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Knowledge Base

 

All Versions

License Activation

How to compute resolution in TV Lines (TVL)
Dec-30-2021
Gamma, Tonal Response Curve, and related concepts
Jan-19-2022
Comparing sharpness in cameras with different pixel count
Dec-30-2021
Calculating Exposure Quality Loss per IEEE CPIQ v2
Apr-21-2021
Three optical centers
Jun-15-2021
Which Imatest Charts Support Automatic Detection?
May-05-2021
Making Dynamic Range Measurements Robust Against Flare Light
Apr-07-2020
Color & density reference files in CSV or CGATS format
Jan-28-2021
Correcting nonuniformity in slanted-edge MTF measurements
Aug-31-2018
Imatest does not start, unable to read MAT-file
Jul-06-2018
More

Activation:  Online – Offline

To move a license between computers you need to deactivate first.

Deactivation: Online – Offline

Service File Not Current Version
Setting up Proxy Server connection
Locating Installation ID and Computer ID
Using the License Advisor

Imatest Unable to Access Licensing Server for Imatest 5.0 and Prior
Jul-02-2020
Connectivity requirements for online or floating license activation
Mar-30-2020
Users in China having problems activating licenses or starting trials
Aug-08-2019
New 2019 Imatest Licensing – Update Required to Activate
Mar-10-2020
Running Imatest With High Sierra
Jun-07-2018
More

Imatest Master

Test Setup and Chart quality

Interactive vs. Auto(Batch) Analyses
Oct-01-2021
5.2 MacOS Mojave system freezes during file operations
Mar-30-2020
Imatest won’t launch on Mac OS (Catalina, Mojave)
Jul-24-2020
How to capture frames from a video stream or RTSP camera
Apr-14-2018
Reading an Imatest Plot Episode 2: Noise and Dynamic Range
Jun-27-2017
Reading an Imatest Plot: Tonal Response, White Balance, and Gamma
Aug-11-2018
How to get support for your image acquisition hardware
Nov-25-2020
How to store and retrieve region (ROI) selections
Jul-09-2020
Troubleshooting errors with video files
Apr-03-2015
Acquiring video from Analog sources
Sep-19-2017
More
Test Chart Life Span
Dec-24-2021
Camera to Chart Alignment
Sep-13-2021
Obtaining Uniform Flat-Field Images
Oct-01-2020
Which Imatest Charts Support Automatic Detection?
May-05-2021
Test Chart Substrate and Sizing Guide
May-22-2020
Compensating MTF Measurements for Chart Quality Limitations
Mar-04-2019
Flare: ISO-18844 in the Visible and NIR
Nov-12-2018
High-contrast edge-SFR test targets produce invalid MTF results
Jun-03-2020
Megapixel suitability for test charts
Oct-18-2019
Lightbox Uniformity Comparison
Sep-30-2021
More
eSFRiso_enhanced_200W

Imatest IT

Troubleshooting

New Documentation Available for Imatest IT
Apr-07-2020
Error Message: “Input must be a row vector of characters.”
Mar-16-2017
Python Idle Error: Error writing to output stream.
Mar-13-2017
Error Messsage: “Import Error: No module named imatest.it”
Mar-13-2017
Error Message: “Exception caught during initialization of Python interface”
Mar-13-2017
Error Message: “RuntimeError: On Linux, you must set the environment variable “LD_LIBRARY_PATH” to a non-empty string”
Mar-13-2017
Error Message: “An unhandled exception of type ‘System.BadImageFormatException'”
Mar-13-2017
Error Message: “[module] not registered – Run the License Manager to activate your license or trial”
Mar-13-2017
Automating CPIQ analysis Using Imatest IT and Python
Feb-16-2017
Visual C++ Runtime Library: “The Application has requested the Runtime to terminate in an unusual way. “
Oct-07-2015
More
Imatest not vulnerable to Apache log4j security compromise
Dec-25-2021
Some Imatest calculations up to v5.1 inappropriately averaged zeros with summary metrics
Apr-27-2020
MATLAB Runtime Update 5 or greater required by Imatest 5.2
Mar-30-2020
Imatest does not start, unable to read MAT-file
Jul-06-2018
Undefined variable “py” or class “py.model.Message”.
Apr-08-2019
How to convert a color image to grayscale
Jan-09-2018
Error in Extracting CTF file
Dec-12-2017
Imatest Stops Working – Advanced Troubleshooting
Jul-11-2017
Handling an Lightroom for iPhone RAW DNG file
Apr-17-2018
How to determine what processes are using a device
Apr-03-2018
More

Legacy Versions

 
Gamutvision Installation & Activation Issues
Mar-12-2015
svDoubleSclarRemW could not be located
Mar-15-2017
Legacy Registration (v3.7 and below)
Sep-16-2016
Function ‘get_param’ is not implemented in standalone mode
Jun-10-2014
 

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