Das Multi-Aperture Computed Tomography Imaging Spectrometer (Mactis) von Sony Semicon ist eine hyperspektrale Kamera, die sofortige Aufnahmen ermöglicht. Mithilfe eines diffraktiven optischen Elements erzeugt es mehrere Projektionen eines hyperspektralen Datenwürfels auf dem Bildsensor. Ein spezieller Algorithmus rekonstruiert das hyperspektrale Bild aus dem spatio-spektral gemultiplexten Signal, ähnlich wie bei Computertomographie-Scannern. Mehrere nebeneinanderliegende Blenden erzeugen jeweils eine Projektion mittels eines Gitterprismas.
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Multi Aperture Computed Tomography Imaging Spectrometer
Sony Semicon’s Multi Aperture Computed Tomography Imaging Spectrometer (MACTIS) is a snapshot capable hyperspectral camera. A diffractive optical element is used to create multiple projections of the hyperspectral data cube side by side on the image sensor. A reconstruction algorithm computes the hyperspectral image from the spatio-spectral multiplexed signal. It solves a similar problem as the reconstruction algorithms used for computed tomography scanners. Several apertures are placed next to each other. Each aperture creates only one projection using a grating prism.
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