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Type conversion design method from quantum real signal to quantum image

A technology of type conversion and design method, applied in computing, computing models, instruments, etc., can solve problems such as inability to convert quantum real signals to quantum images.

Inactive Publication Date: 2018-09-18
GUANGXI NORMAL UNIV
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Problems solved by technology

[0033] The invention provides a design method for type conversion from quantum real signal to quantum image, including a design method for type conversion from quantum 2-dimensional real signal to quantum grayscale image and a type conversion method from quantum 2-dimensional three-channel real signal to quantum color image The design method solves the technical problem that the traditional method cannot convert the type of quantum real signal to quantum image, so that quantum image processing technology can be used to process the converted quantum image

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

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Embodiment Construction

[0068] The present invention will be further described below in conjunction with embodiment.

[0069] A design method for type conversion from quantum real signals to quantum images utilizing quantum controlled gates and single qubit gates. According to the IEEE 754 international standard, a quantum circuit for type conversion from quantum 2D real signal to quantum grayscale image and type conversion from quantum 2D three-channel real signal to quantum color image is constructed.

[0070] The implementation process of the type conversion from quantum 2-dimensional real signal to quantum grayscale image is as follows:

[0071] Use 8 qubits to represent a gray level:

[0072] |f(x, y)>=|c 8 c 7 c 6 c 5 c 4 c 3 c 2 c 1 > (15)

[0073] where c i ∈ {0, 1}, i=1, . . . , 8.

[0074] n+8 qubits represent a grayscale image:

[0075]

[0076] Where |f(x, y)> represents the gray value of the image at coordinates (x, y), |x> represents the x coordinate of the signal, |y> r...

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Abstract

The invention provides a type conversion design method from a quantum image to a quantum real signal, and belongs to the field of quantum signal processing. According to the invention, a quantum controlled gate and a single-quantum-bit gate are utilized. According to the IEEE 754 international standard, a quantum circuit for converting the type of a quantum grayscale image into a quantum two-dimensional real signal and converting the type of a quantum color image into a quantum two-dimensional and three-channel real signal is constructed. As a result, a necessary foundation is provided for thesubsequent processing of a quantum signal (for example, the quantum wavelet is applied to the quantum image). According to the invention, the efficient performance of the quantum information processing in signal processing is embodied. The quantum line complexity of the type conversion of the quantum grayscale image to the quantum two-dimensional real signal and the type conversion of the quantumcolor image to the quantum two-dimensional three-channel real signal is 0 (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 real signals to quantum images. 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 ...

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Application Information

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