[PDF] Top 20 Sharing an Image with Variable-size Shadows

... secret image sharing schemes produce shadows with an equal size including the well know Shamir’s and Thien-Lin’s approaches that are based upon polynomial ...secret image ... See full document

... the sharing algorithm of Thien and Lin 4 to gener- ate shadows, either have shadows that are larger than ours or cannot achieve lossless ...tional image sharing schemes are suitable for ... See full document

... secret sharing (VSS) scheme, which not only protects a secret image but also allows users to verify the restored secret image in the revealing and verifying phase, for all binary, grayscale and color ... See full document

... secret sharing was introduced indepen- dently by Shamir 3 and ...proposed an 共r, n兲 sharing scheme particularly for se- cret ...secret image was shared among n partici- pants, and each ... See full document

... another image-sharing method such that the shadow images look like portraits of the original ...presents an overview of the pro- posed ...introduce sharing and recovery phases of the proposed ... See full document

... n)-threshold sharing scheme. In this way, we can retrieve the lossless secret image and reverse the stego image to the original ...the shadows can be successfully camouflaged in the cover ... See full document

... Secret image sharing with reversible steganography 作者: Chang, Chin-Chen;Lin, Pei-Yu;Chan, Chi-Shiang 貢獻者: Department of Information Science and Applications 關鍵詞: Artificial intelligence;Computer ... See full document

... Secret image sharing with steganography and authentication 作者: ...Secret image sharing;Steganography;Authentication;Camouflage image;Data hiding;Stego-image;Fragile ... See full document

... secret image sharing based on a ðk; nÞ-threshold scheme with the additional capabilities of steganography and authentication is ...secret image is first processed into n shares which are then ... See full document

... 摘要: A novel approach to secret image sharing based on a (k,n)-threshold scheme with the additional capability of share data reduction is proposed.. A secret image is first transformed[r] ... See full document

... the size of the data that must be shared, and guarantees the quality of the recovered image in the mean ...for sharing is re- stricted to be just the DC value, and so the amount of information to be ... See full document

... two-layer sharing. Compared with previously reported methods, our specialty is that the tampered region can be recovered as long as the percentage of the tampered blocks does not ex- ceed a pre-defined ... See full document

... the size of the secret image becomes larger, and the quality of the expanded secret image becomes ...secret sharing scheme, where the concept of probability is employed to pick out pixels from ... See full document

... secret image among n shad- ows: any t of the n shadows can recover the secret, whereas t − 1 or fewer shadows ...than an ordinary employee’s ...multiple shadows in ...many ... See full document

... compared with the existing secret image sharing ...scheme with that of related ...secret image can be reconstructed lossless. And the proposed secret image sharing scheme ... See full document

... secret sharing technique by encrypting m successively pixels to remove the problem of pixel ...continuous-tone image into a binary image and can generate the similar effect as the gray-level images, ... See full document

... practicability. In this article, we provide a novel version that employs the modulus operator to embed the secret share into a host image. The simulator shows that the modulus operator is useful for decreasing ... See full document

... the size of each stego image was 2=t or 4=t of that of the secret ...of size ex- pansion, we present in this work a new method in which the size of the stego image (which contains the ... See full document

... Unlike other threshold schemes, VSS scheme can be easily decoded by the human visual system without the knowledge of cryptography and cryptographic computations. However, the size of shadow images (i.e., the ... See full document

... the image transmission speed and signal-to-noise ...given image were segmented into blocks with smaller block size, and the background regions of the image were assigned larger block ... See full document