In foregoing years, image compression and encryption has become fascinated and vital field. In these past years, many researchers gave many techniques of image compression and encryption.
Dear Faten,Hope you are well!
Encryption is made to protect the information in transmission and storage.
So, it is implemented after source coding which is the compression process and sometimes it is called CODEC.
It is so if the compression is lossless then you can encrypt before the lossless compression. If your compression is lossy then you can have to make the compression before the encryptionn.
Best wishes
Hi..
I think if you compress the image before encrypt it , you will get more compress ratio. This is more effecient way.
Dear Faten,Hope you are well!
Encryption is made to protect the information in transmission and storage.
So, it is implemented after source coding which is the compression process and sometimes it is called CODEC.
It is so if the compression is lossless then you can encrypt before the lossless compression. If your compression is lossy then you can have to make the compression before the encryptionn.
Best wishes
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