Upscaling
Raising the resolution of an existing image by learning the transformation rather than interpolating pixels.
Official source: Image Super-Resolution Using Deep Convolutional Networks →
The founding work establishes it under another name — single-image super-resolution — as an end-to-end mapping learned directly between the low- and high-resolution image, optimised as one network instead of as separate stages. The term commonly used for the operation is not the term the source uses for it.
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