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级<br>中等密度|强光下可部分看到头皮，但头发仍有一定蓬松度与覆盖度。发丝偏细，整体还算健康。|\n|![](https://d3ss46vukfdtpo.cloudfront.net/static/media/dt_classification_LV04.e467f2aa.png)|第 4 级<br>高密度|头发饱满浓密，几乎看不到头皮。发丝排列紧密，蓬松充足、覆盖自然。|\n\n\n* 拍摄建议\n\n![Suggestions for How to Shoot](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/icon_S2_step1_20d0a161da.png \"Suggestions for How to Shoot\")\n\n![](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/AI_hair_density_S1_02_f60369b14d.jpg)\n\n## 文件规格与错误码\n* 支持的格式与尺寸\n\n|类型|支持尺寸|支持文件大小|支持格式|\n|  ----  | ----  | ----  | ----  |\n|AI 发密度检测|图片宽高至少 100 像素，任一维度不超过 4096 像素。若某一边超过 1080 像素，会自动缩放到该上限以内进行分析。|< 10MB|jpg/png|\n\n* 错误码\n\n|错误码|说明|\n|  ----  | ----  |\n|error_below_min_image_size|图片宽或高小于 100 像素，尺寸过小，无法使用|\n|error_face_position_invalid|脸部需完整可见，不能被裁掉一部分|\n|error_face_position_too_small|照片中的人脸过小，无法准确分析|\n|error_face_position_out_of_boundary|脸部过大，或部分超出照片边缘|\n|error_insufficient_lighting|光线太暗，分析起来很困难|\n|error_face_angle_invalid|脸部角度不太对。正脸拍摄时，头部偏离正向请在 10 度以内；侧脸拍摄时，角度应大于 15 度|\n\n* 运行环境与依赖\n\n| 示例代码语言 / 工具 | 建议运行时版本 |\n|---|---|\n| cURL | - bash >= 3.2</br>   - curl >= 7.58 (modern TLS/HTTP support)</br>   - jq >= 1.6 (robust JSON parsing) |\n| Node.js (JavaScript) | Node >= 18 (for global fetch) |\n| JavaScript | - Chrome / Edge >= 80</br>   - Firefox >= 74</br>   - Safari >= 13.1 |\n| PHP | PHP >= 7.4 (for modern TLS/compat), ext-curl (recommended) or allow_url_fopen=On + ext-openssl, ext-json |\n| Python | Python >= 3.10 (for f-strings), requests >= 2.20.0 |\n| Java | Java 11+ (for HttpClient), Jackson Databind >= 2.12.0 |\n\n---\n\n## JS Camera Kit\n{% partial file=\"/_partials/js-camera-kit.md\" /%}\n\n---\n\n## 点数消耗\n\n| AI 功能 | 消耗点数 |\n|---|---|\n| AI 发密度检测 V1.0 | 1 |\n\n---\n"}},"baseSlug":"/zh-cn/reference/ai_hair_density_detection","routesMapping":{}}