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In this paper, to achieve high payload and high efficiency, the AMBTC blocks are classified into four block types. The corresponding data hiding methods are designed for each block type so that the size of stego AMBTC compression codes will not cause ...

In this paper, a novel reversible data hiding scheme for encrypted images based on interpolation technique and substitution is proposed. With our proposed scheme, the distribution of neighboring pixels in the encrypted image is relatively uniform, ...

With the development of cloud computing, reversible data hiding in encrypted images (RDHEI) has attracted increasing attention. In this paper, a high-performance RDHEI algorithm with Adaptive Huffman Code (RDHEI-AHC) is proposed for ...

Nowadays, images are circulated rapidly over the internet and they are subject to some risk of misuses. To address this issue, various watermarking methods are proposed in the literature. However, most conventional methods achieve a certain trade-...

There are two challenges for wall-climbing robots in the maintenance and inspection of large vertical ferromagnetic structures: the requirement of high load capacity and the curved appearance of the wall. An improved magnetic crawler ...

• We propose a novel data hiding technique using adaptive difference recovery (ADR).
• We design an efficient RDHEI method using the ADR-based technique.
• The proposed RDHEI method outperforms some state-of-the-art RDHEI methods in ...

Vacating room after encryption (VRAE) is a popular framework of reversible data hiding for encrypted images (RDHEI). Most VRAE based RDHEI methods do not make a desirable payload. To address this issue, this paper proposes a novel data hiding ...

In this paper, we propose an efficient steganography method in the compressed codes of absolute moment block truncation coding (AMBTC). Many recent related schemes focus on implementing reversible data hiding in compressed AMBTC bit stream. ...

Failure detection of high facilities always presents a tremendous challenge. Climbing-wall robot with detection capacity has become a main approach. But owing to their limitations in overcoming obstacles and complicated wall situation, ...

• An anti-overturning mechanism and a double-linked module mechanism are developed.

In this paper, a novel information hiding scheme based on pseudo magic squares is proposed. The pseudo magic square pattern is generated using the Knight's move algorithm, whereas diamond encoding (DE) and adaptive pixel pair matching (APPM) embedding ...

Proposed five layers of protection.Extract byte characteristics.Construct image segmentation.Learning system.Embedding and extracting secret message. A new steganography algorithm based on five protection layers has been suggested in this paper for ...

This paper presents an improved image steganography scheme based on absolute moment block truncation coding (AMBTC). The purpose of the proposed scheme is to achieve high payload, good visual quality and low computation complexity at the same time. In ...

Display Omitted By analysis of statistical properties of adjacent pixels as well as image interpolation techniques, a novel interpolation method is put forward.Under the conditions of ensuring the image quality, the proposed image interpolation method ...

This paper presents a high payload data-hiding scheme for audio signals following the OFDM concept. It is based on changing the phase component of the audio signal via a reduced-arc M-order Phase Shift Keying (MPSK) modulator on selected frequency ...

This paper proposes a collusion resilient optimized spread spectrum (SS) image watermarking scheme using genetic algorithms (GA) and multiband (M-band) wavelets. M-band decomposition of the host image offers advantages of better scale-space tiling and ...

This paper presents a new climbing robotic mechanism for high-payload climbing and wall-to-wall transitioning. Payload capacity and transition ability are very important in climbing-robot applications for heavy industries and construction industries. ...

This article presents a brief review on non-blind and blind spread spectrum (SS) watermarking developed for multimedia signals. The discussion gradually moves from zero-rate embedding to high payload and variable embedding systems that take into ...