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Type conversion design method from quantum image to quantum real signal

A type conversion, quantum image technology, applied in the direction of quantum computer, calculation, calculation model, etc.

Inactive Publication Date: 2018-08-10
GUANGXI NORMAL UNIV
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Problems solved by technology

[0033] The invention provides a design method for type conversion from quantum image to quantum real signal, including a design method for type conversion from quantum grayscale image to quantum 2-dimensional real signal and a type conversion method from quantum color image to quantum 2-dimensional three-channel real signal Design methods to solve the type conversion problem from quantum images to quantum real signals, so as to use quantum signal processing techniques (such as quantum wavelet transform) to process quantum images

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  • Type conversion design method from quantum image to quantum real signal
  • Type conversion design method from quantum image to quantum real signal
  • Type conversion design method from quantum image to quantum real signal

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Embodiment Construction

[0076] The present invention will be further described below in conjunction with embodiment.

[0077] A type conversion design method from quantum images to quantum real signals, said method uses quantum controlled gates and single-qubit gates to construct a type conversion from quantum grayscale images to quantum 2-dimensional real signals according to the IEEE 754 international standard And quantum circuits for type conversion from quantum color images to quantum 2D three-channel real signals.

[0078] The implementation process of type conversion from quantum grayscale image to quantum 2D real signal is as follows:

[0079] A grayscale can be represented by 8 qubits:

[0080] |f(x,y)>=|c 8 c 7 c 6 c 5 c 4 c 3 c 2 c 1 > (15)

[0081] where c i ∈{0,1},i=1,...,8;

[0082] n+8 qubits can represent a grayscale image:

[0083]

[0084] Where |f(x,y)>represents the gray value of the image at coordinates (x,y), |x>represents the x-coordinate of the signal, |y> repre...

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Abstract

The invention provides a type conversion design method from a quantum image to a quantum real signal, which belongs to the field of quantum signal processing. A quantum controlled gate and a single quantum bit gate are used, according to IEEE754 international standard, quantum circuits for the type conversion from a quantum gray image to a quantum two-dimensional real signal and the type conversion from a quantum color image to a quantum two-dimensional three-channel real signal are built, and necessary foundation is provided for later quantum signal processing (for example, application of quantum wavelets to the quantum image). The efficiency of quantum information processing in signal processing is reflected, and the complexities of the quantum circuits for the type conversion from a quantum gray image to a quantum two-dimensional real signal and the type conversion from a quantum color image to a quantum two-dimensional three-channel real signal are both O(1).

Description

technical field [0001] The invention relates to the field of quantum signal processing, in particular to a design method for type conversion from quantum images to quantum real signals. Background technique [0002] Quantum signal processing is the product of the combination of quantum computing and signal processing technology. The parallelism and superposition of quantum computing is the fundamental reason why quantum signal processing is superior to classical signal processing. An image is an integer signal, so quantum image processing is a subfield of quantum signal processing. [0003] In quantum computing, the information unit is represented by a qubit, which has two basic quantum states |0> and |1>, and the basic quantum state is called the ground state for short. A qubit can be a linear combination of two ground states, often called a superposition state, which can be expressed as |ψ>=a|0>+b|1>, where a and b are two complex numbers. [0004] Tensor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N99/00
CPCG06N10/00
Inventor 黎海生范萍夏海英
Owner GUANGXI NORMAL UNIV
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