Image Processing

© Copyright William Rowan 2007

Objectives

By the end of this you will be able to:

• Manipulate images to achieve special effects

Image Processing

• A programme such as Microsoft Picture It! will allow you to manipulate an image to achieve any special effects that you want

• Microsoft Paint also has the ability to manipulate images and some of the options discussed are common to both packages

Microsoft Paint

Image Processing

• Once you have opened Microsoft Picture It! You can then use the tools included in the programme to change the image

Image Processing

Available tools to edit image:

• Add Something

• Edges

• Effects

• Touch up

• Crop or Rotate

Image Processing

• Each of these tools expand further into a wider range of tools that can be used when editing image

Using the Crop Tool

• When you select the “Crop” tool in the image processing package it will allow you to trim the outer area of the image

• To do this you will need to open an image that you want to crop

Using the Crop Tool

• Select the “Crop or rotate” button and select “Crop canvas”

• This will open a new menu• On this menu you can select the size you wantyour image to be and select the shape for the crop

Using the Crop Tool

• If you are not sure what size you want the image to be, simply use the mouse and keeping the left button pressed drag a box around the area of the image you want to crop (see next slide)

Using the Crop Tool

• You can alter the cropped size of the image by clicking on the yellow tabs around the image and dragging them to a desired size

• You can also rotate the position of the crop area by clicking on and drag it around to the required position

• Once you are happy with the size and position press the button

Using the Crop Tool

Before Crop was applied

After Crop was applied

Using the Rotate Tool

• By selecting the rotate tool in the editing programme you can rotate the picture to a desired position

• Again a new menu will appear showing the possible options for rotation

Using the Rotate Tool

• Once you have completed

the required rotation

press the

at the bottom of

the screen

Using the Touch-up tool

• When you select the Touch-up tool a larger menu expands

• Depending on the effect you that you want to achieve will depend on what function you chose

Using the Effects tool

• Using this tool allows you to achieve the special effects shown below

• To select any of the effects simply click on it to use it

Using the Effects tool

Image after using the “Negative” effect

Using the Edges tool

• This tool will allow you to apply an edge to your image

Image source: http://windsurfing.ifrance.com/windsurfing/images/mars03b.jpg

Using the Add tool

• With this function it will allow you to add the following to your image:

Using the Add tool

• By clicking on any of the additional menu buttons, a new menu will be shown so that you can pick the feature you require to edit your image

Using the Add tool

Image source: http://www.corvetteracing.com/pictures/2006/lagunaseca/pages/lagunaseca011_jpg.shtml

Image manipulation

• You can also manipulate an image in any Microsoft Office programme

• To do this you must turn on the “Picture” toolbar (this is done by right clicking on any toolbar and selecting “Picture”)

Image manipulation

• When the image is inserted into Word, PowerPoint, etc… you can crop, rotate change colours, etc…

Now You Try!

• On the internet search for an image of any model of a car you like

• Save the image to your computer

• Using an image processing software package, manipulate the image to give special effects such as “black and white”, etc….