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welcome back to the image processing series today weamp;#39;re going to be talking about something called steganography so what is steganography basically itamp;#39;s the practice of hiding a file inside of another file so in our case a message inside of an image and just to give you an idea of what thatamp;#39;s going to look like i have two images here the one on the right containing a secret message hidden in the pixels of the image and the one on the left is the original now as you can see theyamp;#39;re pretty much exactly identical thereamp;#39;s no way to tell just by looking at it even if you zoom in at the individual pixels itamp;#39;s very hard to tell so letamp;#39;s just get right into making it weamp;#39;re going to start off with a function that we can use to encode our message thatamp;#39;s going to take a string and another function to decode a message from the file thatamp;#39;s going to take a buffer and weamp;#39;re also going to be able to give the user t
