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Detection method for spatial distribution of biological quality indexes based on pixel index unbiased estimation method

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: 2016-08-17
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 for spatial distribution of biological quality indexes based on pixel index unbiased estimation method
  • Detection method for spatial distribution of biological quality indexes based on pixel index unbiased estimation method
  • Detection method for spatial distribution of biological quality indexes based on pixel index unbiased estimation method

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Embodiment Construction

[0044] A biological quality index distribution detection method based on the unbiased estimation method of pixel index 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) for the spectral image obtained in step 3), extract the effective detection area in the spectral image;

[0049] 5) Utilize step 1) to obtain the corresponding regional spectral prediction model in the model library, and carry out pixel index detection to the effective detection area obtained in step 4);

[0050] 6) Statistically verify the pixel index detection results obtained in step 5), and 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 optimize the best p...

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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 invention relates to a method for biological quality detection, in particular to non-contact detection of biological quality based on pixel spectrum, and a method for visually presenting the spatial distribution map of indicators and the statistical data of the results in the distribution map for the detection results, belonging to non-destructive biological detection technology field. Background technique [0002] Spectral detection technology is used in the rapid detection of biological quality because it can realize the internal quality detection of the detection object in a non-contact manner. For example, the average spectral data of the measured object is output to the spectrum through the focusing lens and optical fiber for spectral detection; this type of method belongs to "point" detection, or "mean value" detection, which can only make quality detection based on spectral spatial information, because there is no space Therefore, it is imp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G06F17/18G06N3/12G06N5/02G06T5/00G06T7/00
CPCG06F17/18G06N3/126G06N5/022G01N21/25G06T2207/20032G06T5/70
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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