{
  "taskId": "expansion-052",
  "slug": "transparent-object-background-parallax",
  "language": "zh",
  "mode": "image-to-video",
  "modelId": "MiniMax-H3",
  "evidenceClass": "original-practice-method-not-model-tested",
  "input": {
    "path": "/learning-assets/pseo-expansion70-20261014/transparent-object-background-parallax/first-frame.png",
    "editableSource": "/learning-assets/pseo-expansion70-20261014/transparent-object-background-parallax/first-frame.svg",
    "role": "first_frame",
    "sourceType": "original-illustration"
  },
  "intent": {
    "cluster": "Historical camera, reference and image-to-video prompt family",
    "historicalQueries": [
      "minimax h3 image to video reference to video prompt setting only background camera lighting",
      "minimax h3 camera commands",
      "minimax h3 image to video"
    ],
    "evidenceRef": "docs/research/pseo-keyword-gap-2026-10-05/evidence/bing-live-keywords.csv",
    "distinctValue": "A clear empty tumbler remains fixed while a short camera translation changes a striped background inside and outside its silhouette; checks glass rim/base and coherent visible refraction without optical precision claims.",
    "existingOwnerBoundary": [
      {
        "path": "/blog/camera-movement-prompts",
        "difference": "The broad camera page explains translation; this supplied transparent-object fixture compares background movement through the glass and outside it during one small slide."
      },
      {
        "path": "/blog/product-shape-consistency-video",
        "difference": "This task adds internal-background and transparent-wall checks to a particular tumbler input rather than repeating broad product-outline preservation advice."
      },
      {
        "path": "/blog/product-video-shot-list",
        "difference": "This is one transparent-object parallax inspection, not a multi-shot glassware promotion."
      }
    ],
    "demandClass": "historical-parent-query; exact long-tail demand unmeasured"
  },
  "title": "透明物体与背景视差：比较玻璃内外的变化",
  "description": "空玻璃杯固定，摄影机轻微侧移。比较透过玻璃与杯外背景的对应变化，同时核对杯沿和杯底连续性。",
  "goal": "在静止透明物体前描述小幅视角变化，检查背景关系是否连贯。原创图形素材是未实测练习，不是H3光学基准，也不是精确折射仿真。",
  "preparation": [
    "选空、透明且杯沿杯底无遮挡的器皿。配套杯子不加液体、商标或印花，便于读出光学关系。",
    "让简单背景图案与杯子有可见距离。原创输入用宽竖色带，避免细线和文字。",
    "杯外保留同样色带供对照。曲面玻璃中的背景可以位移或畸变，不应要求它与杯外逐像素完全重合。",
    "只规划极短水平侧移，保持杯子落桌和朝向。大范围运动会暴露未知背面，也难区分畸变与生成变化。"
  ],
  "prompt": "从上传的空透明玻璃杯与后方宽竖色带开始。杯子直立固定在台面上。摄影机保持相同高度，缓慢向右横移极短一段。背景色带随视角连贯改变投影关系，杯外和透过透明杯壁看到的色带都属于同一背景；曲面杯壁中的图像可以温和位移、变形，但仍能辨认是原有色带。杯沿、杯底和壁厚保持连贯，不出现液体、磨砂填充或新的内部图案。机位移动结束后停住。灯光固定，杯子不转，不让背景自行流动，不加文字。",
  "steps": [
    {
      "title": "建立杯外参照",
      "body": "先找到杯外一条可见宽色带，以及杯中能看到的色带，在简报中固定其身份。来源应能支持对比，不靠很小的印刷标签。"
    },
    {
      "title": "只让机位移动",
      "body": "要求同高度极短向右平移，杯子和背景在场景中固定，二者投影关系变化只来自视角。"
    },
    {
      "title": "检查经过杯壁的区域",
      "body": "追踪一条色带靠近侧壁时的可见区域。透过玻璃发生位移或畸变可以接受，但不能变成涂在杯内的无关彩色实体。"
    },
    {
      "title": "停住后核对杯沿杯底",
      "body": "结尾同时检查杯口椭圆、下缘、台面接触和背景。杯子变不透明或轮廓变形时，先只缩短机位行程，再考虑照明效果。"
    }
  ],
  "acceptance": [
    "空杯保持直立，并持续接触台面。",
    "杯沿与杯底由连贯透明侧壁连接。",
    "器皿没有自转、滑移或多出液体。",
    "杯外与透过杯身都能辨认原有宽色带。",
    "杯内背景变化与小幅视角变化连贯，允许曲面折射畸变。",
    "杯内没有磨砂填充、涂绘图案或无关新场景。",
    "机位停止后稳定停留，色带不爬动、杯沿不漂移。"
  ],
  "troubleshooting": [
    {
      "symptom": "玻璃被不透明颜色填满",
      "change": "只把材质要求改成空透明杯、透过杯壁仍可见同一背景，保留短侧移。"
    },
    {
      "symptom": "杯内色带独立运动",
      "change": "只把背景职责改成固定场景经杯壁可见，去掉图案动画的措辞。"
    },
    {
      "symptom": "横移时杯沿拉长",
      "change": "只缩短机位行程，再对比同一杯口椭圆和杯底。"
    },
    {
      "symptom": "看不出可读视差",
      "change": "更换杯子与背景层次更清楚、色带更宽的输入，先保留短侧移再考虑增加行程。"
    }
  ],
  "ending": "结尾杯子清透静止，后方色带仍可辨认。保存杯内外成对裁切及杯沿、杯底检查，记录视觉连续性，不声称精确光学重建。",
  "assetCaption": "原创透明杯、宽背景色带与风格化折射插画；这是概念输入，不是玻璃光学测量或H3成片。"
}