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Fig. 5 | Big Data Analytics

Fig. 5

From: Two dimensional smoothing via an optimised Whittaker smoother

Fig. 5

Smoothing a two dimensional histogram: Added some noise to mammography. [Upper left graph:] A breast mammography. An area that seems like a tumour has been marked with a cross. [Upper right graph:] obscured by Gaussian noise, [Lower left graph:] smoothed by kernel smoother [Lower right graph:] smoothed by Whittaker smoother with optimisation

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