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 is pleased to announce a new collaboration with Optikos Corporation. Both organizations look forward to expanding client support and flexibility by bringing the unique testing abilities of Imatest software to Optikos metrology products.
The first result of this collaboration is Imatest 4.2’s analysis of images captured using the Meridian™ Production Camera Test System by Optikos, a revolutionary testing approach that employs multiple target projectors at precise angles to provide real-time measurement and analysis of image quality. It now allows sharpness to be tested at infinity in compact environments.
Starting with Imatest 4.2, Imatest’s two-dimensional color displays— CIELAB a*b*, CIE 1931 xy chromaticity, etc.— in Multicharts, Multitest, Colorcheck, SFRplus, and eSFR ISO can display ellipses that assist in visualizing perceptual color differences. You can select between MacAdam ellipses (of historical interest), or ellipses for ΔCab (familiar but not accurate), ΔC94, and ΔC00 (recommended).
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 the Optikos Corporation’s Meridian™ Production Camera Test System that allows you to test the sharpness of cameras focused at infinity in compact environments. (more…)|
Imatest version 4.2 is now available as a public beta. Join our Beta Test Group to access 4.2 updates. Highlights include:
- SFRreg Module: Analyze the SFR of slanted edges through the automatic
detection of registration mark patterns (circles with two light and two dark quadrants). Use arrays of registration mark targets to test unique imaging systems, including systems with ultra wide angle fisheye lenses (>180 degrees), multiple camera combinations, video and more.
- Point Spread Function (PSF): Imatest can now estimate an imaging system’s loss of resolution (PSF)
using a pair of collocated, near-sagittal and tangential slanted edges on SFRplus, eSFR ISO and SFRreg targets. Easily analyze and improve sharpness, chromatic aberration, and distortion measurements.
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.