CHAPTER 03 / 06 · LEARN

See the layers at work.

Deep learning Applied AI Engineering

Neural systems transform input through layers. The important work is choosing a focused task, testing it and reporting limits.

THE QUESTION

What changes when the input, model or test case changes?

FIG. 03 / THE LAYERED NETWORK EXAMPLE SYSTEM
Features / image example

An illustrative image signal moves through the network toward a class prediction.

03 / THE PROCESS

From idea
to evidence.

Three connected moves explain the subject and the work that makes it reviewable.

A model card with results and limitations.

  1. 01 / INPUT

    Define the task

    Choose a narrow text or image question and a sensible measure of success.

    WHAT YOU CAN SHOWTask and evaluation plan
  2. 02 / REPRESENTATION

    Adapt a model

    Explore neural networks and transfer learning with a small, inspectable experiment.

    WHAT YOU CAN SHOWTested classification example
  3. 03 / OUTPUT

    Describe the limits

    Report the data used, results, mistakes and situations where the model should not be trusted.

    WHAT YOU CAN SHOWModel card

THE PRACTICE

Make the work
inspectable.

The example is a way to explore the idea. Real project evidence should include what was tried, what was observed and what remains uncertain.

01 / STARTExplore neural networks, transfer learning and focused text or image tasks.
02 / DOTest a model on a fictional classification task.
03 / SHOWA model card with results and limitations.

KEEP IN VIEW

What the visual
doesn’t prove.

Animated connections are a teaching diagram. They are not a literal view into a trained model.

ROLE CONNECTIONS

These directions use ideas from this subject within the Applied AI Engineering learning path.

LEARNDeep Learning Engineer
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