A fast quantum mechanical algorithm for database search
STOC '96 Proceedings of the twenty-eighth annual ACM symposium on Theory of computing
Quantum computation and quantum information
Quantum computation and quantum information
Quantum Wavelet Transforms: Fast Algorithms and Complete Circuits
QCQC '98 Selected papers from the First NASA International Conference on Quantum Computing and Quantum Communications
Digital image watermarking capacity and detection error rate
Pattern Recognition Letters
Image complexity and feature mining for steganalysis of least significant bit matching steganography
Information Sciences: an International Journal
Algorithms for quantum computation: discrete logarithms and factoring
SFCS '94 Proceedings of the 35th Annual Symposium on Foundations of Computer Science
Proceedings of the 6th ACM conference on Computing frontiers
Secure reversible visible image watermarking with authentication
Image Communication
Processing images in entangled quantum systems
Quantum Information Processing
Estimating watermarking capacity in gray scale images based on image complexity
EURASIP Journal on Advances in Signal Processing
Quantum Information Processing
Strategies for designing geometric transformations on quantum images
Theoretical Computer Science
Watermarking and authentication of quantum images based on restricted geometric transformations
Information Sciences: an International Journal
Quantum Circuit Simplification and Level Compaction
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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A scheme is proposed to watermark and recover unmarked greyscale images on quantum computers. The hitherto inaccessible data from a quantum image-watermark pair is extracted from their classical conventional or non-quantum versions using which two quantum sub-circuits are used to execute the two-tier transformations comprising of changes that: 1 embed a visible and translucent watermark logo in a predetermined sub-area of the quantum replica of the cover image; 2 modify the remaining content of the cover image in a manner dictated by the watermark signal, so that the resulting distortions on the watermarked image are not easily discernible. Classical simulations of the image-watermark pairs and the various sub-circuits required to obtain the marked and unmarked images demonstrate the feasibility of the proposed scheme when the necessary quantum hardware are realised. The proposal advances available literature geared towards safeguarding quantum resources from unauthorised reproduction and confirmation of their proprietorship in cases of dispute thereby leading to commercial applications of quantum information.