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Adding support for inverse sigmoid interpolation

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This commit is contained in:
Bernard Maltais 2022-09-28 08:52:46 -04:00
parent c3bcc7e9fc
commit fe2f0e1729
2 changed files with 8 additions and 1 deletions
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7
modules/extras.py
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@ -150,6 +150,12 @@ def run_modelmerger(primary_model_name, secondary_model_name, interp_method, int
alpha = alpha * alpha * (3 - (2 * alpha)) alpha = alpha * alpha * (3 - (2 * alpha))
return theta0 + ((theta1 - theta0) * alpha) return theta0 + ((theta1 - theta0) * alpha)
# Inverse Smoothstep (https://en.wikipedia.org/wiki/Smoothstep)
def inv_sigmoid(theta0, theta1, alpha):
import math
alpha = 0.5 - math.sin(math.asin(1.0 - 2.0 * alpha) / 3.0)
return theta0 + ((theta1 - theta0) * alpha)
if os.path.exists(primary_model_name): if os.path.exists(primary_model_name):
primary_model_filename = primary_model_name primary_model_filename = primary_model_name
primary_model_name = os.path.splitext(os.path.basename(primary_model_name))[0] primary_model_name = os.path.splitext(os.path.basename(primary_model_name))[0]
@ -174,6 +180,7 @@ def run_modelmerger(primary_model_name, secondary_model_name, interp_method, int
theta_funcs = { theta_funcs = {
"Weighted Sum": weighted_sum, "Weighted Sum": weighted_sum,
"Sigmoid": sigmoid, "Sigmoid": sigmoid,
"Inverse Sigmoid": inv_sigmoid
} }
theta_func = theta_funcs[interp_method] theta_func = theta_funcs[interp_method]

2
modules/ui.py
View File

@ -864,7 +864,7 @@ def create_ui(txt2img, img2img, run_extras, run_pnginfo, run_modelmerger):
primary_model_name = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_primary_model_name", label="Primary Model Name") primary_model_name = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_primary_model_name", label="Primary Model Name")
secondary_model_name = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_secondary_model_name", label="Secondary Model Name") secondary_model_name = gr.Dropdown(ckpt_name_list, elem_id="modelmerger_secondary_model_name", label="Secondary Model Name")
interp_amount = gr.Slider(minimum=0.0, maximum=1.0, step=0.05, label='Interpolation Amount', value=0.3) interp_amount = gr.Slider(minimum=0.0, maximum=1.0, step=0.05, label='Interpolation Amount', value=0.3)
interp_method = gr.Radio(choices=["Weighted Sum", "Sigmoid"], value="Weighted Sum", label="Interpolation Method") interp_method = gr.Radio(choices=["Weighted Sum", "Sigmoid", "Inverse Sigmoid"], value="Weighted Sum", label="Interpolation Method")
submit = gr.Button(elem_id="modelmerger_merge", label="Merge", variant='primary') submit = gr.Button(elem_id="modelmerger_merge", label="Merge", variant='primary')
with gr.Column(variant='panel'): with gr.Column(variant='panel'):