GPT-4o と Google Drive を使用した PDF 画像抽出と分析を自動化
中級
これはAI分野の自動化ワークフローで、12個のノードを含みます。主にSet, Code, SplitOut, GoogleDrive, HttpRequestなどのノードを使用、AI技術を活用したスマート自動化を実現。 GPT-4oとGoogle Driveを使ってPDF内の画像の抽出と分析を自動化する
前提条件
- •Google Drive API認証情報
- •ターゲットAPIの認証情報が必要な場合あり
- •OpenAI API Key
カテゴリー
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"id": "NDCN2arRu5tLuP61",
"meta": {
"instanceId": "36147281c0732d54779505fe69cf0516d4b8760fdbbc308b1950e452edcf85e8",
"templateCredsSetupCompleted": true
},
"name": "Automate PDF Image Extraction & Analysis with GPT-4o and Google Drive",
"tags": [],
"nodes": [
{
"id": "78bb478a-721d-433f-a615-8f131ef1d87f",
"name": "ワークフロー「Test」をクリックした時",
"type": "n8n-nodes-base.manualTrigger",
"position": [
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],
"parameters": {},
"typeVersion": 1
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{
"id": "b1c2e97b-3539-4e16-89df-434a34c6a243",
"name": "付箋ノート",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
"color": 3,
"width": 360,
"height": 480,
"content": "### Setup\n1.Set up your credentials when you first open the workflow. You’ll need accounts for OpenAI, Convert API, and Google Drive.\n2.Convert API does not rate-limit your API, sometimes you may receive 503 service unavailable error.\nNevertheless, it doesn’t mean that you cannot convert your file. It simply means that you should retry the conversion in a few seconds.\n3.Upload a PDF with images to Google Drive.\n4.Remove unnecessary parts and retrieve image-related information.\n5.Integrate image and image analysis information together.\n6.Analyze each image using the OPENAI GPT-4o model.\n7.Retrieve all image analysis content and image URL\n8.Integrate multiple image URLs and analysis content\n9.Output content to a .txt file.\n\nTemplate was created in n8n v1.83.2"
},
"typeVersion": 1
},
{
"id": "3b2a81eb-19b4-4685-90a3-1b4096b2d3b7",
"name": "PDFファイルを取得",
"type": "n8n-nodes-base.googleDrive",
"position": [
-1000,
40
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "list",
"value": "1WoqaMgaCD-gChGWUqPRJ7-pxbTozEuXN",
"cachedResultUrl": "https://drive.google.com/file/d/1WoqaMgaCD-gChGWUqPRJ7-pxbTozEuXN/view?usp=drivesdk",
"cachedResultName": "Building Effective AI Agents _ Anthropic.pdf"
},
"options": {},
"operation": "download"
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "nxqV58j7kOaLFzhj",
"name": "Google Drive account"
}
},
"typeVersion": 3
},
{
"id": "89208aa8-37d8-424c-a936-52539a9bc7ee",
"name": "全てのimg_urlを取得",
"type": "n8n-nodes-base.set",
"position": [
-520,
160
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "7715e33a-c5cc-4a22-aa28-ac19a24bbd7c",
"name": "url",
"type": "string",
"value": "={{ $json.Url }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "5c1ece53-1910-42d6-a1e4-bfa6d5a83fe9",
"name": "画像を分析",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
-360,
40
],
"parameters": {
"text": "Please analyze the video in detail and provide a thorough explanation",
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "GPT-4O"
},
"options": {},
"resource": "image",
"simplify": false,
"imageUrls": "={{ $json.url }}",
"operation": "analyze"
},
"credentials": {
"openAiApi": {
"id": "4wadssyBOfOAfo2P",
"name": "OpenAi account"
}
},
"typeVersion": 1.8
},
{
"id": "9e09364d-fb82-4524-b6aa-b8a6040893ba",
"name": "PDF画像を抽出",
"type": "n8n-nodes-base.httpRequest",
"position": [
-840,
140
],
"parameters": {
"url": "https://v2.convertapi.com/convert/pdf/to/extract-images",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "StoreFile",
"value": "true"
},
{
"name": "ImageOutputFormat",
"value": "jpg"
},
{
"name": "File",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "5hUN8DpheywQE5v6",
"name": "convertapi extract image"
}
},
"retryOnFail": true,
"typeVersion": 4.2,
"waitBetweenTries": 5000
},
{
"id": "8fd6e8ae-bea1-4d7f-8599-7bf6f4eee9e5",
"name": "付箋ノート1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1080,
280
],
"parameters": {
"color": 5,
"width": 202,
"height": 99,
"content": "### You can exchange this with any trigger you like (*e.g. google drive trigger*)"
},
"typeVersion": 1
},
{
"id": "b0ce7fdd-7328-49b2-8ec6-797205aa7ab5",
"name": "画像データを取得",
"type": "n8n-nodes-base.splitOut",
"position": [
-680,
40
],
"parameters": {
"options": {},
"fieldToSplitOut": "Files"
},
"typeVersion": 1
},
{
"id": "c5855876-41d9-46a4-bdec-e60effa116e8",
"name": "付箋ノート3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1060,
-220
],
"parameters": {
"width": 300,
"content": "### PDF Image Extraction and Analysis with GPT-4o\nThis n8n workflow automates the process of extracting images from PDF files and analyzing them with AI, then compiling the results into a document."
},
"typeVersion": 1
},
{
"id": "7cea9e1b-0094-4220-bdf6-f13ab795e394",
"name": "画像分析コンテンツを取得",
"type": "n8n-nodes-base.set",
"position": [
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],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "2868a5bd-86a8-4962-a867-b4a354276181",
"name": "content",
"type": "string",
"value": "={{ $('Get all img_url').item.json.url }}\n{{ $json.choices[0].message.content }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "de4b6fab-d086-4bf3-81fc-a6f7b7eac24b",
"name": "全てのコンテンツを統合",
"type": "n8n-nodes-base.code",
"position": [
-40,
40
],
"parameters": {
"jsCode": "const mergedContent = items.map(item => item.json.content).join('\\n');\n\nreturn [\n {\n json: {\n content: mergedContent\n }\n }\n];\n"
},
"typeVersion": 2
},
{
"id": "e66f7c66-9096-4bf5-b1dc-02dafeaa62ee",
"name": "コンテンツを.txtファイルに出力",
"type": "n8n-nodes-base.convertToFile",
"position": [
140,
140
],
"parameters": {
"options": {},
"operation": "toText",
"sourceProperty": "content"
},
"typeVersion": 1.1
}
],
"active": false,
"pinData": {},
"settings": {
"timezone": "Asia/Taipei",
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1"
},
"versionId": "4c2771a6-f532-4bfd-bb98-3eae8b0ee85a",
"connections": {
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"5c1ece53-1910-42d6-a1e4-bfa6d5a83fe9": {
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"b0ce7fdd-7328-49b2-8ec6-797205aa7ab5": {
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"type": "main",
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"89208aa8-37d8-424c-a936-52539a9bc7ee": {
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"de4b6fab-d086-4bf3-81fc-a6f7b7eac24b": {
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}
}よくある質問
このワークフローの使い方は?
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか?
中級 - 人工知能
有料ですか?
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス(OpenAI APIなど)は別途料金が発生する場合があります。
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