Curve data acquisition method, device and system based on color gamut characteristics

A technology of curve data and collection method, applied in image data processing, 2D image generation, extraction from basic elements, etc.

Inactive Publication Date: 2019-04-23
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

The data extraction method used by this product is still based on the overall extraction of curve features, so its data will still be affected by interference such as grids
Although the method of sequentially selecting the eigenvalues ​​on the data curve that are cl

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  • Curve data acquisition method, device and system based on color gamut characteristics
  • Curve data acquisition method, device and system based on color gamut characteristics
  • Curve data acquisition method, device and system based on color gamut characteristics

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Embodiment Construction

[0090] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on one or more embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of the embodiments of this specification.

[0091] At present, commonly used data processing software such as Dagra, Engauge, GetData, etc. adopt the identification method to pick up the curve features of the entire area, which cannot solve the interference caused by the reference grid line, resulting in low accuracy of collected data. The embodiment of this specification pr...

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Abstract

The embodiment of the invention discloses a curve data acquisition method, device and system based on color gamut characteristics. The method comprises the steps of selecting a pretreatment area froma logging curve graph, wherein the pretreatment area at least comprises a part of the logging curve; removing interference data from the preprocessing area, wherein the interference data at least comprises grid line data and background color data; obtaining color feature data of pixels in the preprocessing area with the interference data removed, and determining a pixel feature search range basedon the color feature data; and obtaining a pixel point set conforming to the pixel feature search range from the logging curve graph, and determining the extracted logging curve data. By utilizing theembodiment of the invention, the curve with the color gamut characteristics can be quickly and accurately identified, so that high-precision data can be obtained.

Description

technical field [0001] The embodiments of this specification belong to the technical field of computer data processing, and in particular relate to a method, device and system for collecting curve data based on color gamut characteristics. Background technique [0002] At present, commonly used data processing software such as Dagra, Engauge, GetData, etc. adopt the identification method to pick up the curve features of the entire area, which cannot solve the interference caused by the reference grid line, resulting in low accuracy of collected data. For example, Dagra software mainly uses curve features to identify curves. First, the table is cut out from the material, and then the horizontal and vertical coordinates are selected and named and the range is determined through the coordinate tool. Finally, the key points on the curve are selected and pulled. The control points on both sides of the point and the influence lines at the key points are used to extract data. Amon...

Claims

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Application Information

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IPC IPC(8): G06T11/20
CPCG06T11/203
Inventor 叶智慧王涵陈冬朱丹丹
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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