ImageDeduplication - ComfyUI Built-in Node Documentation

This node removes duplicate or very similar images from a batch. It works by creating a perceptual hash for each image—a simple numerical fingerprint based on its visual content—and then comparing them. Images whose hashes are more similar than a set threshold are considered duplicates and filtered out.

Inputs

Parameter	Description	Data Type	Required	Range
`images`	The batch of images to process for deduplication.	IMAGE	Yes	-
`similarity_threshold`	Similarity threshold (0-1). Higher means more similar. Images above this threshold are considered duplicates. (default: 0.95)	FLOAT	No	0.0 - 1.0

Outputs

Output Name	Description	Data Type
`images`	The filtered list of images with duplicates removed.	IMAGE

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ImageFromBatch - ComfyUI Built-in Node Documentation

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