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---
description: "使用 GFPGAN 與 CodeFormer AI 模型修復並銳化圖片中模糊或低品質的臉部。"
i18n_source_hash: 7f9f6af8ebda
i18n_provenance: human
i18n_output_hash: fc67e4f3ddbd
---
# 臉部增強 {#face-enhancement}
使用 AI 模型(GFPGAN/CodeFormer)修復並增強圖片中的臉部。
## API 端點 {#api-endpoint}
`POST /api/v1/tools/image/enhance-faces`
**處理方式:** 非同步(回傳 202,透過 SSE 輪詢 `/api/v1/jobs/{jobId}/progress` 取得狀態)
**模型套件:** `upscale-enhance`5-6 GB)與 `face-detection`200-300 MB
## 參數 {#parameters}
| 參數 | 類型 | 必填 | 預設值 | 說明 |
|-----------|------|----------|---------|-------------|
| file | file | 是 | - | 圖片檔案(multipart |
| model | string | 否 | `"auto"` | 要使用的模型:`auto``gfpgan``codeformer` |
| strength | number | 否 | `0.8` | 增強強度(0-1)。數值越高,增強效果越強 |
| onlyCenterFace | boolean | 否 | `false` | 僅增強最居中/最顯著的臉部 |
| sensitivity | number | 否 | `0.5` | 臉部偵測靈敏度(0-1 |
## 範例請求 {#example-request}
```bash
curl -X POST http://localhost:1349/api/v1/tools/image/enhance-faces \
-F "file=@portrait.jpg" \
-F 'settings={"model":"codeformer","strength":0.7,"onlyCenterFace":false}'
```
## 回應 {#response}
### 初始回應(202 Accepted {#initial-response-202-accepted}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"async": true
}
```
### 進度(SSE,位於 `/api/v1/jobs/{jobId}/progress` {#progress-sse-at-api-v1-jobs-jobid-progress}
```
event: progress
data: {"phase":"processing","stage":"Enhancing faces...","percent":60}
```
### 最終結果(透過 SSE {#final-result-via-sse}
```json
{
"phase": "complete",
"percent": 100,
"result": {
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/{jobId}/portrait_enhanced.png",
"previewUrl": "/api/v1/download/{jobId}/preview.webp",
"originalSize": 350000,
"processedSize": 600000,
"facesDetected": 2,
"faces": [
{"x": 120, "y": 80, "w": 100, "h": 100},
{"x": 350, "y": 90, "w": 95, "h": 95}
],
"model": "codeformer"
}
}
```
## 備註 {#notes}
- 同時需要 `upscale-enhance` 模型套件(5-6 GB)與 `face-detection` 模型套件(200-300 MB)。
- GFPGAN 產生較激進的增強;CodeFormer 較能保留身分特徵。`auto` 會為輸入選擇最合適的模型。
- 輸出一律為 PNG 格式以達到最高品質。
- 會在全解析度輸出旁一併產生 WebP 預覽,以加快前端顯示。
- `strength` 參數會將增強後的臉部與原圖混合。使用較低數值(0.3-0.5)以獲得細微改善,較高數值(0.7-1.0)以獲得更強的修復。
- 透過自動解碼支援 HEIC/HEIF、RAW、TGA、PSD、EXR 與 HDR 輸入格式。