MTF mapper

beta
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Description

A utility to produce MTF (modulation transfer function, a measure of edge acuity) maps of images. The program will automatically detect dark rectangular objects on light backgrounds, and extract MTF values on all edges. Can help to tune SLR autofocus. See http://mtfmapper.blogspot.com for more usage examples.

MTF mapper Web Site

Categories

Other/Nonlisted Topic

License

BSD License

Features

  • Automatically extracts dark (black) rectangular objects from images, and measures the Modulation Transfer Function (MTF, a measure of image sharpness) across the edges of the rectangles.
  • Using a special test chart (.pdf supplied), measure the point of sharpest focus relative to a reference point, i.e., measure front- or back-focus in DSLRs
  • Measure the MTF (sharpness) of your lens across the field of view
  • Works with many image formats, including JPEG and various raw formats

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User Reviews

  • jackho9
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Generates Edge Spread Functions, Line Spread Functions, MTF/OTF Spatial Frequency plots from slanted edges - and much, much more. No installation required, but ability to work in Command Line necessary for Windows executables. Highly recommended!

    Posted 01/10/2014
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Additional Project Details

Intended Audience

Advanced End Users

User Interface

Command-line, Win32 (MS Windows), X Window System (X11)

Programming Language

C++

Registered

2011-08-25
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