# Structure Tool

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The **Structure** tool in Aperty is Human-Aware. It is designed to intelligently recognize and enhance different parts of a human portrait while ensuring skin remains smooth and natural. This feature prevents over-sharpening or exaggerating skin texture, focusing enhancements where they matter most, like eyes, lips, and hair, while maintaining a flattering softness on the skin.

* **Amount**: Adjusts the overall sharpness and clarity of the portrait, but with the human-aware technology, it avoids applying too much detail to the skin. Increasing the Amount will bring out fine details in areas like the eyes, hair, and other facial features while keeping the skin soft and natural. Decreasing the Amount will further smooth the skin and soften textures across the portrait.
  * **High Amount**: Enhances key facial features like the eyes and hair without harshly sharpening the skin, preserving its smoothness.
  * **Low Amount**: Softens overall texture, especially on the skin, reducing the prominence of fine lines and pores for a more polished, flattering look.
* **Boost**: Selectively enhances areas with more texture or contrast, such as the eyes, eyebrows, and hair, without affecting smooth regions like the skin. Boost intensifies the sharpening in these detailed areas, making them more prominent while avoiding unwanted emphasis on skin texture.
  * **High Boost**: Adds extra sharpness to detailed regions like eyes and hair, making them stand out without affecting softer areas like cheeks or forehead.
  * **Low Boost**: Subtly enhances facial features for a natural and balanced look without introducing any harshness to the skin.

{% hint style="info" %}
Since the Structure tool is human-aware, increase the sharpening of facial details while trusting the tool to keep the skin smooth and flattering. Combine this with a medium Boost to bring attention to the eyes and hair, creating a dynamic yet natural portrait
{% endhint %}
