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Machine Learning is a subfield of computer science that draws on elements from algorithmic analysis, computational statistics, mathematics, optimization, etc. It is mainly concerned with the use of data to construct models that have high predictive/forecasting ability. Topics include modeling building, applications, theory, etc.
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Should we keep all channels when doing image classification?
Well, it depends on your images and how you want to classify them.
If we take a really basic example, if you want to classify images by their color, you obviously should keep all 3 channels.
In the …