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Find files, editable templates and browser test targets by what you need to make or test. The directory below is cut by format; the two collections under it cut the same library by subject and by workflow.

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Deblur Motion H: Base B (512px)

Base B with motion-h blur. Score a deblur tool against the clean reference in this group.

File: PNG · Deblur Set · 512 × 512 px
Use case: Deblur testingImage pipeline QA· Conversion set

Deblur Motion V: Base A (512px)

Base A with motion-v blur. Score a deblur tool against the clean reference in this group.

File: PNG · Deblur Set · 512 × 512 px
Use case: Deblur testingImage pipeline QA· Conversion set

Deblur Motion V: Base B (512px)

Base B with motion-v blur. Score a deblur tool against the clean reference in this group.

File: PNG · Deblur Set · 512 × 512 px
Use case: Deblur testingImage pipeline QA· Conversion set

Deblur Shake: Base A (512px)

Base A with shake blur. Score a deblur tool against the clean reference in this group.

File: PNG · Deblur Set · 512 × 512 px
Use case: Deblur testingImage pipeline QA· Conversion set

Deblur Shake: Base B (512px)

Base B with shake blur. Score a deblur tool against the clean reference in this group.

File: PNG · Deblur Set · 512 × 512 px
Use case: Deblur testingImage pipeline QA· Conversion set

delivery (gaussian blur)

A delivery typeset over a synthetic photographic background, gaussian blur. Softened by a recorded Gaussian radius, which is what an out-of-focus capture looks like. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

delivery (low contrast)

A delivery typeset over a synthetic photographic background, low contrast. Gain and offset applied so the text sits close to the ground, which is where thresholding fails. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

delivery (rotated -7 degrees)

A delivery typeset over a synthetic photographic background, rotated -7 degrees. Rotated, with every word box rotated with it, so skew correction can be scored rather than eyeballed. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

delivery (rotated +3 degrees)

A delivery typeset over a synthetic photographic background, rotated +3 degrees. A slight skew of the kind a phone photo of a docket actually has. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

delivery (sensor noise)

A delivery typeset over a synthetic photographic background, sensor noise. Additive noise at a recorded sigma, as a dim-light capture would carry. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

delivery (undistorted)

A delivery typeset over a synthetic photographic background, undistorted. Straight-on and undamaged, the baseline every other variant in this group is measured against. 29 words, each with an exact bounding box in the companion JSON.

File: PNG · OCR
Use case: OCR testing· Conversion set

Denoise Base A: Clean Reference (512px)

The clean reference image for denoise base A: a fruit still life on studio white. Diff the noisy variants in this set against this file to measure filter accuracy.

File: PNG · Denoise Set · 512 × 512 px
Use case: Denoise testingImage pipeline QA· Conversion set

Denoise Base B: Clean Reference (512px)

The clean reference image for denoise base B: a coffee mug on studio white. Diff the noisy variants in this set against this file to measure filter accuracy.

File: PNG · Denoise Set · 512 × 512 px
Use case: Denoise testingImage pipeline QA· Conversion set

Diff Regression A: 1Px Crop (288px)

Baseline twin A for visual-diff regression (pixel change suite: 1px-crop). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: 1Px Shift (288px)

Baseline twin A for visual-diff regression (pixel change suite: 1px-shift). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Button Add (288px)

Baseline twin A for visual-diff regression (button change suite: button-add). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Button Label (288px)

Baseline twin A for visual-diff regression (button change suite: button-label). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Colour Tint (288px)

Baseline twin A for visual-diff regression (colour change suite: colour-tint). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Corner Badge (288px)

Baseline twin A for visual-diff regression (button change suite: corner-badge). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Dot Noise (288px)

Baseline twin A for visual-diff regression (pixel change suite: dot-noise). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression A: Hue Shift (288px)

Baseline twin A for visual-diff regression (colour change suite: hue-shift). Compare against twin B.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression B: 1Px Crop (288px)

Changed twin B for visual-diff regression (pixel: 1px-crop). Expect a non-zero pixel / perceptual diff vs A.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression B: 1Px Shift (288px)

Changed twin B for visual-diff regression (pixel: 1px-shift). Expect a non-zero pixel / perceptual diff vs A.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture

Diff Regression B: Button Add (288px)

Changed twin B for visual-diff regression (button: button-add). Expect a non-zero pixel / perceptual diff vs A.

File: PNG · Diff Regression · 288 × 288 px
Use case: Visual diff / regression· Paired fixture