International Business Machines Corporation

Elliot Jacques Vincent

Peter Willem Jan Staar

Martin M Rufli

Michele Dolfi

Christoph Auer

Ralf Kaestner

Alexander Velizhev

Computer-implemented methods and apparatus are provided for annotating digital images of line plots with ground truth labels. For each digital image, such a method includes supplying image data defining the image of a line plot to a machine-learning model trained to generate a set of control points defining a spline corresponding to the line plot. The method further comprises displaying the spline, and the set of control points, superimposed on the image in a graphical user interface and, in response to user manipulation via the graphical user interface of one or more control points, dynamically adjusting the displayed spline in accordance with manipulated control points whereby the displayed spline can be adjusted for conformity with the line plot. The set of control points for the adjusted spline is then stored as a ground truth label for the image.

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Paris, France

Elliot Jacques Vincent