What are Convolutional Neural Networks (CNNs)?

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Convolutional neural networks, or CNNs, are distinguished from other neural networks by their superior performance with image, speech, or audio signal inputs. But how exactly do they work?

In this lightboard video, Martin Keen with IBM, explains how this deep learning algorithm operates to enable machines to view the world as humans do.

#ConvolutionalNeuralNetworks #Neural Networks #AI

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Unbelievably clear and succinct explanations

sunnygan

The intro just rocked, as to why CNN. "Humans can do object detection quickly and machines can't" and hence that's where it begins. Amazing... Thanks...

arrahul

Mans just wrote in perfect handwriting BACKWARDS on the glass and no one is talking about it what the heck

kaysonargyle

Explained in a very simple way that's easy to understand! Great video!

ameridev

In my eyes, the goal of Convolution is to make the signal invariant to scaling and translation. It acts as a pre-processor of the raw input signal. You could also first pre-process your training set and store it in a file. Then you can use this file and feed it directly to the deep neural network. You don't need the Convolution anymore at training.
Another way of making your signal (picture) invariant is to first Fourier Transform it to make it scaling and translation invariant. Next you transform the signal from cartesian to polar coordinates to make it rotational invariant. Finally you Fourier Transform that signal and end up with a fully invariant signal that you can store as a pre-processed Training set.

pellythirteen

Bro this dude just wrote mirrored wth. Also thanks for the video! The concept of CNN is a lot more clear to me now. :))

jiajunmak

Have been watching several videos to get a high level understanding of CNN, but no luck. However, this is a very good explanation ! Cleared lots of doubt in few minutes. Thank you

rdbnair

man i like how you clearly explain your videos

simonrashid-pozq

0:42 I cannot get over the fact that this dude just wrote the term CNN backwards so easily and so fast :O

andresinho

This channel has some of the best CompSci explanations ! Never been disappointed!

minnaazmy

This is probably the best explained video i've ever watched, you're a great

Phse

Such a likeable person explaining so well, much appreciated! :)

MrMMF

Dear lord this is perfectly chunked information.

emc

you are more and more better than my clg faculty thank you for a great a explanation 😍

karthik-iezj

Fantastic Video. Is Martin always writing mirrored? I am fastinated by how your video recording works!

jzhao

Martin, you are a superb teacher. You make learning easy and fun.

Traxin

Well if the beer videos ever stop Martin you have a career in IT Vlogging 😁

bryantea

This explanation was so good. Currently using CNNs for remote sensing applications.

mohamedvawda

Fantastic explanation! Very pedagogical and easy to follow. Thank you!

moonstone

Identifying, organizing and reaping to thought.
Your tv CAN communicate with you via your neurons producing electromagnetic waves

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