Image-Deformation

This project attempted to implement a two-dimensional Image Distortion function using OpenGL based on the C++ language, and aims to create Interactive Image Deformation haing high DOF.

Goal

• High DOF User Interactive Program
• Local Deformation Parallel Calculation

Local Deformation

Vector of control point moving

For each control point, the movement from the original position to the position moved by drag is stored as a vector.

Weight calculation using Gaussian

Set deformation weight using Gaussian equation so that pixels outside and within the deforamtion range are smoothly connected.

Deformed Texture coordinate calculation

Deformed Texture coordinate = Existing Texture coordinates - Vector * Weight * Intensity (constant)

Execution

Loading the program

• Change VS file, SDK file
• Change image path

Adjust Images

• Load images
• Adjust variables (SCR_WIDTH, SCR_HEIGHT)

Control

• Right mouse button click : Add contorl point / Delete the control point
• Left mouse button drag : Move control point
• ESC : End the program
• Up : Reduce the deformation range
• Down : Increase the deformation range
• Left : Decrease the deformation intensity
• Right : Increase the deformation intensity
• R : Show/Hide the deformation ranges
• P : Show/Hide the deformation points
• Z : Compare the before and after images

Sample Output