How to test a colourization model with ground-truth pairs
Use Novus greyscale and sepia inputs against true-colour references to score colourization models with reproducible seeds.
Novus Examples · Guide · Intermediate · v2026.08
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Reproducible test recipes, browser creation workflows, and practical ways to validate real files.
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How to Test a Photo Restoration Tool
Use paired clean, damaged, and mask fixtures to score restoration, inpainting, and damage-repair pipelines against ground truth.
Novus Examples · Guide · Intermediate · v2026.08
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How to test watermark removal with synthetic SAMPLE marks
Score watermark removers using clean references, synthetic SAMPLE overlays, and masks — without real brand logos.
Novus Examples · Guide · Intermediate · v2026.08
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Visual Diff Regression With A/B Image Twins
Calibrate pixel and perceptual diffs against documented A/B twins — 1px shifts, chrome adds, and colour tints with known change kinds.
Novus Examples · Guide · Intermediate · v2026.08
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How to Test a Monocular Depth-Estimation Model
Measure a depth model against a known depth map — with scale-invariant metrics, edge-aware checks, and reproducible fixtures.
Novus Examples · Guide · Advanced · v2026.08
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Testing Image Segmentation with Ground-Truth Masks
Score a segmentation model with IoU, boundary F1, and instance matching against masks that come from the exact image you segment.
Novus Examples · Guide · Advanced · v2026.08
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Testing Structure-Conditioned Image Generation with Ground-Truth Maps
How to test ControlNet-style conditioning — Canny, depth, normal, scribble, segmentation, and pose — against a colour image the maps were derived from.
Novus Examples · Guide · Advanced · v2026.08
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How to Properly Test a Denoise Filter
A repeatable way to measure denoise quality using noisy images paired with their exact clean reference.
Novus Examples · Guide · Intermediate · v2026.08
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Image Format and Conversion Testing, Done Right
Use one source exported across formats — plus a JPEG quality ladder — to test converters and compression.
Novus Examples · Guide · Intermediate · v2026.08
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