Patent ID: 11902430
Assignee: SHANGHAI MARITIME UNIVERSITY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The quantum color image encrypting circuit based on the quantum color image encrypting method that is based on modification direction according to claim 8, comprising:
a quantum parallel adder,
the quantum parallel adder performing steps of computing the value of the first extract function and computing the value of the second extraction function;
a quantum comparator module determining whether the coordinate position of the carrier image is equal to the coordinate position of the secret data image, and comparing whether a size of the secret data is equal to the value of the first extract function;
a quantum parallel subtractor configured for computing a difference between the secrete data and the first extract function;
a cyclic shift add 1 quantum modular circuit performing a corresponding add 1 operation on the pixel group in the carrier image based on the difference; and
a cyclic shift subtract 1 quantum modular circuit performing a corresponding subtract 1 operation based on the difference.