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Method and device for visualizing high-dimensional data

A high-dimensional data and dimensionality technology, applied in the field of high-dimensional data visualization methods and devices, can solve problems such as the inability to observe or analyze the spatial position relationship of high-dimensional data

Active Publication Date: 2012-10-03
CENT FOR EARTH OBSERVATION & DIGITAL EARTH CHINESE ACADEMY OF SCI
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Problems solved by technology

[0003] In view of this, the present invention provides a high-dimensional data visualization method and device, the purpose of which is to solve the problem that the existing high-dimensional data visualization methods cannot observe or analyze the spatial position relationship of high-dimensional data in the original high-dimensional space question

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  • Method and device for visualizing high-dimensional data

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Embodiment Construction

[0045] The present invention provides a high-dimensional data visualization method, the core invention of which is to determine a preset number of projection planes of the high-dimensional data according to the pre-input high-dimensional data, and the projection planes have the same axial vector , respectively projecting the high-dimensional data onto the projection planes, and continuously displaying the preset number of projection planes in the same preset coordinate system. Because the preset number of projection planes have the same axial vector, when continuous display is performed in the same preset coordinate system, it can be presented that the axial vector is used as the rotation axis and all projection planes rotate around the rotation axis The display effect realizes the purpose of displaying the positional relationship of high-dimensional data in high-dimensional space.

[0046] The following will clearly and completely describe the technical solutions in the embod...

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Abstract

The invention provides a method and a device for visualizing high-dimensional data. The method comprises the following steps: determining projection planes of the pre-set number of the high-dimensional data according to the pre-input high-dimensional data, wherein the projection planes have same axial vectors; respectively projecting the high-dimensional data to the projection planes; and continuously displaying the projection planes on which the pre-set number of the high-dimensional data is projected in a same pre-set coordinate system. Because the projection planes have the same axial vectors, dynamic display effects that the different projection planes are rotated around the axial vectors which are adopted as rotary shafts are produced while the projection planes are continuously displayed, and the space position relationship of the high-dimensional data in an original high-dimensional space can be displayed.

Description

technical field [0001] The invention relates to the field of pattern recognition, in particular to a high-dimensional data visualization method and device. Background technique [0002] In pattern recognition, it usually involves processing or classifying high-dimensional data. High-dimensional data can be regarded as points in high-dimensional Euclidean space. In order to facilitate the study of high-dimensional data, it is generally necessary to perform dimension reduction processing, such as The data in the 5-dimensional space is projected onto different two-dimensional planes. The existing high-dimensional data visualization methods can only display the different two-dimensional planes after projection. Through the display results, it can be observed that the high-dimensional data is in different planes. The distribution state on the two-dimensional projection plane, but the spatial position relationship of high-dimensional data in the original high-dimensional space can...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14G06F17/30
Inventor 张兵高连如孙旭高建威吴远峰申茜
Owner CENT FOR EARTH OBSERVATION & DIGITAL EARTH CHINESE ACADEMY OF SCI
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