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notes.judayori
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abstraction
(1)
architecture
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computer-vision
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diagnostic
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retrospective
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small-data
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The decision that became the architecture didn’t look like a decision
An audit of a dual-output project: what made a three-month-later requirement cost two lines, and why nobody wrote it down as a choice
architecture
abstraction
retrospective
Three months into this project, I read through the existing code and the first thing I said to my collaborator was:
Jul 26, 2026
Julia Tseng
Why intensity-based ranking fails in pseudopupil detection
A diagnostic walkthrough of a structural ranking failure
computer-vision
diagnostic
small-data
Out of every 10 specimens my pseudopupil pipeline got wrong, 3 had the right answer already in hand and threw it away. This post is about those three: cases where the…
May 3, 2026
Julia Tseng
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