PPolySim OS
Data & Statistics Pack · Multi-Solver

Image Processing Chain

Convolve & transform. This multi-solver chains 2 solvers into a single guided workflow — run each step in order and carry the result forward.

Workflow steps
  1. convolution
  2. fft
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Image Convolution / KernelsLive

Controls

Presets

3×3 kernel
-1
-1
-1
-1
8
-1
-1
-1
-1

Each output pixel is a weighted sum of its 3×3 neighborhood. Slide this kernel over an image and you get blur, sharpening, or edge maps — the exact operation a convolutional neural network learns.

▶ Run in Python

Data Inspector

KernelEdge detect
Window3×3
Smoothing sigma0.4
Sum0.00

Governing equation

Reading this result: Convolution slides the 3-tap kernel over the image; each output pixel is a weighted sum of its 3×3 neighbors. At sigma ≈ 0.4 the weights stay tightly concentrated, so edges and fine detail survive and high-frequency structure is preserved.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

Fourier Transform (FFT)Live

Controls

Build a signal from a few sine tones plus noise, and the discrete Fourier transform recovers exactly which frequencies are present — the foundation of all signal processing.

Presets

▶ Run in Python

Data Inspector

Samples256
Peaks at4, 9
TransformDFT

Governing equation

Reading this result: The FFT splits this 2-tone signal into bins: each input sinusoid at 4, 9 appears as a distinct spike, and with noise at 0 the baseline between them stays clean.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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More in the Data & Statistics pack

Frequently asked questions

What is the Image Processing Chain multi-solver?
Image Processing Chain is a guided workflow that chains 2 individual PolySim solvers into one end-to-end analysis, piping each result into the next step.
Is it free to use?
Yes. Every step runs entirely in your browser using real numerics — no install, no account, no cloud cost. Custom or private solver packs are available as a paid service.