I have created 6.11x enlargements with two GIMP methods, three GEGL
methods, and three candidate GEGL methods for which patches are
provided in


The enlargements, named a.png to h.png, are found in the 15M tar archive


To know which method was used to produce each image, read the KEY text file.

One of the three candidate methods is very fast. The total runtime for
the creation of the enlargement with upsmooth is only 15% more than
with bilinear.
Only one of the three candidate methods is slower than GEGL bicubic
(upsharp, by 30%).

Nicolas Robidoux


Warning: the upsize, upsmooth and upsharp samplers already in GEGL are
prototypes of the methods showcased in the above enlargement test.
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