Image-based Digital Human Production Guide

This document describes how to create compliant image-based digital human assets.

Image Asset Production

It is recommended to use a camera to shoot or use software to generate image assets.

Real Person (Photo)	Semi-Realistic (AI-generated)	3D Anime	3D Cartoon	2D Anime

Please refer to the following requirements when creating image assets:

Category	Description
Image Size	Recommended 16:9 portrait (or 9:16 ratio), clear face, resolution required to be 4K (not lower than 720P) Color photos required, black and white not supported
Character Angle & Ratio	Frontal face and body recommended, side face should be within 30° of the screen angle Half-body or full-body photos supported (preferably upper body 1/2 ~ 2/3, character centered with no other obstructions)
Character Style	Supports real person images Clear facial features, clear or three-dimensional 2D anime style
Character Pose & Expression	Natural standing/sitting, avoid large movements such as raising hands, bending arms, or bending waist Natural expression, avoid exaggerated expressions (such as laughing, frowning, etc.) Mouth closed, no visible teeth
Character Detail Requirements	Facial features must not be obscured No hats, exaggerated hair accessories, or items/accessories that increase head height; avoid excessive stray hair No obstructions or other accessories (such as earrings, stray hair, hands, etc.) near the face and neck
Background	Solid color background is preferred Clear distinction between background and character Transparent backgrounds are not supported
Compliance Requirements	No excessive skin exposure

To ensure the digital human's appearance meets expectations, it is recommended that the person in the image follows these guidelines:

For action-required scenarios: It is recommended to show the upper body from the hips and above, with both arms naturally hanging down.

For non-action-required scenarios: It is acceptable to show only the upper body from the chest and above.