superresolution

Beyond pixel limits

Superresolution refers to techniques that enhance image or signal detail beyond the limits of the original capture device.

In imaging, superresolution algorithms combine multiple low-resolution frames or use computational methods to reconstruct finer detail than any single exposure contains: The satellite imagery uses superresolution to sharpen blurry terrain.

The term appears frequently in machine learning contexts, where neural networks generate plausible high-resolution versions of low-resolution inputs.

imaging

microscopy

Technique using powerful lenses

sharpening · interpolation · denoising · deblurring · restoration · refinement · magnification · anti-aliasing · post-processing · resampling

microscopy

SIM

Phone identity module

neural-network

GAN

Competing neural network pair

adversarial · real-time · end-to-end · transformer · benchmark

satellite

multispectral

Spanning several wavelength ranges

downscaling

Opposites
image quality enhancement

superresolutionlow resolution

Coarse image quality

degradation · downsampling · pixelation · blur · blurring

resolution level

superresolutionlow resolution

Coarse image quality

native resolution · low-res

data processing direction

superresolutiondownscaling

Decreasing in magnitude

downsampling · subsampling · decimation · reduction · compression

Family

super, resolution, resolve, resolute, resolutely, irresolution, irresolute, resolved, resolving

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Used worldwide · Timeless · Abstract · Rated G