docs: full demo script with narration (10 steps)
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docs_v1.0/API_V1.0.0/DEMO_SCRIPT_v1.0.0.md
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docs_v1.0/API_V1.0.0/DEMO_SCRIPT_v1.0.0.md
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# Momentry Demo Script v1.0.0
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Curl for POST/API, browser for video/thumbnail. 約 10 分鐘。
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---
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## 開場:這是什麼?
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> 「Momentry Core — 影片內容分析系統。給它一支影片,它會自動辨識裡面的人臉、追蹤他們的移動、分析誰是誰,還能用文字搜尋影片內容。」
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---
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## Step 0: 設定
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```bash
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KEY="X-API-Key: muser_68600856036340bcafc01930eb4bd839_1774418104_97221b69"
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BASE=https://api.momentry.ddns.net
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```
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---
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## Step 1: 系統活著
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> 「先確認服務正常。」
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```bash
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curl $BASE/health
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```
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**預期**: `{"status":"ok","version":"1.0.0","uptime_ms":...}`
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👉 瀏覽器開 `https://api.momentry.ddns.net/health` 也可。
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---
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## Step 2: 檔案一覽
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> 「目前系統有 37 支已註冊的影片。」
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```bash
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curl "$BASE/api/v1/files?page=1&page_size=3" -H "$KEY"
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```
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**預期**: Charade (1963) 為主,還有其他測試檔。
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---
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## Step 3: 臉部追蹤概覽
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> 「這是核心功能。系統把影片中每個出現的人臉追蹤成一個『trace』。這部 Charade 總共找到 **6,892 個 trace、108,204 次臉部偵測**。」
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```bash
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curl -X POST $BASE/api/v1/file/3abeee81d94597629ed8cb943f182e94/face_trace/sortby -H "$KEY" \
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-H "Content-Type: application/json" \
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-d '{"sort_by":"face_count","limit":5}'
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```
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**解說**:
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- trace #3128: **1,109 次出現**,持續 44.3 秒 — 這是最長的一段
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- trace #3126: 743 次
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- 數字越高代表這個人出現在畫面上的時間越長
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---
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## Step 4: 單一 Trace 細節
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> 「點進去看一個 trace 的每一幀。每個框框就是一次臉部偵測,包含位置、大小、信心度。」
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```bash
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curl "$BASE/api/v1/file/3abeee81d94597629ed8cb943f182e94/trace/2/faces?limit=3" -H "$KEY"
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```
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**解說**: 回傳的資料包含 `start_frame`(第幾幀)、`start_time`(第幾秒)、bbox 座標、信心度。
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---
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## Step 5: 補間動畫
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> 「因為 face processor 每隔 30 幀才取樣一次,所以原始資料是稀疏的。加上 `interpolate=true` 後,系統會自動線性補間,填滿中間每一幀的 bbox 位置。」
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```bash
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curl "$BASE/api/v1/file/3abeee81d94597629ed8cb943f182e94/trace/2/faces?limit=5&interpolate=true" -H "$KEY"
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```
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**解說**: `interpolated: false` 是真實偵測,`interpolated: true` 是補間的,confidence = 0。前端的淺色框就是補間框。
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---
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## Step 6: Trace 影片播放(瀏覽器)
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> 「把 trace 渲染成影片,紅框標記人臉位置。」
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**瀏覽器開**:
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```
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https://api.momentry.ddns.net/api/v1/file/3abeee81d94597629ed8cb943f182e94/trace/5/video?padding=1
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```
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**解說**: 紅框 = 臉部位置,文字標籤 = trace ID。每個 detection 的框會持續到下一次偵測為止。
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---
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## Step 7: 關鍵字搜尋 (BM25)
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> 「文字搜尋 — 不需要向量,直接用關鍵字比對。這是『friends』的搜尋結果。」
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```bash
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curl -X POST $BASE/api/v1/search/universal -H "$KEY" \
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-H "Content-Type: application/json" \
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-d '{"query":"friends","limit":3,"mode":"bm25","uuid":"3abeee81d94597629ed8cb943f182e94"}'
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```
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**預期**: `"You won't find it difficult to make some new friends."` score=0.90
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> 「再搜尋『name』看看:」
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```bash
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curl -X POST $BASE/api/v1/search/universal -H "$KEY" \
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-H "Content-Type: application/json" \
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-d '{"query":"name","limit":3,"mode":"bm25","uuid":"3abeee81d94597629ed8cb943f182e94"}'
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```
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**預期**: `"What's your name?"` score=0.90
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---
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## Step 8: 身分辨識
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> 「系統不只是追蹤臉,它還知道誰是誰。這是 M5 pipeline 自動比對 TMDb 資料庫後的結果 — **2,810 個身分**,包含 Cary Grant、Audrey Hepburn 等。」
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```bash
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curl "$BASE/api/v1/identities?page=560&page_size=5" -H "$KEY"
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```
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**預期**: Raoul Delfosse, Albert Daumergue, Claudine Berg...
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> 「也可以直接看所有身分的列表,按頁次翻找。」
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---
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## Step 9: 臉部候選人(未辨識)
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> 「還沒被指认的身分叫做『candidate』,可以在這裡手動綁定。」
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```bash
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curl "$BASE/api/v1/faces/candidates?page=1&page_size=3" -H "$KEY"
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```
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---
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## Step 10: 嵌入向量搜尋
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> 「最後是 AI 搜尋。Query 先經由 EmbeddingGemma 轉成 768 維向量,再到 Qdrant 做相似度比對。」
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```bash
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curl -X POST $BASE/api/v1/search/smart -H "$KEY" \
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-H "Content-Type: application/json" \
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-d '{"query":"Audrey Hepburn","uuid":"3abeee81d94597629ed8cb943f182e94"}'
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```
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---
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## 收尾
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> 「以上就是 Momentry Core v1.0.0 的主要功能展示。總結:**
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>
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> 1. **臉部追蹤** — 6,892 traces, 108,204 detections
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> 2. **補間動畫** — 稀疏取樣 → 連續軌跡
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> 3. **影片渲染** — bbox overlay MP4
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> 4. **關鍵字搜尋** — BM25 全文檢索
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> 5. **身分辨識** — 2,810 identities, TMDb 整合
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> 6. **AI 語意搜尋** — EmbeddingGemma + Qdrant
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>
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> 所有 API 皆可透過 `https://api.momentry.ddns.net` 存取,使用 demo/demo 登入取得 API key。"
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