Hydroptic ZooSCAN imaging sensor
|SeaVoX Device Catalogue
|The ZooScan (Gorsky et al., 2010) is a plankton scanner designed for benchtop applications. It produces and analyses high-resolution digital images of net or bottle-collected zooplankton samples in a fast and semi-automatic way. It allows collection of data on rapidly degenerating gelatinous plankton. The device uses scanner technology with custom lighting and a watertight scanning chamber into which the sample (liquid containing zooplankton organisms) can be placed. The scanner then makes a digital, high-resolution image of the sample enabling optimization of all objects above 200 µm equivalent spherical diameter. Image resolution can be up to 4800 dpi (dots per inch) and each image is 14 150 pixels by 22 640 pixels and may contain hundreds to thousands of individual zooplankton organisms. The analysis is non-destructive since the liquid sample scanned can be recovered without damage through a drainage channel. The device also has built-in features making it possible to standardize the images of different ZooScans, to remote control the image generation, and to build a common image database.
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