Furthermore, it is common nowadays to image the same preparation repetitively at various depths to obtain a three-dimensional (3D) image under the form of a stack of two-dimensional (2D) images. Unlike a single 2D image, which can be rendered and interpreted straightforwardly on a screen, a 3D stack needs to be processed to be displayed.Īn image stack can be employed to image a full 3D object. In this case, a single projection cannot be satisfactory and an interactive rendering tool must be used to obtain successive projections of the data in arbitrary directions using transparency filters. Optionally, a detection step can be introduced before the projection to focus on the reconstruction of layers of interest 5. #Matlab convert 2d image to 3d software#Ī variety of software programme as Voxx 6, NIH’s Fiji/ImageJ 7 or VTK 8 propose such options with an interactive visualization. Image stacks are also useful to image flattish or so-called 2.5D objects such as an epithelium, a monolayered cell culture, a membrane within an in vivo tissue sample or a flat biological structure such as cultured neurons. This is because at high resolution, those objects cannot hold within the depth of field of a microscope and therefore a single 2D image acquisition often suffers from being only partially in focus.
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