png565.5 KB
Gaussian Noise σ=10 — Base B (512px)
Base B with additive Gaussian noise at σ=10 (seed 7710). Compare against the clean reference in this set to score a denoise filter.
Specifications
- Width
- 512
- Height
- 512
- Noise Type
- gaussian
- Sigma
- 10
- Seed
- 7710
- Reference
- img-noise-b-clean
What is a .png file?
PNG (Portable Network Graphics) is a raster image format using lossless DEFLATE compression. It supports full 8- or 16-bit-per-channel truecolor, palette, and greyscale modes with an optional alpha channel, but no animation. It is the standard choice for screenshots, logos, and graphics with sharp edges or transparency.
How to use this file
Use an example PNG to test image decoders, alpha-compositing, thumbnail generators, and format converters, or to verify that a pipeline preserves transparency and color depth on round-trip.
Related files
- pngDenoise 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.
- pngGaussian Noise σ=10 — Base A (512px)Base A with additive Gaussian noise at σ=10 (seed 4210). Compare against the clean reference in this set to score a denoise filter.
- pngGaussian Noise σ=25 — Base A (512px)Base A with additive Gaussian noise at σ=25 (seed 4225). Compare against the clean reference in this set to score a denoise filter.
- pngGaussian Noise σ=50 — Base A (512px)Base A with additive Gaussian noise at σ=50 (seed 4250). Compare against the clean reference in this set to score a denoise filter.
- pngSalt & Pepper 10% — Base A (512px)Base A with 10% salt-and-pepper noise (seed 42010). A direct fixture for testing median and morphological denoisers against the clean reference.
- pngSalt & Pepper 2% — Base A (512px)Base A with 2% salt-and-pepper noise (seed 42002). A direct fixture for testing median and morphological denoisers against the clean reference.
Generated by generation/images_noise.py. Free for any use, no attribution required — license.