Image layers

PowerPoint presentation

Skills: Adding independent layers to images
Concepts: Image layers

Assignment

Transparency

PowerPoint presentation

Skills: selecting irregular shapes with the magic wand tool, using layers
Concepts: transparency

Prerequisite topic module
Assignment

Including images in Web pages

PowerPoint presentation
Prerequisite topic module
Prerequisite topic module
Assignment

Skills: include images in Web pages
Concepts: tag, attribute, value, path (to a stored file)

How much information in an image?

PowerPoint presentation
Prerequisite topic module

Skills: none
Concepts: information, information in an image

Encoding images

PowerPoint presentation

Skills: none
Concepts: an image representation code, the number of bits in a code, the amount of information in an image

Prerequisite topic module
Assignment

Image compression demonstration

PowerPoint presentation
Assignment
Prerequisite topic module
Prerequisite topic module

Skills: compressing an image using Paint.net
Concepts: none

Making a headshot

PowerPoint presentation
Presentation transcript
Presentation video
Assignment
Prerequisite topic module

Skills: selecting, cropping, resizing and sharpening an image, using the tool setting and status information in Paint.net
Concepts: image size, information in an image

Note: This is a somewhat generic demonstration of creating a 200 by 200 pixel image. The module Using Paint.net is more specific to Paint.net.

Image processing examples

PowerPoint presentation
Presentation transcript
Assignment
Prerequisite topic module

Skills: Using several image processing tools and commands
Concepts: image processing tools, image processing operations

Image compression

Skills: image processing workflow, compressing images, matching compression level to your application
Concepts: compression, the visual effect of image compression, the amount of information in an image, pixelation, the importance of compression

PowerPoint presentation

Compression and information

PowerPoint presentation
Prerequisite topic module

Skills: none
Concepts: the amount of information in an image, lossy versus lossless compression

Using Paint.net

PowerPoint presentation
Prerequisite topic module

Skills: navigate the Paint.net user interface, and use the toolbox, tool settings and status lines, command menus, use the history, layer and color windows
Concepts: layer, pixel, image processing operation

Note: For a similar, but more generic demonstration of the creation of a 200 by 200 pixel image see the Image processing demonstration module.

An image processing session

PowerPoint presentation
Assignment
Prerequisite topic module
Prerequisite topic module


Skills: rotate, select, crop, resize, change contrast, filter, compress
Concepts: image processing operation, information

What is image processing?

PowerPoint presentation
Assignment

Skills: image processing work flow
Concepts: history of image processing, evolution of technology from prototype to mainstream, image processing programs, image processing examples, image processing operations

Image characteristics

PowerPoint presentation
Assignment
Prerequisite topic module

Skills: none
Concepts: pixel, compression, image characteristics: size, shape (aspect ratio), resolution, amount of information, flat versus photographic, and file type