Year 7 Information Technology



Year 8 Information Technology

Using Photoshop to adjust images

As the name suggests Photoshop was originally created to help photographers enhance their photos. This is still the main thing it is used for. In this task you will learn how to make various adjustments to your images to make the image clearer, brighter, more colourful or less colourful.

Often when photographers take photos they turn out too dark, too light, too washed out or there is some other problem. Programs like Photoshop allow photographers to make adjustments to their images to fix these problems.

Under the Image > Adjustments menu there are a range of adjustments that can be made.

Instructions

For this exercise you will apply adjustments to images of your choice in an effort to improve the images. You could use the images from your group photos or other pictures from the School Common.

You must use each of the following adjustments:

• Hue/Saturation

• Brightness/Contrast

• Colour Balance

• Shadows/Highlight

• Variations

|Adjustment |What it does |

|Hue |Controls the colours of different areas of the picture |

|Saturation |Controls the intensity of the colours |

|Brightness |Controls how light or dark the picture is |

|Contrast |Controls the difference in lightness between edges within the picture |

|Colour Balance |Adjusts the balance between Red, Green and Blue colour channels |

|Shadows/Highlight |Changes the lightness of dark and light areas of the picture |

|Variations |Offers different alternatives for different adjustments and allows you to compare with the original. |

1. Create a new folder in your IT folder called Photoshop. Inside this folder create another folder called Adjustments. Then you will need five more folders, one for each adjustment you will be using. Your IT folder should then look like this.

2. Choose a picture to adjust and copy it into one of your new folders depending on what sort of adjustment you will be making to it.

3. Open the picture in Photoshop and apply some changes using the chosen adjustment.

4. When you are satisfied with your adjustments save the picture in the same folder under a different name.

5. When you have finished each folder should have two pictures, the original and the improved version.

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