### Redux Background and Character Replacement Process

### I. Workflow Process Description:

1. Extract the Character: the character from the original background.
2. Position the Character: Place the extracted character proportionally onto the designated masked area.

Next, perform depth redrawing on the pre-composited image:
3. Load the Flux Depth Model: Access the model necessary for depth processing.
4. Extract the Depth Map: Create and consolidate the depth map of the composited image for redrawing.
5. Generate the Redrawing Prompt: Derive a prompt that will guide the redrawing process.
6. Control Facial Features: Adjust the character's facial features using Pulid.
7. Apply Redux to the Background: Integrate Redux effects on the background.
8. Apply Redux to the Character: Apply Redux effects to the character.
9. Sample and Generate Final Image: Produce the final image based on the adjustments made.

### II. Usage Instructions:
1. Upload Character Image: Ensure the character image is clear and complete, particularly focusing on a large facial region.
2. Upload Background Image: Add the desired background in the designated area.
3. Paint a Mask on the Background: Simply paint a mask up and down; the left and right areas will adjust automatically.

### III. Parameter Adjustment Instructions:
1. Adjust Facial Similarity: Change the weight of Pulid to modify the similarity of the character's face.
2. Adjust Background Similarity: Alter the `downsampling_factor` in the Redux background area; a value of 1 represents the strongest and most similar effect, while a value of 3 indicates the weakest effect with the greatest change.
3. Adjust Other Character Areas: Modify the `downsampling_factor` in the Redux character area similarly; again, a setting of 1 is the strongest and most similar, while 3 is the weakest.

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