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A visual exploration method and system for color embedding

A color and color table technology, applied in the field of human-computer interaction, can solve the problems of unfavorable data visual exploration, low efficiency, limited number of colors, etc., and achieve the effect of improving the overall distinguishability

Active Publication Date: 2022-07-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above algorithm can provide more visual information for specific numerical regions (such as high-density numerical regions and high-border regions, etc.), due to the limited number of colors in the original color table, it is inevitable to reduce the color encoding other numerical regions. It is difficult to achieve a global balance, which is not conducive to data visual exploration
Although some methods provide interactive methods such as region-of-interest selection (ROI, region-of-interest), due to the relatively complex optimization process, the calculation time is relatively long, and the efficiency in large-scale data exploration is relatively low.

Method used

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  • A visual exploration method and system for color embedding
  • A visual exploration method and system for color embedding
  • A visual exploration method and system for color embedding

Examples

Experimental program
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Effect test

Embodiment 1

[0056] like figure 1 As shown, this embodiment provides a visual exploration method for color embedding. In this embodiment, the method is applied to a server for illustration. It can be understood that this method can also be applied to a terminal, and can also be applied to a terminal including a terminal. And servers and systems, and through the interaction of terminals and servers. The server can be an independent physical server, a server cluster or a distributed system composed of multiple physical servers, or a cloud service, cloud database, cloud computing, cloud function, cloud storage, network server, cloud communication, intermediate Cloud servers for basic cloud computing services such as software services, domain name services, security services CDN, and big data and artificial intelligence platforms. The terminal may be a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc., but is not limited thereto. Th...

Embodiment 2

[0087] This embodiment provides a color-embedded visual exploration system.

[0088] A color-embedded visual exploration system, characterized in that it includes:

[0089] an input module configured to: obtain imported two-dimensional scalar field data;

[0090] Among them, the input module: the user imports his own two-dimensional scalar field data on the interactive interface. The two-dimensional scalar field data refers to scalar data in two-dimensional space, such as temperature distribution on the earth grid plane, medical CT photos, etc.; such as figure 2 shown in area B.

[0091] a mapping module configured to: map the selected initial color table onto the two-dimensional scalar field data;

[0092] Among them, the mapping module: This module contains 70 built-in color tables, covering 50 commonly used perceptual linear color tables, 9 color tables dispersed at both ends, and 11 multi-tone nonlinear color tables, including grayscale color tables, rainbow color tabl...

Embodiment 3

[0127] This embodiment provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the steps in the visual exploration method for color embedding described in the first embodiment above.

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Abstract

The invention belongs to the technical field of human-computer interaction, and provides a visual exploration method and system for color embedding. The method includes: acquiring two-dimensional scalar field data; mapping a selected initial color table to the two-dimensional scalar field data; embedding one or more colors into the color embedding positions in the initial color table of the two-dimensional scalar field data; The embedded color table is mapped to the 2D scalar field data to output a color-optimized visualization.

Description

technical field [0001] The invention belongs to the technical field of human-computer interaction, and in particular relates to a visual exploration method and system for color embedding. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The exploration of scalar field data is an important task in scientific data visualization. For example, changes in ocean currents are closely related to the salinity and temperature of seawater. Color is an indispensable visual coding element for expressing scalar field data, and it is the most widely used. Color visualization generates a visual image rich in visual information by establishing the mapping relationship between the colormap and the data (that is, the color map). However, due to the limited number of colors in the color table, the diversity of scalar field data and pattern features, it is di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V10/56G06V10/50G06T7/90
CPCG06T7/90G06T2207/10024G06T2207/10004G06V10/507G06V10/56
Inventor 曾琼赵勇威汪云海钟凡屠长河
Owner SHANDONG UNIV
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