Uploaded May 2026 | Updated September 2026, 1 week ago

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In this video, you will learn:
How to use text prompts to generate accurate segmentation masks.
The logic behind targeting specific people in group photos (subject selection).
How to prevent "pixel drift" and image degradation in your 73 stable diffusion workflows.
Techniques for streamlining 66 ai character replacement in 78 comfyui .
If you’re looking to master advanced 65 ai video generation and node-based workflows, make sure to subscribe for weekly breakdowns!

Workflow Download: patreon.com/posts/flux-2-klein-9b-159026605
Patreon: patreon.com/ApexArtist

Timestamps:
0:00 - The Problem: Why manual masking slows you down
0:46 - The Solution: Automatic Text-to-Mask workflow
1:29 - Prompting Logic: How to target specific subjects (left-to-right)
2:18 - Quality Check: Comparing manual vs. automatic results
3:17 - Native SAM 3 support in ComfyUI
3:54 - Workflow Assembly & Final Tips



#comfyui #StableDiffusion #AIArt #SAM3 #Flux1 #AIVideo #ComfyUITutorial