Harmonic Notes

Horn | MATLAB and Image Processing | General Topics

The Harmonic Notes blog primarily covers topics in two areas:

In addition, announcements and posts not specific to horn, MATLAB, or image processing occasionally appear here:

Recently Published Posts

History of Image Display in MATLAB, Part 3: 1993, Image Processing Toolbox 1, and IMSHOW (September 3, 2025)

Image Processing Toolbox version 1, the first appearance of of IMSHOW, and the introduction of more image display models.
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History of Image Display in MATLAB, Part 2: 1990, MATLAB 4, Handle Graphics, and the IMAGE object (August 4, 2025)

MATLAB 4; Handle Graphics and its influence on modern MATLAB design; the original IMAGE object and its strengths and limitations; the first MATLAB default image.
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Adding Search Using Pagefind (July 30, 2025)

Using pagefind to add search capability to a Hugo-based website.
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Mid-Phrase Brain Freeze (July 27, 2025)

In a recent chamber music dress rehearsal, my opening phrase was a train wreck. Mental rehearsal before the performance was my fix.
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History of Image Display in MATLAB, Part 1: Before 1990 (July 26, 2025)

A brief summary of the early years of digital image processing, and of early versions of MATLAB before 1990.
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Hazard Ahead: Dangerous Line Break (July 21, 2025)

I started using a new symbol in my parts to help avoid trouble.
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