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Quick recognizing method of binary image connected domain label

A technology of connected domain marking and identification method, which is applied in the field of rapid identification of connected domain marking in binary images, can solve the problems of unsuitability for parallelization, low efficiency, and lack of real-time processing conditions for large images, etc. The method is simple and the scanning efficiency is improved , Improve the overall performance of the system

Active Publication Date: 2014-02-26
LIUZHOU VOCATIONAL & TECHN COLLEGE
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a fast recognition method of connected domain marks in binary images to solve the shortcomings of the prior art, such as low efficiency, unsuitability for parallelization, and lack of real-time processing conditions for large images

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  • Quick recognizing method of binary image connected domain label
  • Quick recognizing method of binary image connected domain label
  • Quick recognizing method of binary image connected domain label

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Embodiment 1

[0039] A method for quickly identifying connected domain markers in a binary image, the method comprising the following steps:

[0040] S1. Initialization of CPU and GPU:

[0041] Utilize the server environment to set up a virtual graphics workstation cluster, the virtual graphics workstation 1 constitutes a dynamic virtual machine through logical combination, and the server environment includes a server cluster 2 and a main control server 3 (see figure 2 ), the server computer or server cluster is equipped with multiple CUDA-based GPU graphics cards, and each GPU graphics card is connected through an SLI interface (abbreviation for Scalable Link Interface, which is an upgradeable connection interface in Chinese), and the blocks of the CUDA-based platform The size is 256 or 512; the server computer or server cluster is used as a computing node, and the master control server is responsible for scheduling and controlling all tasks, and is responsible for managing the computing...

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Abstract

The invention discloses a quick recognizing method of a binary image connected domain label, and relates to an image recognizing method used for crack recognizing, remote sensing image path extracting, remote sensing image shape target recognizing and the like. The quick recognizing method of the binary image connected domain label comprises the steps that S1 a CPU and a GPU are initialized; S2 an image is scanned; S3 scanned results are stored in a disk of a server environment; S4 merging processing is conducted on the scanned results; S5 whether the scanning is iteration scanning or not is judged, if yes, the step S6 is executed and otherwise the step S1 is repeated; S6 processing results are stored and the method ends. The quick recognizing method of the binary image connected domain label can improve the overall performance of a system and is applicable to real-time processing of large images, the scanning efficiency is high, and the method is simple and convenient and fast to implement.

Description

technical field [0001] The invention relates to an image recognition (target extraction) method for crack identification, remote sensing image path extraction and shape target recognition, in particular to a fast identification method for binary image connected domain marks. Background technique [0002] A binary image refers to an image in which each pixel is either black or white, and its gray value has no intermediate transition. The advantage is that it takes up less space. The disadvantage is that when representing images of people and landscapes, binary images can only describe their outlines and cannot describe details. The traditional connected domain labeling methods are: [0003] 1. Connected point-by-point scanning method, this method needs to deal with a large number of repeated marks, the logic is complex, and the efficiency is low. [0004] 2. Seed filling method, which is more efficient, but not suitable for parallelization. [0005] The above two types of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/38
Inventor 王慧余剑韦小波陆晓希盘承军张德平
Owner LIUZHOU VOCATIONAL & TECHN COLLEGE
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