| 摘要 |
<p>Disclosed is a method for information hiding, comprising: encrypting an original image, dividing the encrypted image into image blocks, dividing each image block into two or more parts, embedding secret information into corresponding parts of the image blocks, and issuing the image having embedded therein the secret information; receiving the image having embedded therein the secret information, decrypting the image having embedded therein the secret information, dividing the decrypted image into image blocks, dividing each image block into two or more parts, extracting the embedded secret information, and restoring the original image. Also disclosed is a device for information hiding. Utilization of the technical solution of the present invention increases the accuracy rate of secret information extraction and the accuracy rate of original image restoration.</p> |
