awesome-n8n-templates/PDF_and_Document_Processing/Extract license plate number from image uploaded via an n8n form.json at main · enescingoz/awesome-n8n-templates · GitHub

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{
"id": "B37wvB0tdKgjuabw",
"meta": {
"instanceId": "98bf0d6aef1dd8b7a752798121440fb171bf7686b95727fd617f43452393daa3",
"templateCredsSetupCompleted": true
},
"name": "Image to license plate number",
"tags": [],
"nodes": [
{
"id": "a656334a-0135-4d93-a6df-ca97222c9753",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
-140,
-380
],
"parameters": {
"text": "={{ $json.prompt }}",
"messages": {
"messageValues": [
{
"type": "HumanMessagePromptTemplate",
"messageType": "imageBinary",
"binaryImageDataKey": "Image"
}
]
},
"promptType": "define"
},
"typeVersion": 1.5
},
{
"id": "41a90592-2a91-40ff-abf4-3a795733d521",
"name": "FormResultPage",
"type": "n8n-nodes-base.form",
"position": [
220,
-380
],
"webhookId": "218822fe-5eb9-4451-ae8a-14b8f484fdde",
"parameters": {
"options": {
"formTitle": ""
},
"operation": "completion",
"completionTitle": "Extracted information:",
"completionMessage": "={{ $json.text }}"
},
"typeVersion": 1
},
{
"id": "c23b95d9-b7a2-4e9e-a019-5724a9662abd",
"name": "OpenRouter LLM",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenRouter",
"position": [
-60,
-180
],
"parameters": {
"model": "={{ $json.model }}",
"options": {}
},
"credentials": {
"openRouterApi": {
"id": "bs7tPtvgDTJNGAFJ",
"name": "OpenRouter account"
}
},
"typeVersion": 1
},
{
"id": "8298cd51-8c47-4bc4-af78-2c216207ef76",
"name": "Settings",
"type": "n8n-nodes-base.set",
"position": [
-340,
-380
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "1b8381dc-5b9a-42a2-8a67-cc706b433180",
"name": "model",
"type": "string",
"value": "openai/gpt-4o"
},
{
"id": "72aec130-ab56-4e61-b60b-9a31dd8d02e6",
"name": "prompt",
"type": "string",
"value": "Extract the number of the license plate on the front-most car depicted in the attached image and return only the extracted characters without any other text or structure."
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "fae79fc9-b510-44a4-beec-4dc26dc2a13a",
"name": "FromTrigger",
"type": "n8n-nodes-base.formTrigger",
"position": [
-560,
-380
],
"webhookId": "41e3f34b-7abe-4c64-95cd-2942503d5e98",
"parameters": {
"options": {},
"formTitle": "Analyse image",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "Image",
"requiredField": true,
"acceptFileTypes": ".jpg, .png"
}
]
},
"responseMode": "lastNode",
"formDescription": "To analyse an image, upload it here."
},
"typeVersion": 2.2
}
],
"active": true,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "5b9c53b9-3998-4676-999d-1ba117bf6695",
"connections": {
"Settings": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"FromTrigger": {
"main": [
[
{
"node": "Settings",
"type": "main",
"index": 0
}
]
]
},
"OpenRouter LLM": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "FormResultPage",
"type": "main",
"index": 0
}
]
]
}
}
}