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Self adaptive imaging algorithm for archaeological isotope density scan

A self-adaptive algorithm, isotope technology, applied in computing, special data processing applications, material analysis using wave/particle radiation, etc., can solve problems such as difficulty in determining μ parameters

Inactive Publication Date: 2007-04-11
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0019] In order to solve the problem that the μ parameter in the formula (I) is difficult to determine, the present invention adopts the calculation method of linear interpolation and multiple iterations, calculates the measured value of the isotope density imaging system, and implements it through software to obtain the density distribution image of the underground medium

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  • Self adaptive imaging algorithm for archaeological isotope density scan
  • Self adaptive imaging algorithm for archaeological isotope density scan
  • Self adaptive imaging algorithm for archaeological isotope density scan

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Embodiment Construction

[0024] The working method of the isotope density imager for archaeology is to place the excitation source at a certain depth underground through a source guide pipe, and use detectors to conduct intensive detection on the surface, mainly detecting the rays emitted by the excitation source through the underground medium. Intensity attenuation, so as to determine the density distribution of the underground medium.

[0025] The present invention is as shown in Figure 1, assumes in the XY coordinate system of 10 * 10, with (X 5 , Y 5 ) as the center of the circle, put the excitation source underground at a depth of h, and measure at the intersection of the X-axis and Y-axis. In order to avoid different parameters at each measurement point and cannot be compared, all the original data are converted into The radius r is the coordinate in the coordinate system.

[0026] 1. Calculation of γ-ray intensity from isotope source and equidistant point

[0027] The distance from each poin...

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Abstract

The invention is a computer imaging data processing method and software technology for isotope density in archaeology, which uses the calculation of linear interpolation and iteration, to design a new self-adaptive algorithm, which makes the data from measuring instrument amend parameters voluntarily and select abnormal points without artificial join and amending parameter. Software is used to realize the algorithm, which is used in the isotope density-imaging device for archaeology, to realize rapid imaging of archaeological data, and conduct work on the site. Though the experiment of embedding iron and copper block in the sand model, their imaging positions from the measured data are not clear, but through this invention, the positions are very clearly.

Description

technical field [0001] The invention relates to a data processing and calculation method of isotope density computer imaging in archeology and a technical method realized by software. Through the calculation of the data measured by the isotope density imaging system by this calculation method, the density distribution of the underground medium can be obtained, so that the use of the isotope density system and this calculation method to process the image data obtained by data processing in archaeology can be used to find underground bronze. , iron, gold, silver and other metal cultural relics. Background technique [0002] When a beam of parallel gamma rays passes through the absorbing screen (absorbing material) vertically, the gamma rays interact with the matter, and some photons are all absorbed; some photons lose part of their energy and change their original direction of motion; some photons Then it will elastically scatter with the material. Overall, constitutes the a...

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Application Information

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IPC IPC(8): G06F17/00G01N9/24G01N23/08
Inventor 庹先国任家富王绪本周建斌陶永莉穆克亮林娟
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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