Files You Need for This Lab

You will need to download the following files.

• image.h
• image.cc
• Makefile
• lab5-dither1x1.cc - Solution to 1x1 dithering part of this lab
• lab5-dither4x4-skeleton.cc - Outline for the source file for the 4x4 dithering part of this lab.
• lab5-errdiff-skeleton.cc - Outline for the source file for the error diffusion part of this lab.
• lab5.m - Matlab script to plot the energy of error in the frequency domain.

You will also need the following images.

• ca_coast.png - the image we'll be operating on

Getting Started

Use the following instructions to get started.

1. Download the needed files and enter the directory where you saved them.
2. Make a copy of lab5-dither4x4-skeleton.cc, naming it lab5-dither4x4.cc.
3. Make a copy of lab5-errdiff-skeleton.cc, naming it lab5-errdiff.cc.
4. Edit these files to do the two parts of this lab.

Compiling and Running

To compile the parts of this lab, type one of

• gmake lab5-dither1x1
• gmake lab5-dither4x4
• gmake lab5-errdiff

To run the parts of this lab, type one of

• ./lab5-dither1x1
• ./lab5-dither4x4
• ./lab5-errdiff

Running Matlab

• Just hit "F5"