The great and rapid development that is taking place in the areas of data transmission, the Internet, and multimedia has become a basic approach to life, and because of that, it has become necessary to provide modern and developed methods to protect private information from theft and eavesdropping by unauthorized persons. Steganography, a form of art or science that is used to conceal private information from uninvited parties, is one of the most crucial of these techniques. This technique is distinguished by hiding the secret message in a different medium known as the cover medium, in addition to obscuring the fact that there is a data transfer. In this research, a new method was proposed and applied to hide the data. The discrete shearlet transform is applied to transform the cover image into a frequency domain where the secret message will be hidden. The quad chain code technique is then used to extract the boundaries of the object in the cover image, and a series of pixels are taken from these edges to include the secret message and then hide it using the least significant bit (LSB).
Topics
Data processing
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