Upscale（放大高清）

以下内容来自 Apifox 快照，可能包含兼容层字段或旧示例；公开调用请以本页的协议说明和当前模型列表为准。

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        "image_fidelity": {
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        "n": {
          "description": "生成图片的数量，可选，取值范围：1-9",
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        "aspect_ratio": {
          "description": "生成图片的纵横比，可选，可选值：16:9, 9:16, 1:1, 4:3, 3:4, 3:2, 2:3",
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  "createdAt": "2026-08-02T03:53:34.000Z",
  "updatedAt": "2026-08-06T12:15:55.000Z",
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