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Device, method, and program for visualization of multi-dimensional data

一种多维度数据、维度的技术，应用在多维度数据可视化设备领域

Active Publication Date: 2015-06-24
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the main challenge associated with visualization techniques lies in implementing methods for visualizing high-dimensional data

Method used

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  • Device, method, and program for visualization of multi-dimensional data
  • Device, method, and program for visualization of multi-dimensional data
  • Device, method, and program for visualization of multi-dimensional data

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Embodiment Construction

[0032] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings.

[0033] The multidimensional data visualization device according to the present invention creates a plurality of PCPs of lower dimensions than the number of dimensions of the multidimensional data from multidimensional data (hereinafter such PCPs are also referred to as "low-dimensional PCPs" or "low-dimensional parallel coordinates"). picture"). Multi-dimensional data visualization equipment arranges multiple low-dimensional PCPs on the screen to visualize multi-dimensional data, such as figure 1 shown in the diagram.

[0034] When the plurality of low-dimensional PCPs are arranged on the screen, the multidimensional data visualization device according to the present invention arranges the low-dimensional PCPs having similar characteristics close to each other. Therefore, the relationship between the input dimensions (dimensions in the input multidimensio...

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Abstract

Provided is a device for visualization of multi-dimensional data that makes it possible to visualize the distribution of data in an input space for high-dimensional data such that the relationship between input dimensions can be understood. Using inputted multi-dimensional data, a low-dimensional parallel coordinates plot generation means (71) generates a plurality of low-dimensional parallel coordinates plots that are charts in which data related to the dimensions of a section of the multi-dimensional data is represented as a parallel coordinates plot. For each set comprising a pair of low-dimensional parallel coordinates plots, a feature amount calculation means (72) calculates a feature amount that represents the relationship between the parallel coordinates plots that make up the set. A coordinate calculation means (73) calculates the coordinates for arranging each low-dimensional parallel coordinates plot on the basis of the feature amount calculated by the feature amount calculation means (72).

Description

technical field [0001] The invention relates to a multidimensional data visualization device, a multidimensional data visualization method and a multidimensional data visualization program. The present invention specifically relates to a multi-dimensional data visualization device, method and program for visualizing the distribution of high-dimensional data by representation by multiple PCPs (Parallel Coordinates Plot), all of which are difficult for humans to recognized once. Background technique [0002] With the rapid development of data infrastructure in recent years, one of the major problems in industry lies in the efficient processing of large data and large volumes of data. In data analysis, it is very important for the analyst to understand the distribution and statistical properties of the data. Data visualization techniques are important for this purpose. In a case where the number of dimensions of data is more than 3, the data cannot be directly visualized usi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/26G06F18/2135G06F16/285G06F16/248G06F16/283
Inventor 森永聪河原吉伸伊藤贵之郑云珠末松遥
Owner NEC CORP
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