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.vmic WSI reader#4397

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kwiechen wants to merge 16 commits intoome:developfrom
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.vmic WSI reader#4397
kwiechen wants to merge 16 commits intoome:developfrom
kwiechen:develop

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@kwiechen kwiechen commented Jan 8, 2026

Hello,

the .vmic WSI file (#4264) is a nested Zip archive including a deep zoom pyramid. .vmic format information is from:

openslide/openslide#168
https://lists.andrew.cmu.edu/pipermail/openslide-users/2015-December/001164.html

The VmicReader reads the deep zoom pyramid using:

https://github.com/usnistgov/pyramidio

Reading data from WSI files < 2 GB is possible directly using java.nio.file.FileSystems. The reader unzips the outer zip container into a temporary file if size is > 2 GB.

Example data: https://zenodo.org/records/14714280

Best regards,

Kai

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