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ComfyUI-K3NKImageGrab

5

Last updated
2026-02-23

A tool designed for ComfyUI, this repository provides advanced nodes for managing video workflows by seamlessly blending image sequences for smooth transitions. It is particularly beneficial for users looking to maintain temporal consistency in video processing and is compatible with various video encoding models.

  • Supports intelligent frame blending to create smooth transitions between image sequences.
  • Utilizes a specialized smootherstep interpolation algorithm to eliminate ghosting artifacts during blending.
  • Allows for flexible handling of incomplete sequences and customizable overlap frames for advanced video processing.

Context

This repository features a set of nodes specifically tailored for ComfyUI, focusing on enhancing video workflows and latent management. The primary purpose is to facilitate the blending of image sequences, enabling the creation of continuous video segments without visible cuts, thus improving the overall quality of video outputs.

Key Features & Benefits

The tool includes several practical features that enhance its utility:

  • Intelligent Sequence Detection: Automatically identifies complete sequences and remaining frames, streamlining the video editing process.
  • Smootherstep Blending: This advanced interpolation technique provides a non-linear blending method that significantly reduces ghosting artifacts, ensuring high-quality transitions.
  • Frame Stride Compatibility: The node can effectively manage interpolated sequences, allowing users to skip frames while maintaining smooth transitions.

Advanced Functionalities

The tool offers advanced capabilities such as adaptive blending for incomplete sequences, ensuring that even when the last frames do not form a complete sequence, they are processed correctly. The smootherstep algorithm further enhances blending quality by compensating for micro-variations, especially when using interpolation techniques like RIFE.

Practical Benefits

By integrating this tool into their workflows, users can achieve a more efficient and controlled video production process. The blending of frames not only saves time but also enhances the visual quality of the final output by preventing abrupt transitions and maintaining a consistent flow throughout the video.

Credits/Acknowledgments

This tool was developed to enhance ComfyUI video workflows and is designed to work in conjunction with other tools such as WanVideoWrapper, FramePackWrapper, and RIFE interpolation. The project is licensed under the MIT License, allowing for free use and modification.

Inner Nodes

K3NKFindNearestBucket, K3NKImageGrab, K3NKImageLoaderWithBlending, K3NKSaveLatentPassThrought