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Fig. 10 | BMC Medical Imaging

Fig. 10

From: Time-resolved tracking of the atrioventricular plane displacement in Cardiovascular Magnetic Resonance (CMR) images

Fig. 10

Added value of algorithm processing blocks. Box plot illustrating the added value of performing the tracking both forwards and backwards using point prediction and curve shape reconstruction. Each box contains the results as the 2-norm of the difference between the manually measured atrioventricular plane displacement (AVPD) curve and the tracked AVPD curve, from the time-resolved test set (n = 20) in both the left and right side of the heart. In the first box, the 2-norm between the curves when only tracking forward from the end diastolic timeframe to the last timeframe is shown, without any position prediction. Second (Merged), the 2-norm is shown when merging the curves resulting from the forward and backward tracking. Third (Point prediction), the 2-norm is shown when merging the curves from the forward and backward tracking and also using point prediction. And last (PCA reconstruction), the 2-norm when merging with point prediction, and also reconstructing the curve shape using the principal component analysis (PCA) eigenvectors is shown. In each box, the central mark is the median. The box edges represent the 25th and 75th percentiles, and the whiskers indicate the 10th and 90th percentiles. Outliers are represented as plus signs (+)

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