Digital MediaLesson 3

Lesson Goals Understand key features of various image software

Be able to identify the capabilities and limitations

Know various image file formats and their properties

What software can we use to edit image files?

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Image Software The following are examples of commercial image editing software:

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Photoshop Fireworks iPhoto Paint

Paint.NET Pixelmator Picasa Gimp

Image Software There is a huge difference between the capabilities of different

types of image editing software depending on the application.

Common capabilities of image editing software include: Brush Tool Eraser Tool Filter effects Cropping Sharpening Red Eye Removal Hue and Saturation Brightness and Contrast

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Your Task – Image Software Describe the characteristics and capabilities of the software:

What can the software do? What are the main features?

Explain the limitations of each piece of software: What can’t the software do? Is the price or platform a problem?

Identify capabilities & limitationsKnow image file formats

Software Characteristics & Capabilities Limitations

Which platforms allow us to view image files?

Identify capabilities & limitationsKnow image file formats

#audio #capability#limitation #file

Image Platforms You can view digital media on any of the following devices:

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Image Platforms As there are so many different image viewing devices, various

file formats are required for different broadcast methods.

Some devices have displays capable of viewing images at an extremely high resolution where as others require less quality.

Image file formats can vary in: File Size Quality Resolution Compression

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Compression Different file formats compress images in various ways such as

the JPEG compression shown on the left and GIF on right:

The GIF file format deteriorates a lot more than the JPEG file does when you zoom in on the image.

Identify capabilities & limitationsKnow image file formats

#image #capability#limitation #file

Your Task – Image File Formats Describe the characteristics and properties of each file:

Where is it used? Big or small file size? Common or not?

Explain file compression for each type: Is it a compressed file or not?

File Format Characteristics & Properties Compressed?

Identify capabilities & limitationsKnow image file formats

Keywords

Image

Raster

Vector

Compression

Something visual such as a photo or graphic

Most realistic images made up of pixels

Made up of shapes and lines such as clipart

Making a file smaller for broadcasting on different platforms

Identify capabilities & limitationsKnow image file formats