Nicht-Lineares skalieren.
The Seam Carving procedure aims at resizing pictures non uniformly while preserving their features, i.e. avoiding distortion of the important parts.
A. Gorban, and A. Zinovyev. Principal Manifolds for Data Visualization and Dimension Reduction, volume 58 of Lecture Notes in Computational Science and Enginee, Springer Berlin Heidelberg, (2008)