Olympus VSI "multifile" test dataset

Olympus VSI "multifile" test dataset

A publicly available dataset in the proprietary Olympus VSI format intended for testing file readers and other related mechanisms.

Key properties / requirements:

overall size is as small as possible (~200 kiB in this case)

dataset consists of a top-level .vsi file plus a subfolder structure containing one or more .ets files

IMPORTANT: this dataset was heavily postprocessed (see the section below), it is purely meant to have a valid example of the file format structure.

Dataset Information

Image Dimensions

channels: 2 (405, 488)

size X: 1645

size Y: 1682

size Z: 11

Software Version

The software used to acquire and postprocess the dataset.

cellSens Dimension v3.1 (Build 21199)

Postprocessing

The following steps were applied to reduce the size of the dataset:

cropping

background subtraction

rank filter

NxN filter

JPEG 2000 compression

SHA-1 Sums

Available in the file sha1sums, generated by:

cd data/
find -type f -printf '%P\n' | xargs sha1sum > ../sha1sums