Super Resolution GAN API
Improve visual presentation while keeping inferred detail distinct from observed information.
Choose enhancement or faithful interpretation
Define the intended use of the enlarged output before comparing methods. A decorative illustration and a factual inspection task have different acceptance rules. Do not let a sharper appearance imply that previously missing detail has been established as true.
The linked guide uses ESRGAN research to explain perceptual enhancement and artifact concerns. Keep the source file and compare it with a suitable simple resizing baseline. Evaluate the actual degradation patterns and content expected from callers.
Bound the processing path
Validate decoded dimensions, scale, color handling, transparency, and orientation before allocating work. State whether the workflow uses whole-image processing or tiles. If tiles are used, test overlap, blending, seams, edges, and structures that cross boundaries.
Version preprocessing and tiling settings alongside the model. Include original and delivered dimensions, scale, configuration, and checksums in the manifest. Keep the source and generated result separately identifiable throughout delivery and review.
Review fidelity where it matters
Use appropriate reference-based tests when valid targets exist, and a different protocol for real inputs without ground truth. Review small text, repeated geometry, and critical details directly. Visual preference cannot establish exact recovery of unknown content.
For consequential interpretation, require evidence and review appropriate to that application. Measure cost and latency over decoding, generation, assembly, encoding, and delivery, with rejected outputs included in practical planning.
Limits
Decoded area, scale, and supported formats.
Fidelity
Critical details compared with the source.
Delivery
A distinct artifact with processing history.
Questions for this workflow
Does upscaling recover the exact missing detail?
Do not assume it does. Generated texture may be plausible without matching the original scene. Keep inferred detail distinguishable from observed evidence.
Why test tiling separately?
Patch assembly can introduce seams or inconsistent texture that isolated crops do not reveal. Evaluate the actual large-image processing path.
Super Resolution: Better-Looking Is Not Always More Faithful
Evaluate upscaling with honest baselines, realistic inputs, artifact review, and a clear distinction between inferred and observed detail.
Read the complete guide