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use configured alpha/beta values in Beta scheduling

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v0xie 2024-07-19 14:08:44 -07:00
parent 3a5a66775c
commit f6f055a93d
1 changed files with 2 additions and 2 deletions
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4
modules/sd_schedulers.py
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@ -118,8 +118,8 @@ def ddim_scheduler(n, sigma_min, sigma_max, inner_model, device):
def beta_scheduler(n, sigma_min, sigma_max, inner_model, device):
# From "Beta Sampling is All You Need" [arXiv:2407.12173] (Lee et. al, 2024) """
alpha = 0.6
beta = 0.6
alpha = shared.opts.beta_dist_alpha
beta = shared.opts.beta_dist_beta
timesteps = 1 - np.linspace(0, 1, n)
timesteps = [stats.beta.ppf(x, alpha, beta) for x in timesteps]
sigmas = [sigma_min + (x * (sigma_max-sigma_min)) for x in timesteps]