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MultiResolutionAnalysis

oxiphysics_core::wavelets

Struct MultiResolutionAnalysis 

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pub struct MultiResolutionAnalysis;
Expand description

Multi-resolution analysis (MRA) using the Haar wavelet.

Provides approximate and detail coefficients at any decomposition level, and signal reconstruction from a chosen level.

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impl MultiResolutionAnalysis

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pub fn approximate_coefficients(signal: &[f64], level: usize) -> Vec<f64>

Extract the approximation coefficients at decomposition level.

Applies level forward Haar transforms, returning the coarsest approximation vector.

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pub fn detail_coefficients(signal: &[f64], level: usize) -> Vec<f64>

Extract the detail coefficients at decomposition level.

Applies level - 1 forward Haar transforms and returns the detail coefficients from the final step.

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pub fn reconstruct_from_level(approx: &[f64], details: &[Vec<f64>]) -> Vec<f64>

Reconstruct a signal from its approximation and a list of detail arrays.

details should be ordered from coarsest (index 0) to finest.

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