The video tutorial introduces convolutional neural networks (CNNs), highlighting their significance in deep learning and computer vision. It traces the history of CNNs from their inception in the 1980s, focusing on their initial use in recognizing handwritten digits. The tutorial discusses the revival of CNNs in 2012, driven by the availability of large datasets and computing resources. It explains the concept of convolution, a key operation in CNNs, and its mathematical basis. Finally, the video covers image processing techniques, such as normalization, essential for CNNs to analyze images effectively.

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