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Member Avatar for daboyregino

What are the latest trends in steganography (hiding message in another medium e.g. digital images, videos, sound file) and steganalysis(detecting presence of message in a file) in jpeg images? Is there a way to perform steganography or is there an existing steganography algorithm where the message will not be destroyed …

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Member Avatar for apan

Is there a reliable method to extract the quantized DCT coefficients of a jpeg image? I can see that there is the jpeglib for manipulation of jpegs but I am wondering if someone has already used it and does the job I want to do. To extract the quantized DCT …

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Member Avatar for freemanirl

I'm writing this in VB.NET, so I figured I'd post here. So, I'm writing a program to convert some pdfs to jpegs. This is all well and good, and the program seems to work well for the most part. Unfortunately, I've come across a bit of a problem. The pdfs …

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Member Avatar for ghprogrammingco

I should write a program to combine the huge number of images side-by-side. The source images are jpeg and png formats images. I think no any direct way to combine png or jpeg images to gather, unless first convert them to bmp, or any raw format, and perform combination and …

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