Skills: compressing an image using Paint.netConcepts: none

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Image compression demonstration

Where does this topic fit?

• Internet concepts– Applications– Technology– Implications

• Internet skills– Application development– Content creation (image)– User skills

Image processing work flow

Capture

Edit

Compress

Distribute

Ready to distribute

Save the file

Save the file

Too big

Too small

Just right

Good enough?

GIFJPEG

BMPPNG

Summary

Capture

Edit

Compress

Distribute

Self-study questions

1. Will your compressed image be larger, smaller or the same size if it is viewed on a screen with a lower resolution than yours?

2. What are the compression options when saving a PNG file? Experiment with them to see their effect.