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# System prepended metadata

title: Seeing Red (程式碼輸出)
tags: [程式碼]

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---
tags: 程式碼
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# Seeing Red (程式碼輸出)
> 缺點：似乎沒有紀錄時間，可能會造成HRV數值不好計算
## Overview
    Name   |extractor -> preprocessor -> beats_seperation -> fiducial_points_detection -> ..
    -------------------------------------------------------------------------------------
    format |csv          csv             json                json

### extractor
==記錄影片每一幀的數值==
![](https://i.imgur.com/BbTbxsX.png)

### preprocessor
==記錄影片每一幀的數值==
![](https://i.imgur.com/K0UUC0E.png)

### beats_seperation
==以波為一單位，把波形數據塞進去，變成一個三維陣列==
==ex: 第0個波，代表有163筆數值==<br>
![](https://i.imgur.com/OyWOmQb.png)<br>
![](https://i.imgur.com/1dO11zY.png)<br>

### fiducial_points_detection

