EmptyHiDreamO1LatentImage - ComfyUI Built-in Node Documentation - ComfyUI

This node creates an empty latent image in pixel space, specifically designed for the HiDream-O1-Image model. It generates a blank tensor of zeros that serves as the starting point for image generation, with dimensions defined by the width, height, and batch size inputs.

Inputs

Parameter	Description	Data Type	Required	Range
`width`	The width of the latent image in pixels (default: 2048). The model was trained at ~4 megapixels; lower resolutions go off-distribution and quality regresses noticeably.	INT	Yes	64 to 4096 (step: 32)
`height`	The height of the latent image in pixels (default: 2048). The model was trained at ~4 megapixels; lower resolutions go off-distribution and quality regresses noticeably.	INT	Yes	64 to 4096 (step: 32)
`batch_size`	The number of latent images to generate in a single batch (default: 1).	INT	No	1 to 64

Outputs

Output Name	Description	Data Type
`samples`	A tensor filled with zeros representing the empty latent image, with shape (batch_size, 3, height, width).	LATENT

Notes

The HiDream-O1-Image model was trained at approximately 4 megapixels. Using significantly lower resolutions may result in reduced image quality.
Trained resolutions include: 2048x2048, 2304x1728, 1728x2304, 2560x1440, 1440x2560, 2496x1664, 1664x2496, 3104x1312, 1312x3104, 2304x1792, 1792x2304.

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