO The ISO 12233:2014 Enhanced eSFR Photographic Target is our newest reflective test chart. Photographic prints have over twice the resolution of inkjet prints, […]
Announcing Imatest IT Parallel Processing
New Feature: Imatest IT Parallel Increasing testing throughput The new Imatest Industrial Testing Parallel uses parallel processing to improve the throughput […]
Infrared Targets, Correction for Slanted-Edge MTF Measurements
Infrared Targets Standard Imatest inkjet-printed test charts produced prior to February 2016 work in Near InfraRed (NIR) wavelengths out to approximately 1 micron. […]
Selecting a Chart: SFRplus and eSFR ISO
SFRplus and eSFR ISO share many similar features and can be used to perform many similar image quality analyses. However, […]
Measuring Multiburst pattern MTF with Stepchart
Measuring MTF is not a typical application for Stepchart— certainly not its primary function— but it can be useful with […]
LSF correction factor for slanted-edge MTF measurements
A correction factor for the slanted-edge MTF (Edge SFR; E-SFR) calculations in SFR, SFRplus, eSFR ISO, SFRreg, and Checkerboard was […]
A Study of Slanted-Edge MTF Stability and Repeatability
by Jackson K.M. Roland Abstract The slanted-edge method of measuring the spatial frequency response (SFR) as an approximation of the modulation […]
February 2015: Managing Supply Chain Image Quality
Managing Supply Chain Image Quality Imatest just released the white paper Managing Supply Chain Quality with Imatest to outline best practices […]
Imatest 4.0 Release
Imatest is proud to announce the official release of its new 4.0 image quality testing software. The Imatest 4.0 upgrade […]
Slanted-Edge versus Siemens Star: A comparison of sensitivity to signal processing
This post addresses concerns about the sensitivity of slanted-edge patterns to signal processing, especially sharpening, and corrects the misconception that […]
Imatest for Mac OS X 3.10-Beta Now Available
We are happy to announce that Imatest Master 3.10-Beta is now available for Mac OS X Click here to download […]
Sharpness and Texture Analysis using Log F‑Contrast from Imaging-Resource
Imaging-resource.com publishes images of the Imatest Log F-Contrast* chart in its excellent camera reviews. These images contain valuable information about […]
No Perfect Lens, No Perfect Lens Test
Roger Cicala of LensRentals.com has completed the second part of his two part series investigating lens testing.
Imatest 3.10 Released
The release of version 3.10 of Imatest brings a host of improvements to make image quality testing faster and more […]
Transmissive Chart Quality Comparison
Imatest currently sells several transmissive (backlit) test charts, which have a range of substrates, each with specific properties and qualities […]
Measuring Test Chart Patches with a Spectrophotometer
Using Babelcolor Patch Tool or SpectraShop 4 This post describes how to measure color and grayscale patches on a variety of […]
Imatest 3.9 Released
Imatest 3.9 was released on December 14th 2012. Please contact sales@imatest.com for purchase or renewal information. Here is a […]
Measuring the Effects of Tilt
Summary: The physical lens-to-sensor tilt angle is difficult to measure from images, but the effects of tilt on image quality are […]
Skype Recommends Imatest For Video Quality Testing
Update You can find the latest Skype/Lync standards documents here: https://technet.microsoft.com/en-us/office/dn788953 The Skype Hardware Certification Specifications version 5.0 recommends imatest for […]
Imatest 3.8 Released
Imatest 3.8 was released on May 14th 2011. Please contact sales@imatest.com for purchase or renewal information. Here is a complete list […]