Media Editing Lesson Plan
Lesson: 9 - Image Compression and Mega pixel

Purpose: Learn to differentiate lossy and lossless compression.

No. of. Classes

1 - (Time : 1:30 minutes, 10 laptops/desktops, Students strength : 15 to 20).

Materials Required

Laptop, Internet explorer or any browser and internet connection and any image compression desktop apps.

Curriculum Content 2.1.4) Compression,
2.1.5) Megapixel.
Prior knowledge

Students should know aspect ratio, resolution and pixels.

Exercises

Exercise: 1

Explain about RGB color and it size?

Instruction:
  1. Click to view the instruction video for exercise-1.

Exercise: 2

Explain about image compression?

Instruction:
  1. Click to view the instruction video for exercise-2.

Exercise: 3

Differentiate between Lossy compression and Lossless compression.

Instruction:
  1. Click here to view the pdf on Lossy and Lossless compression.
  2. View this video to understand what is lossy compression.
  3. View this video to understand the difference between Lossy and Lossless compression.

Exercise: 4

Learn about megapixels.

Instruction:
  1. Click here to read the document on Megapixels.
Teacher's Instruction
  1. Teachers should guide the students to find camera’s pixel and HD resolutions.
  2. Ask them, which compression is the best compression.
  3. Ask them, where do we use compressed files?