Lesson: 32 - Hand Gestures (AI)

Purpose: Students should learn how to use AI-based Hand Gesture Recognition in the Scratch GUI to identify different hand gestures.

Materials Required

Computer / Laptop, Internet connection

Curriculum Content 7.1) Machine Learning for Kids, Custom Model Training, 6.5) Looks, 6.2) Sprite (Object), 6.9) Control, 6.13) Functions, 7.5) Hand Gestures (AI) using Video

Prior knowledge

Students should know about function, controls, variables, video sensing etc.,

Exercises

Exercise:1


  1. Create a program in the Scratch GUI using Hand Gesture Recognition. Train the model to recognize different hand gestures and make the different actions based on the detected gesture.

Solutions


  • Click here to view the solution for exercise 1

    • Teacher's Instruction
    1. Introduce the concept of Hand Gesture Recognition.
    2. Demonstrate how to collect hand gesture samples and train the AI model.
    3. Show students how to add the trained model to the Scratch GUI.
    4. Guide students to use the camera to recognize different hand gestures.
    5. Demonstrate how to make sprites perform different actions based on the detected gesture.
    6. Ask students to test their program using different hand gestures.