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NoiseScheduler

oxirs_embed::diffusion_embeddings

Struct NoiseScheduler 

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pub struct NoiseScheduler {
Show 13 fields
    pub betas: Array1<f64>,
    pub alphas: Array1<f64>,
    pub alphas_cumprod: Array1<f64>,
    pub alphas_cumprod_prev: Array1<f64>,
    pub sqrt_alphas_cumprod: Array1<f64>,
    pub sqrt_one_minus_alphas_cumprod: Array1<f64>,
    pub log_one_minus_alphas_cumprod: Array1<f64>,
    pub sqrt_recip_alphas_cumprod: Array1<f64>,
    pub sqrt_recipm1_alphas_cumprod: Array1<f64>,
    pub posterior_variance: Array1<f64>,
    pub posterior_log_variance: Array1<f64>,
    pub posterior_mean_coef1: Array1<f64>,
    pub posterior_mean_coef2: Array1<f64>,

}
Expand description

Noise scheduler for diffusion process

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§betas: Array1<f64>§alphas: Array1<f64>§alphas_cumprod: Array1<f64>§alphas_cumprod_prev: Array1<f64>§sqrt_alphas_cumprod: Array1<f64>§sqrt_one_minus_alphas_cumprod: Array1<f64>§log_one_minus_alphas_cumprod: Array1<f64>§sqrt_recip_alphas_cumprod: Array1<f64>§sqrt_recipm1_alphas_cumprod: Array1<f64>§posterior_variance: Array1<f64>§posterior_log_variance: Array1<f64>§posterior_mean_coef1: Array1<f64>§posterior_mean_coef2: Array1<f64>

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impl NoiseScheduler

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pub fn new(config: &DiffusionConfig) -> Self

Create a new noise scheduler

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pub fn add_noise( &self, x_start: &Array2<f64>, noise: &Array2<f64>, timestep: usize, ) -> Array2<f64>

Add noise to sample at timestep t

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pub fn step( &self, model_output: &Array2<f64>, timestep: usize, sample: &Array2<f64>, generator: &mut Random, ) -> Array2<f64>

Sample previous timestep

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impl Clone for NoiseScheduler

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fn clone(&self) -> NoiseScheduler

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NoiseScheduler

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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