How much information in an image?

PowerPoint presentation
Prerequisite topic module

Skills: none
Concepts: information, information in an image

Text editor versus word processor

PowerPoint presentation
Assignment

Skills: None
Concepts: Text editor versus word processor, (ASCII) text file

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

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 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

Data + code → information

PowerPoint presentation
Prerequisite topic module

Skills: none
Concepts: data, information, code, code standardization, encoding text

Assignment

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

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