{ "meta": { "image_quality": "高质量", "image_type": "数字合成 / 平面设计", "resolution_estimation": "高分辨率竖版海报格式", "file_characteristics": { "compression_artifacts": "低压缩伪影", "noise_level": "低噪点（照片纹理中可见电影胶片颗粒感）" } } }