KarrasScheduler
Documentation
- Class name:
KarrasScheduler - Category:
sampling/custom_sampling/schedulers - Output node:
False
The KarrasScheduler node is designed to generate a sequence of noise levels (sigmas) based on the Karras et al. (2022) noise schedule. This scheduler is useful for controlling the diffusion process in generative models, allowing for fine-tuned adjustments to the noise levels applied at each step of the generation process.
Input types
| Parameter | Comfy dtype | Description |
|---|---|---|
steps | INT | Specifies the number of steps in the noise schedule, affecting the granularity of the generated sigmas sequence. |
sigma_max | FLOAT | The maximum sigma value in the noise schedule, setting the upper bound of noise levels. |
sigma_min | FLOAT | The minimum sigma value in the noise schedule, setting the lower bound of noise levels. |
rho | FLOAT | A parameter that controls the shape of the noise schedule curve, influencing how noise levels progress from sigma_min to sigma_max. |
Output types
| Parameter | Comfy dtype | Description |
|---|---|---|
sigmas | SIGMAS | The generated sequence of noise levels (sigmas) following the Karras et al. (2022) noise schedule. |