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Add extra noise param for img2img operations #12564

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Aug 15, 2023
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Add extra noise param for img2img operations #12564

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4 changes: 4 additions & 0 deletions modules/sd_samplers_kdiffusion.py
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Expand Up @@ -145,6 +145,10 @@ def sample_img2img(self, p, x, noise, conditioning, unconditional_conditioning,

xi = x + noise * sigma_sched[0]

if opts.img2img_extra_noise > 0:
p.extra_generation_params["Extra noise"] = opts.img2img_extra_noise
xi += noise * opts.img2img_extra_noise

extra_params_kwargs = self.initialize(p)
parameters = inspect.signature(self.func).parameters

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4 changes: 4 additions & 0 deletions modules/sd_samplers_timesteps.py
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Expand Up @@ -103,6 +103,10 @@ def sample_img2img(self, p, x, noise, conditioning, unconditional_conditioning,

xi = x * sqrt_alpha_cumprod + noise * sqrt_one_minus_alpha_cumprod

if opts.img2img_extra_noise > 0:
p.extra_generation_params["Extra noise"] = opts.img2img_extra_noise
xi += noise * opts.img2img_extra_noise * sqrt_alpha_cumprod

extra_params_kwargs = self.initialize(p)
parameters = inspect.signature(self.func).parameters

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3 changes: 2 additions & 1 deletion modules/shared_options.py
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Expand Up @@ -166,7 +166,8 @@

options_templates.update(options_section(('img2img', "img2img"), {
"inpainting_mask_weight": OptionInfo(1.0, "Inpainting conditioning mask strength", gr.Slider, {"minimum": 0.0, "maximum": 1.0, "step": 0.01}, infotext='Conditional mask weight'),
"initial_noise_multiplier": OptionInfo(1.0, "Noise multiplier for img2img", gr.Slider, {"minimum": 0.5, "maximum": 1.5, "step": 0.01}, infotext='Noise multiplier'),
"initial_noise_multiplier": OptionInfo(1.0, "Noise multiplier for img2img", gr.Slider, {"minimum": 0.0, "maximum": 1.5, "step": 0.001}, infotext='Noise multiplier'),
"img2img_extra_noise": OptionInfo(0.0, "Extra noise multiplier for img2img and hires fix", gr.Slider, {"minimum": 0.0, "maximum": 1.0, "step": 0.01}, infotext='Extra noise').info("0 = disabled (default); should be lower than denoising strength"),
"img2img_color_correction": OptionInfo(False, "Apply color correction to img2img results to match original colors."),
"img2img_fix_steps": OptionInfo(False, "With img2img, do exactly the amount of steps the slider specifies.").info("normally you'd do less with less denoising"),
"img2img_background_color": OptionInfo("#ffffff", "With img2img, fill transparent parts of the input image with this color.", ui_components.FormColorPicker, {}),
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2 changes: 2 additions & 0 deletions scripts/xyz_grid.py
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Expand Up @@ -241,6 +241,8 @@ def __init__(self, *args, **kwargs):
AxisOption("Eta", float, apply_field("eta")),
AxisOption("Clip skip", int, apply_clip_skip),
AxisOption("Denoising", float, apply_field("denoising_strength")),
AxisOption("Initial noise multiplier", float, apply_field("initial_noise_multiplier")),
AxisOption("Extra noise", float, apply_override("img2img_extra_noise")),
AxisOptionTxt2Img("Hires upscaler", str, apply_field("hr_upscaler"), choices=lambda: [*shared.latent_upscale_modes, *[x.name for x in shared.sd_upscalers]]),
AxisOptionImg2Img("Cond. Image Mask Weight", float, apply_field("inpainting_mask_weight")),
AxisOption("VAE", str, apply_vae, cost=0.7, choices=lambda: ['None'] + list(sd_vae.vae_dict)),
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