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Detection Method of Spatial Distribution of Biological Quality Index Based on Unbiased Estimation Method of Pixel Index

A technology of distribution detection and partial estimation, applied in image analysis, calculation, genetic model, etc., can solve problems such as inability to obtain pixel position index reference value, inability to verify pixel index detection results, etc., and achieve the effect of simplifying operation and saving time

Active Publication Date: 2018-06-01
沛县汉腾建设发展有限公司
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Problems solved by technology

Due to the limitations of detection methods, it is often impossible to obtain the index reference value of the pixel position, so it is impossible to directly verify the detection results of the pixel index

Method used

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  • Detection Method of Spatial Distribution of Biological Quality Index Based on Unbiased Estimation Method of Pixel Index
  • Detection Method of Spatial Distribution of Biological Quality Index Based on Unbiased Estimation Method of Pixel Index
  • Detection Method of Spatial Distribution of Biological Quality Index Based on Unbiased Estimation Method of Pixel Index

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Embodiment Construction

[0044] A method for detecting the distribution of biological quality indicators based on unbiased estimation of pixel indicators and spectral image analysis. The steps include:

[0045] 1) Establish a regional spectral prediction model library for traditional detection indicators;

[0046] 2) Collect spectral images of the measured object;

[0047] 3) Preprocessing the spectral image obtained in step 2);

[0048] 4) Extract the effective detection area in the spectral image from the spectral image obtained in step 3);

[0049] 5) Use step 1) to obtain the corresponding regional spectrum prediction model in the model library, and perform pixel index detection on the effective detection area obtained in step 4);

[0050] 6) Perform statistical verification on the pixel index detection results obtained in step 5) to obtain a qualified pixel index prediction model;

[0051] 7) Evaluate the detection accuracy of each qualified pixel index prediction model obtained in step 6), and select the be...

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Abstract

The invention relates to a detection method for spatial distribution of biological quality indexes based on a pixel index unbiased estimation method. The detection method comprises the following steps: respectively or comprehensively assessing the biological quality indexes by virtue of the spatial distribution information and spectral signature information reflecting the to-be-detected object characteristics contained in a spectrum image, and presenting the result statistical data in the index spatial distribution diagram and distribution diagram in a visual mode through the detection result. The detection method provided by the invention can be used for quick and non-contact detection of the distribution of the biological quality indexes, the detection result is accurate and objective, the expression mode is direct, and thus a guarantee method for quality safety supervision of production and sale is supplied.

Description

Technical field [0001] The present invention relates to a method for biological quality detection, in particular to non-contact detection of biological quality based on pixel spectra, and a method for visualizing the detection results to present index spatial distribution maps and result statistical data in the distribution maps, belonging to biological non-destructive Detection technology field. Background technique [0002] Spectral detection technology can realize the non-contact internal quality detection of the test object, which is applied to the rapid detection of biological quality. For example, the average spectral data of the measured object is output to the spectrum for spectral detection through a focusing lens and optical fiber; this type of method belongs to "point" detection, or "average" detection, and quality detection can only be made based on spectral spatial information, because there is no space Therefore, it is impossible to detect the spatial distribution ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/25G06F17/18G06N3/12G06N5/02G06T5/00G06T7/13
CPCG01N21/25G06F17/18G06N3/126G06N5/022G06T5/002G06T2207/20032
Inventor 汪希伟赵茂程闫姗姜奕雯居荣华
Owner 沛县汉腾建设发展有限公司
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