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Fig. 3 | Plant Methods

Fig. 3

From: Four-dimensional measurement of root system development using time-series three-dimensional volumetric data analysis by backward prediction

Fig. 3

SBI-ICP registration. a A x–y slice of an X-ray CT image. Image size is 307.2 mm × 307.2 mm. The yellow arrowhead indicates high intensity signals derived from minerals. b A point cloud based on high intensity signals derived from minerals. The point cloud was designated as SBI (soil block identifier). c ICP (iterative closest point) registration with time-series X-ray CT volumes. d Overlaid top-view projections of 21 RSA-segmented volumes without and e with ICP registration

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