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num_identify

  • Category : Special Effects
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  • Update : 2008-10-13
  • Size : 705.82kb
  • Downloaded :0次
  • Author :dong****
  • About : dongzy09
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Introduction - If you have any usage issues, please Google them yourself
1.24 true color -> 256 grayscale. 2. Pretreatment: median filter. 3. Binarization: using an initial threshold T to perform binarization of image A to obtain binary image B. The initial threshold T is determined by selecting threshold T= gmax-gmin /3,Gmax and Gmin respectively are the highest and lowest grayscale values. This threshold has certain adaptability to different license plates, which can guarantee that the background is basically set to 0 to highlight the area of licence. Weaken the background noise. To reduce the gray value of adjacent pixels in the image B, get the new image G, namely Gi,j=|Pi, j-pi, j-1| I =0, 1,... , j = 0, 1, 439... 639Gi,0=Pi,0, the left edge is directly assigned, it won't affect the overall effect. 5. Use custom templates for median filtering The area gray level is basically assigned 0. Considering the text is composed of many short vertical lines, and one is mostly isolated noise, background noise using a template (1,1,1,1,1) T of G, median filtering can get away with the bulk of the interference image C. 6. License plate search: the horizontal projection method is used to detect the position of the license plate, and the vertical projection method is used to detect the vertical position of the license plate. 7. Regional cropping, interception of license plate images.
Packet file list
(Preview for download)
Packet : 77433646num_identify.rar filelist
车牌定位\ChildFrm.cpp
车牌定位\ChildFrm.h
车牌定位\ColorTable.h
车牌定位\Debug
车牌定位\DIBAPI.CPP
车牌定位\DIBAPI.H
车牌定位\edgecontour.cpp
车牌定位\edgecontour.h
车牌定位\MainFrm.cpp
车牌定位\MainFrm.h
车牌定位\pic\Img10_24.bmp
车牌定位\pic\Img1_24.bmp
车牌定位\pic\Thumbs.db
车牌定位\pic
车牌定位\ReadMe.txt
车牌定位\res\Toolbar.bmp
车牌定位\res\TypeRec.ico
车牌定位\res\TypeRec.rc2
车牌定位\res\TypeRecDoc.ico
车牌定位\res
车牌定位\Resource.h
车牌定位\StdAfx.cpp
车牌定位\StdAfx.h
车牌定位\suanfa1.cpp
车牌定位\suanfa1.h
车牌定位\TemplateTrans.cpp
车牌定位\TemplateTrans.h
车牌定位\TypeRec.aps
车牌定位\TypeRec.clw
车牌定位\TypeRec.cpp
车牌定位\TypeRec.dsp
车牌定位\TypeRec.dsw
车牌定位\TypeRec.h
车牌定位\TypeRec.ncb
车牌定位\TypeRec.opt
车牌定位\TypeRec.plg
车牌定位\TypeRec.rc
车牌定位\TypeRecDoc.cpp
车牌定位\TypeRecDoc.h
车牌定位\TypeRecView.cpp
车牌定位\TypeRecView.h
车牌定位
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