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Data storing and addressing method for regular hexagon sample grid

A regular hexagon, sampling data technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as inconsistency with the coordinate system

Inactive Publication Date: 2013-02-13
HENAN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

There is also a storage scheme, which uses two arrays to store odd row data and even row data separately [5] , the advantage is that the odd and even rows can be uniformly addressed and processed, but the number of coordinates is three, which is inconsistent with the coordinate system. Therefore, a fundamental change occurs in the algorithm expression

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  • Data storing and addressing method for regular hexagon sample grid
  • Data storing and addressing method for regular hexagon sample grid
  • Data storing and addressing method for regular hexagon sample grid

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] right figure 1 The rectangular-shaped simulated image (11) is sampled in a regular hexagonal grid (14) to obtain the corresponding sampled data (12); assuming that the sampled data has a total of nR lines, and each line has nC sampled data, that is, odd-numbered lines and even-numbered lines The sampling numbers of the rows are equal; then the sampling data is stored in (15) a two-dimensional array (13), and the size of the two-dimensional array is nR rows and nC columns, and it is also stipulated that the starting positions of the rows and columns are both 0; The row is used as the unit to establish the correspondence between the sampling data and the storage space of the two-dimensional array, and the sampling points in each row correspond to the corresponding row storage units of the two-dimensional array in turn, as shown in (16).

[0027] In the processi...

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Abstract

The invention discloses a storing and addressing method for sample data of a regular hexagon grid. The method is based on the storing and addressing of the regular hexagon grid sample data of rectangular analog image. In the regular hexagon sample, sample vectors are not orthogonal with each other, so that a big obstacle is brought to the storing and addressing of the data. According to the data storing and addressing method for the regular hexagon sampling grid, a middle module is used for separating the coordinate positioning of the sample data from digit group storage, and operation to the data in the storage digital group is finished by the middle module, so that the contradiction of arithmetic between theory and the actual data storage is avoided.

Description

technical field [0001] The invention relates to a method for storing and addressing regular hexagonal sampling data, in particular to the storage and addressing of regular hexagonal sampling data for rectangular images. It belongs to the technical field of signal processing and image processing. Background technique [0002] Now we are in the digital age, that is, the signal is in digital form, and it is processed digitally. In reality, most of the commonly used signals (such as voice signals, sound signals, image signals, etc.) are analog signals. Therefore, it is generally necessary to use an analog-to-digital converter (A / D) to convert them into digital signals, and then store the digital signals. with processing. [0003] For the sampling of analog image signals, it is different from the sampling of sound signals. The sound signal is a one-dimensional signal, and only one constant (sampling period or sampling frequency) is needed to describe the sampling parameters fo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 李相国
Owner HENAN UNIVERSITY OF TECHNOLOGY
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