G22-2025-Final Project

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h1. Project Details

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h2. Overview

The purpose of this project is to create a software that can display overlapping images from two projectors. The main technique used to produce a smooth image was alpha blending, with three blend types implemented, linear, quadratic, and gaussian blending. This page will detail the techniques used, as well as the implementation of the software.

h2. Software Used

|_. Software |_. Description |

| *Astah* | Used to draw UML diagrams and export them into Python templates to begin implementation. |

| *Python* | A high level programming language used to implement the project. |

| *Redmine* | Used to track issues and create the project's wiki. |

| *Doxygen* | Used to generate documentation from written code. |

h2. Alpha Blending

When multiple projections overlap, the overlapping regions are illuminated multiple times resulting in bright spots. Alpha blending attempts to reduce this illumination to bring the final result to a brightness that is consistent with the rest of the projection.

h2. Linear Blending

!LinearLeft.png!

!LinearRight.png!

h2. Quadratic Blending

!QuadraticLeft.png!

!QuadraticRight.png!

h2. Gaussian Blending

!GaussianLeft.png!

!GaussianRight.png!