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Median filtering method and system for quantum color image

A color image and quantum image technology, applied in the field of quantum computing, can solve problems such as multiple quantum ratios and complex quantum circuits, and achieve the effects of reducing the number of qubits, improving performance, and reducing redundant quantum components

Pending Publication Date: 2022-05-13
CHONGQING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

At present, the quantum image median filter is in the processing of grayscale images and the overall quantum circuit generated by it is complex, which makes the use of more qubits. Therefore, how to use the unique parallelism of quantum to design a more efficient quantum color image median filter The program is a topic worthy of further exploration

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  • Median filtering method and system for quantum color image
  • Median filtering method and system for quantum color image
  • Median filtering method and system for quantum color image

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Embodiment 1

[0060] like figure 1 As shown, this embodiment provides a median filtering method for a quantum color image, including the following steps:

[0061] S1. Based on the QRMW (Quantum representation of multi wavelength images) quantum model, prepare the quantum color image to be processed and the QRMW expression of its eight-neighbor color image, whose expression is shown in formula (1);

[0062]

[0063] where |I> denotes a quantum color image, represents the pixel value, |ch λ > represents the color channel, and |YX> represents the position information.

[0064] Specifically, the preparation process includes:

[0065] S11. Acquire basic information of the quantum color image to be processed, where the basic information includes grayscale information of the image, size information of the image, pixel position information, and color channel information;

[0066] S12, performing a cyclic shift on the quantum color image to be processed to obtain eight neighborhood color ima...

Embodiment 2

[0117] This embodiment provides a median filtering system for quantum color images, including:

[0118] The quantum image preparation module is used to prepare the quantum color image to be processed and the QRMW expression of its eight-neighborhood color image;

[0119] The median filter module is used to find the median value of the prepared quantum color image and its eight-neighborhood color image according to the quantum circuit of the quantum color image median filter algorithm, and obtain the quantum color image expression;

[0120] The quantum image restoration module is used to measure the quantum color image expression, obtain the information of each component from the quantum image expression, and convert it into a quantum color image according to the information of each component.

[0121] Further, the median filter module includes:

[0122] The quantum comparator is used to compare and sort the three pixels in each row and each column in the 3×3 filter template i...

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Abstract

The invention discloses a median filtering method and system for a quantum color image. The method comprises the steps of preparing a quantum color image to be processed and a QRMW expression of an eight-neighborhood color image of the quantum color image to be processed; according to a quantum circuit of a quantum color image median filtering algorithm, performing median searching on the prepared quantum color image and eight neighborhood color images thereof to obtain a quantum color image expression; measuring the quantum color image expression, acquiring information of each component from the quantum image expression, and converting the quantum color image into a quantum color image according to the information of each component; according to the method, nine color images are subjected to quantum preparation at the same time, auxiliary quantum bits in a quantum circuit are multiplexed, meanwhile, an auxiliary image is added to reduce the number of the quantum bits in the quantum circuit and reduce redundant quantum elements, and the performance of a quantum image expression algorithm is greatly improved; the quantum color image median filtering algorithm can be realized on a quantum simulator.

Description

technical field [0001] The invention belongs to the field of quantum computing, in particular to a method and system for median filtering of quantum color images. Background technique [0002] Quantum image processing is an interdisciplinary subject that combines quantum computing and visual information processing. It prepares algorithms for the popularization of quantum computers. The main object of processing is visual data, and it is also the core subject of many application fields. Different from classical image processing, quantum image processing is an interdisciplinary subject that integrates quantum mechanics, computer science and information science. The parallelism, superposition and measurement uncertainty of quantum image processing are the fundamental factors superior to classical image processing. [0003] Median filtering of images is an important preprocessing step in image processing. In the process of transmission and use of digital images, due to the imp...

Claims

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Application Information

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IPC IPC(8): G06T5/00
CPCG06T5/70
Inventor 袁素真卿显荣乔治钦张晓蕾吕元元邓贵源诸海渝何雨桐刘菁田小江李顺龙李俊希胡清翔邓文皙
Owner CHONGQING UNIV OF POSTS & TELECOMM
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