This is a reference-guided inpainting video application based on LTX 2.3. Users first upload an input video, then upload a reference object image, and enter local replacement prompts. The system generates a mask around a specific area in the video, guides the shape or appearance of the reference object into the corresponding area of the original video, and finally recombines them into a new video. The file includes VHS_LoadVideo, Reference Object, GrowMaskWithBlur, BlockifyMask, ImageCompositeFromMaskBatch+, and ends with VHS_VideoCombine, indicating that this is not a standard image-to-video workflow, but rather a video editing pipeline biased towards "preserving the main structure of the original video while replacing only local objects/regions".
It is particularly suitable for: prop replacement in videos, local object costume changes, product placement modifications, specified area repainting, and changing specific elements in a video to match a reference image style. Its core selling point is not regenerating the entire video, but rather: minimally altering the overall camera work, motion, and pacing of the original video, while replacing or repainting only the specified local area. To improve clarity and stability, you can increase the output resolution; to make local edges more stable, you can adjust the mask block size and video downsampling factor in the advanced settings.
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