Is Feature extraction step required in CNN?
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I research 3 D volumetric brain tumor segmentation using CNN. Is activation map the feature extraction in CNN?. So i want to know the feature extraction in CNN. Is Feature extraction step required in CNN?
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Ameer Hamza
el 18 de Oct. de 2020
Not explicitly. You can do some pre-processing, but you don't need to extract features yourself. The whole point of using a CNN is that we do need to decide which features are important for a specific problem. It should learn important features during the training process.
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