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Method and system for detecting slice position in scanner

A scanner and slicing technology, which is applied in the field of slice position detection inside the scanner, can solve the problems of unstable slice loading position, deviation in the coordinate mapping of the scanner and microscope, etc.

Active Publication Date: 2021-05-11
KONFOONG BIOTECH INT
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  • Description
  • Claims
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Problems solved by technology

[0003] The present invention provides a method and system for detecting the position of a slice inside a scanner, aiming to solve the technical problems in the prior art such as the deviation of the coordinate mapping between the scanner and the microscope caused by the instability of the slice loading position

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  • Method and system for detecting slice position in scanner
  • Method and system for detecting slice position in scanner
  • Method and system for detecting slice position in scanner

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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0040] see figure 1 , the present invention provides a kind of method for the slice position detection inside s...

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Abstract

The invention discloses a method and system for detecting a slice position in a scanner. The method comprises the following steps: shooting a preview image loaded with a slice, performing graying, accumulating gray values of pixels in a first direction in the gray image to obtain a first array, calculating a first difference value between the mth number and the (m+a)th number in all the first array, screening out a value p of m corresponding to a maximum value, acquiring a set of gray values of p-b to p+b pixels in all nth pixels in a second direction in the gray image, calculating a second difference value between gray values of all qth pixels and gray values of (q+1)th pixels, screening out a value t of q corresponding to the maximum value, combining the coordinate values of tth pixels in the second direction in the gray image into a pixel position set, and subjecting all the coordinate values in the pixel position set to linear fitting to obtain a straight line. Therefore, accurate positioning on the slice is facilitated, the working efficiency and accuracy are improved, and the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of biological slice image processing, in particular to a method and system for detecting slice positions inside a scanner. Background technique [0002] With the rise of pathological slide scanners, more and more hospitals have used pathological slide scanners to obtain digital slides for easy storage and browsing. In some special cases, doctors need to re-check certain fields of view under the microscope when browsing digital slides. At this time, coordinate mapping between the scanner and the microscope is required. The usual practice is to have a standard positioning slice, and after positioning under the scanner preview camera and on the microscope, the corresponding coordinate mapping can be calculated. However, on a high-throughput scanner, since the positions of the slices loaded onto the platform are inconsistent each time, the previously calculated coordinate mapping relationship will have a certai...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/70G06T7/11G06T7/00G01N21/84
CPCG06T7/0012G06T7/11G06T7/70G01N21/84
Inventor 刘炳宪谢菊元王焱辉王克惠丁科迪
Owner KONFOONG BIOTECH INT
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