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