本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 建立影片的藍圖
<a name="creating-blueprint-video"></a>

與其他藍圖相比，影片檔案的藍圖有一些獨特的特點，特別是欄位建立方面。影片藍圖具有稱為精細度的參數，可讓您將欄位設定為影片或章節。將欄位設定為影片時，系統將在整個影片中偵測到該欄位。例如，如果您想要整個剪輯的摘要，建議您將該欄位的精細度設為影片。

將精細度設為章節的欄位將改為傳回影片每個章節的回應。欄位將傳回每個影片章節的值。從上一個範例繼續，如果您想要影片每個部分的摘要，請將精細度設為章節。

當您建立章節精細度欄位時，您可以設定唯一的資料類型 (即實體陣列)。例如，如果您想要偵測影片中視覺上明顯的物件，您可以建立名為 `key-visual-objects` 的欄位，並將其類型設為實體陣列。然後，此欄位會傳回陣列物件中實體的名稱。

以下是影片處理的一些範例欄位。影片藍圖中的所有欄位都會視為推斷，但實體和實體陣列除外。

## 媒體搜尋的藍圖欄位範例
<a name="example-video-fields-search"></a>


|  |  |  |  |  | 
| --- |--- |--- |--- |--- |
| 欄位 | 指示 | 擷取類型 | 類型 | 精細程度 | 
| key-visual-objects | Please detect all the visually prominent objects in the video | extractive | Array of entities | [ "chapter" ] | 
| keywords | Searchable terms that capture key themes, cast, plot elements, and notable aspects of TV shows and movies to enhance content discovery. | inferred | Array of strings | ["video"] | 
| genre | The genre of the content. | inferred | string | ["video"] | 
| video-type | Identify the type of video content | inferred | enums: ["Movie", "TV series", "News", "Others"] | [ "video" ] | 

## 主題演講重點的藍圖欄位範例
<a name="example-video-fields-keynote"></a>


|  |  |  |  |  | 
| --- |--- |--- |--- |--- |
| 欄位 | 指示 | 擷取類型 | 類型 | 精細程度 | 
| broadcast-setting | The physical setting or environment where the broadcast or training session is taking place. | inferred | enums["conference hall", "classroom", "outdoor venue", "Others", "Not applicable to the video"] | [ "video" ] | 
| broadcast-audience-engagement | The level of engagement or interaction between the speakers and the audience. | inferred | enums["interactive", "passive", "Not applicable to the video"] | ["video"] | 
| broadcast-visual-aids | A list of notable visual aids or materials used during the presentation, such as slides, diagrams, or demonstrations. | inferred | Array of strings | ["video"] | 
| broadcast-audience-size | The size of the audience present at the event. | inferred | enums["large crowd", "medium crowd", "small group", "Not applicable to this video"] | [ "chapter" ] | 
| broadcast-presentation-topics | A list of key topics, subjects, or themes covered in the presentation or training session. | inferred | enums: ["Movie", "TV series", "News", "Others"] | [ "video" ] | 

## 用於公告分析的藍圖欄位範例
<a name="example-video-fields-ad"></a>


|  |  |  |  |  | 
| --- |--- |--- |--- |--- |
| 欄位 | 指示 | 擷取類型 | 類型 | 精細程度 | 
| ads-video-ad-categories | The ad categories for the video | inferred | enums["Health and Beauty", "Weight Loss", "Food and Beverage", "Restaurants", "Political", "Cryptocurrencies and NFT", "Money Lending and Finance", "Tobacco", "Other", "Video is not an advertisement"] | [ "video" ] | 
| ads-video-language | The primary language of the advertisement | inferred | string | ["video"] | 
| ads-video-primary-brand | The main brand or company being advertised in the video. | inferred | string | ["video"] | 
| ads-video-main-message | The primary message or tagline conveyed in the advertisement | inferred | string | [ "video" ] | 
| ads-video-message-clarity | How clear and understandable the main message of the advertisement is | inferred | enums: ["clear", "ambiguous", "Not applicable to the video"] | [ "video" ] | 
| ads-video-target-audience-interests | Specific interests or hobbies that the target audience is likely to have | inferred | Array of strings | [ "video" ] | 
| ads-video-product-type | The category or type of product being advertised | inferred | enums: ["electronics", "apparel", "food\$1and\$1beverage", "automotive", "home\$1appliances", "other", "Not applicable to the video"] | [ "video" ] | 
| ads-video-product-placement | The way the product is positioned or showcased in the advertisement | inferred | enums: ["front\$1and\$1center", "background", "held\$1by\$1person", "other", "Not applicable to the video"] | [ "video" ] | 
| ads-video-product-features | The key features or specifications of the advertised product highlighted in the video | inferred | Array of strings | [ "video" ] | 
| ads-video-number-of-products | The number of distinct products or variations featured in the advertisement | inferred | number | [ "video" ] | 

影片也支援多種實體類型，可協助識別和尋找影片內容中的特定實體。此功能會傳回偵測到實體的陣列。以下是客戶藍圖中一系列實體的範例：

```
  "field_name": {
        "items": {
            "$ref": "bedrock-data-automation#/definitions/Entity"
        },
        "type": "array",
        "instruction": "Please detect all the visually prominent objects in the video",
        "granularity": [
            "chapter"
        ]
    }
```

**注意**  
`bedrock-data-automation#/definitions/Entity` 是 BDA 擁有的服務類型。若要剖析結果，您可以使用下列結構描述。

```
       {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "$id": "bedrock-data-automation",
        "type": "object",
        "definitions": {
            "BoundingBox": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                    "left": {
                        "type": "number"
                    },
                    "top": {
                        "type": "number"
                    },
                    "width": {
                        "type": "number"
                    },
                    "height": {
                        "type": "number"
                    }
                }
            },
            "Entity": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                    "label": {
                        "type": "string"
                    },
                    "bounding_box": {
                        "$ref": "bedrock-data-automation#/definitions/BoundingBox"
                    },
                    "confidence": {
                        "type": "number"
                    }
                }
            }
        },
        "properties": {}
    }
```