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Image Projective Transformation

Apply advanced projective transformation for complex 3D surface mapping and projection effects

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: image/jpeg, image/png, image/webp, image/gif, image/bmp, image/tiff

Upload any image file (JPEG, PNG, WebP, GIF, BMP, TIFF) for projective transformation

3x3 projective transformation matrix in homogeneous coordinates. Format: [[a,b,c],[d,e,f],[g,h,i]]

Method for interpolating pixel values during transformation

Background color for empty areas (hex #RRGGBB or #RRGGBBAA, or color name)

Output format for the result image (PNG recommended for transparency)

Output quality for lossy formats

Key Facts

Category
Design
Input Types
file, textarea, select, text, number
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Image Projective Transformation tool allows you to apply precise homography-based geometric distortions to your images, enabling advanced 3D surface mapping and custom perspective projection effects.

When to Use

  • •Correcting perspective distortion in architectural or document photography.
  • •Mapping flat textures onto 3D surfaces or skewed planes.
  • •Creating custom artistic projection effects for digital design projects.

How It Works

  • •Upload your source image in any standard format like PNG, JPEG, or TIFF.
  • •Define the 3D transformation using a 3x3 homogeneous coordinate matrix.
  • •Select an interpolation method such as Bilinear or Bicubic to maintain visual fidelity.
  • •Configure background color and output format, then process the image to generate the transformed result.

Use Cases

Rectifying skewed document scans into a flat, readable format.
Simulating a billboard or screen perspective for product mockups.
Applying complex geometric warps for creative digital art compositions.

Examples

1. Correcting Document Perspective

Archivist
Background
A collection of historical documents was photographed at an angle, making them difficult to read.
Problem
The text appears skewed and distorted due to the camera angle.
How to Use
Upload the document image and input a calculated homography matrix to flatten the perspective.
Example Config
[[1.2, 0.1, -50], [0.05, 1.1, -20], [0.0001, 0.0002, 1]]
Outcome
The document is rectified into a standard top-down view, restoring readability.

2. Texture Mapping for Mockups

Graphic Designer
Background
Need to place a flat logo design onto a photo of a building facade viewed from an angle.
Problem
The logo needs to match the perspective of the building wall.
How to Use
Upload the logo image and apply a projective transformation matrix to match the building's vanishing points.
Example Config
[[0.8, 0.2, 100], [0.1, 0.9, 50], [0.0005, 0.0001, 1]]
Outcome
The logo appears naturally integrated onto the building surface with correct perspective alignment.

Try with Samples

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FAQ

What is a 3x3 transformation matrix?

It is a mathematical array used to calculate the new position of every pixel in an image, allowing for rotation, scaling, shearing, and perspective warping.

Which interpolation method should I choose?

Bilinear is recommended for a balance of speed and quality. Use Bicubic for higher-quality results with smoother edges, or Nearest Neighbor for faster processing.

Can I keep the background transparent?

Yes, by selecting PNG as your output format and setting the background color to 'transparent', the tool will preserve alpha channel information.

What file formats are supported?

You can upload JPEG, PNG, WebP, GIF, BMP, and TIFF files. Output can be saved as PNG, JPEG, or WebP.

Is there a limit to the image size?

The tool supports file uploads up to 10MB to ensure stable processing performance.

API Documentation

Request Endpoint

POST /en/api/tools/image-projective

Request Parameters

Parameter Name Type Required Description
imageFile file (Upload required) Yes Upload any image file (JPEG, PNG, WebP, GIF, BMP, TIFF) for projective transformation
matrixRows textarea Yes 3x3 projective transformation matrix in homogeneous coordinates. Format: [[a,b,c],[d,e,f],[g,h,i]]
interpolation select No Method for interpolating pixel values during transformation
background text No Background color for empty areas (hex #RRGGBB or #RRGGBBAA, or color name)
format select No Output format for the result image (PNG recommended for transparency)
quality number No Output quality for lossy formats

File type parameters need to be uploaded first via POST /upload/image-projective to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-image-projective": {
      "name": "image-projective",
      "description": "Apply advanced projective transformation for complex 3D surface mapping and projection effects",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=image-projective",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]