Image encoding method, image decoding method, image encoding device and image decoding device

An image encoding and image decoding technology, applied in the field of information processing, can solve problems such as high mismatch rate, inability to achieve image accuracy, and local window recovery errors.

Active Publication Date: 2019-05-24
SUZHOU HONGXUN BIOTECH CO LTD
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Problems solved by technology

[0004] With the development of the Internet, people's demand for high-definition images is also increasing. Using DNA as a storage medium to store image data directly has the following disadvantages: the compression rate of information is low, and the encoding of images will generate a large number of nucleic acid sequences. , resulting in heavy synthesis workload and high cost; low flexibility, that is, to encode an image, all the nucleic acid sequences corresponding to the image need

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  • Image encoding method, image decoding method, image encoding device and image decoding device
  • Image encoding method, image decoding method, image encoding device and image decoding device
  • Image encoding method, image decoding method, image encoding device and image decoding device

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[0129] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0130] In order to make it easier for those skilled in the art to understand the technical solutions provided by the embodiments of the present disclosure, the technical environment in which the technical solutions are implemented is firstly described below.

[0131] As a storage medium, DNA has the advantages of small size, high density and long-term storage, and can be used as a new ...

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Abstract

The invention relates to an image encoding method, an image decoding method, an encoding device and a decoding device. The method comprises the following steps: carrying out one-stage or multi-stage decomposition on an original image through a wavelet transformation function to obtain wavelet transformation coefficients corresponding to pixel data of a plurality of sub-images and the levels of thesub-images; determining an effective value of the wavelet transform coefficient according to the wavelet transform coefficient and the level of the sub-image corresponding to the wavelet transform coefficient; determining a coded DNA sequence of the wavelet transform coefficient according to a corresponding relation between the DNA base sequence and numbers and the effective numerical value; andaccording to the level of the sub-image, connecting the coded DNA sequence of the wavelet transform coefficient, and determining the coded DNA sequence of the original image. The image compression ratio is high, the digital representation can comprise a binary system number or more, the probability that four basic bases continuously appear can be reduced, and therefore the DNA synthesis difficultyis reduced.

Description

technical field [0001] The present disclosure relates to the technical field of information processing, and in particular, to an image encoding method, a decoding method, an encoding device, and a decoding device. Background technique [0002] With the development of life science technology, as well as the cross-development of life science and other science and technology, it is possible to use genetic material deoxyribonucleic acid (DNA) as a storage medium. The development of DNA synthesis and sequencing technology provides technical support for it to become a digital storage carrier. Digital information DNA storage refers to storing digital information in the base sequence of DNA. This technology uses a DNA synthesizer to artificially synthesize DNA for storage, and uses a DNA sequencer to read the stored information. As a storage medium, DNA has the following advantages compared with the existing magnetic tape or hard disk storage medium: First, the DNA body is extremel...

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Application Information

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IPC IPC(8): H04N19/60H04N19/63H04N19/186H04N19/182
CPCH04N19/182H04N19/186H04N19/60H04N19/63
Inventor 吴婷婷侯强波蔡晓辉杨平
Owner SUZHOU HONGXUN BIOTECH CO LTD
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