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Method for realizing multi-object partition

A multi-object and object technology, applied in image analysis, image data processing, instruments, etc., can solve the problem of non-overlapping common boundary lines of adjacent objects, and achieve the effect of reducing repeated input, high segmentation efficiency, and improving processing efficiency.

Inactive Publication Date: 2014-03-05
JIANGSU COGNIVISUAL TECH INFORMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user is segmenting object A, if there is part of the segmented object B adjacent to it, it is necessary to ensure that the pixel set in B will not be affected; Problems such as non-coincidence of common boundary lines of adjacent objects left behind

Method used

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  • Method for realizing multi-object partition
  • Method for realizing multi-object partition
  • Method for realizing multi-object partition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Such as image 3 As shown, the method of segmenting multiple objects using the fast advance algorithm, the operation steps are as follows:

[0013] 1. The user drags the left mouse button in the image display area of ​​the system to draw a rectangular box, which contains the object to be divided;

[0014] 2. The user draws a foreground curve inside the object in the rectangle, and a background curve outside the object. The width of the curve can be adjusted according to the specific situation, and then set and confirm other parameters of the fast-forward algorithm and the label of the segmented object;

[0015] 3. If the user adds too few foreground or background curves so that the segmentation result is not ideal, and needs to continue adding curves and use the fast advance algorithm again, go to step 2;

[0016] 4. If there are other objects in the image that have not been segmented, go to step 1.

[0017] Boundary extrapolation makes the common boundary lines of adjacent objec...

Embodiment 2

[0022] It is mainly divided into two parts: 1. Use the fast advance algorithm to segment multiple objects; 2. Use the boundary extrapolation function to solve the phenomenon that the common boundary lines of adjacent objects do not overlap.

[0023] 1. The principle of segmenting multiple objects using fast advance algorithm

[0024] 1. The user draws a rectangular frame in the image display area of ​​the system, which contains the object to be divided;

[0025] 2. The user draws the foreground curve inside the object in the rectangle and the background curve outside the object, sets other parameters of the fast advance algorithm and the label of the segmented object (the label of the object is used to distinguish it from other objects) and confirms;

[0026] 3. The system calls the fast advance algorithm, and the system will perform the following tasks at this time:

[0027] a) If there is another previously segmented object A in the rectangular frame, then all the pixels in A will be ...

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Abstract

The invention discloses a method for realizing multi-object partition and relates to a method for utilizing computers to process visual images. The method comprises the following operation steps: a user drags a mouse left key to draw a rectangular frame in an image display area of a system, and an object to be divided is contained in the rectangular frame; the user draws foreground curves in the object in the rectangle, draws background curves outside the object, and then sets and determines other parameters of a quick push algorithm and the mark number of the object to be divided, wherein the width of the curves can be adjusted according to detailed conditions; if the foreground curves or the background curves added by the user are too small in number to enable a partition result to be ideal, curves need adding continually, and the quick push algorithm needs using again, the second step is switched to; if other undivided objects exist in the image, the first step is switched to. According to the method, the quick push algorithm and the external push theory are combined, and the technology of multi-object partition in the same image is realized.

Description

Technical field [0001] The invention relates to a method for visual graphics processing using a computer. Background technique [0002] In the field of computer vision, image segmentation refers to the process of subdividing a digital image into multiple image sub-regions (sets of pixels). The existing automatic segmentation algorithms have the disadvantage of low segmentation accuracy. At the same time, we noticed that in the existing manual intervention segmentation implementation methods, the user can only segment one object in the image when using the segmentation algorithm, and the remaining pixels are used as the background. If you want to segment the same image When there are multiple objects in the image, the algorithm needs to be used multiple times. This leads to two problems: 1. It is necessary to ensure that when the algorithm is used to segment the object this time, the objects that have been segmented before and that are adjacent to the current object will not be ...

Claims

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Application Information

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IPC IPC(8): G06T7/00
Inventor 范澍斐秦恩泉熊伟华
Owner JIANGSU COGNIVISUAL TECH INFORMATION
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