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Matting — Soft Edge Blob Soft Alpha (288px)

Soft-alpha cut-out (soft edges: soft-edge-blob) for alpha-matting / background-removal quality tests.

File: PNG · Matting Set · 288 × 288 px
Use case: Image mattingComputer vision· Paired fixture

Matting — Wispy Top Clean RGB (288px)

Clean RGB composite of the wispy-top soft-alpha subject on a neutral grey — paired input for matte extractors.

File: PNG · Matting Set · 288 × 288 px
Use case: Image matting· Paired fixture

Matting — Wispy Top Soft Alpha (288px)

Soft-alpha cut-out (hair edges: wispy-top) for alpha-matting / background-removal quality tests.

File: PNG · Matting Set · 288 × 288 px
Use case: Image mattingComputer vision· Paired fixture

Mesh Fence Hard Case — Cut-out (512px)

Ground-truth mesh cut-out with transparent holes.

File: PNG · Background Removal · 512 × 512 px
Use case: Background removal· Conversion set

Mesh Fence Hard Case — Input (512px)

Chain-link / mesh with interior holes — tests whether a removers keeps background visible through the grid.

File: PNG · Background Removal · 512 × 512 px
Use case: Background removal· Conversion set

Mesh Fence Hard Case — Mask (512px)

Binary mask for the mesh-fence hard case.

File: PNG · Background Removal · 512 × 512 px
Use case: Background removal· Conversion set

Multipage Scene TIFF (3 pages)

Three-page TIFF of synthetic scenes — fixture for multipage TIFF loaders and page extractors.

File: TIFF · Multipage Sprite · 288 × 288 px
Use case: Conversion testingComputer vision· Conversion set

OCR Hard — Dotted Code

Hard OCR case (dotted): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Dotted Serial

Hard OCR case (dotted): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Low Contrast

Hard OCR case (low-contrast): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Low Label

Hard OCR case (low-contrast): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Low Receipt

Hard OCR case (low-contrast): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Skew Address

Hard OCR case (skew): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Skew Date

Hard OCR case (skew): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard — Skew Invoice

Hard OCR case (skew): SAMPLE text rendered with challenging conditions. Pair with the .txt ground truth.

File: PNG · OCR Hard
Use case: OCR testingComputer vision· Paired fixture

OCR Hard GT — Dotted Code

Exact ground-truth string for the dotted-code OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Dotted Serial

Exact ground-truth string for the dotted-serial OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Low Contrast

Exact ground-truth string for the low-contrast OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Low Label

Exact ground-truth string for the low-label OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Low Receipt

Exact ground-truth string for the low-receipt OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Skew Address

Exact ground-truth string for the skew-address OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Skew Date

Exact ground-truth string for the skew-date OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

OCR Hard GT — Skew Invoice

Exact ground-truth string for the skew-invoice OCR hard case.

File: TXT · OCR Hard
Use case: OCR testing· Paired fixture

Outpaint Full Reference — 128px Border Suite (512px)

Full-frame plant scene used as the target for outpainting tests with a 128px empty border input.

File: PNG · Outpaint Borders · 512 × 512 px
Use case: OutpaintingImage pipeline QA· Conversion set