AI Generated Caption Overlay on Image
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Generates a caption for an image using AI and overlays it onto the original image.
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About This Workflow
Overview
This workflow demonstrates how to generate a caption for an image using a multimodal AI model (like Google Gemini) and then overlay that generated caption onto the original image using n8n's image editing capabilities. It's useful for adding context, watermarks, or other textual information to images programmatically.
Key Features
- Utilizes multimodal AI models for image captioning.
- Dynamically calculates optimal text placement for overlays.
- Applies text and background rectangles to images.
- Supports fetching images via HTTP requests.
How To Use
- Import the workflow into your n8n instance.
- Configure the
Google Gemini(PaLM) Api accountcredential with your Google Cloud API key. - Replace the
WEBHOOK_URLenvironment variable in theGet Imagenode with a valid image URL. - Execute the workflow. The output will be an image with the generated caption overlaid.
Apps Used
Workflow JSON
{
"id": "dcdc3b36-fe4a-426e-9d5c-9aac6c2ef932",
"name": "AI Generated Caption Overlay on Image",
"nodes": 0,
"category": "Image Processing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: dcdc3b36-fe4a...
About the Author
Crypto_Watcher
Web3 Developer
Automated trading bots and blockchain monitoring workflows.
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