CNN – If We Are Flattening The Feature Map Aren’t We Loose The Spatial Information?


CNN – If We Are Flattening The Feature Map Aren’t We Loose The Spatial Information?

Syllabus:

  1. What Happens During Flattening?
  2. Loss of Spatial Information
  3. Why Flattening is Used Despite This Limitation?
  4. Alternatives to Flattening
  5. Example
  6. Conclusion

Answer:

  • Yes, flattening a feature map in a Convolutional Neural Network (CNN) leads to the loss of spatial information because the structured 2D or 3D representation of the features is converted into a 1D vector.
  • While this is acceptable for certain tasks (like classification), it does come with trade-offs.

What Happens During Flattering?

Loss Of Spatial Information:

Why Flattening is Used Despite This Limitation:

Alternatives to Flattening:

Example Of Flattering:

Conclusion:

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