Done on an image in the compressed DCT-domain detection after characters in the image. Because the characters have horizontal, vertical, like, oblique texture, in the compressed domain showed relatively high energy in three directions, according to this feature can be extracted characters.

复件 图像文本检测\100 (8).bmp
.................\48.bmp
.................\TextDetection\ChildFrm.cpp
.................\.............\ChildFrm.h
.................\.............\Debug\BuildLog.htm
.................\.............\.....\ChildFrm.obj
.................\.............\.....\DIBapi.obj
.................\.............\.....\MainFrm.obj
.................\.............\.....\mt.dep
.................\.............\.....\SortedEdge.obj
.................\.............\.....\stdafx.obj
.................\.............\.....\TextDetection.exe
.................\.............\.....\TextDetection.exe.embed.manifest
.................\.............\.....\TextDetection.exe.embed.manifest.res
.................\.............\.....\TextDetection.exe.intermediate.manifest
.................\.............\.....\TextDetection.ilk
.................\.............\.....\TextDetection.obj
.................\.............\.....\TextDetection.pch
.................\.............\.....\TextDetection.pdb
.................\.............\.....\TextDetection.res
.................\.............\.....\TextDetectionDoc.obj
.................\.............\.....\TextDetectionView.obj
.................\.............\.....\vc90.idb
.................\.............\.....\vc90.pdb
.................\.............\DIBapi.cpp
.................\.............\DIBapi.h
.................\.............\MainFrm.cpp
.................\.............\MainFrm.h
.................\.............\ReadMe.txt
.................\.............\res\TextDetection.ico
.................\.............\...\TextDetection.manifest
.................\.............\...\TextDetection.rc2
.................\.............\...\TextDetectionDoc.ico
.................\.............\...\Thumbs.db
.................\.............\...\Toolbar.bmp
.................\.............\Resource.h
.................\.............\SortedEdge.cpp
.................\.............\SortedEdge.h
.................\.............\stdafx.cpp
.................\.............\stdafx.h
.................\.............\TextDetection.aps
.................\.............\TextDetection.cpp
.................\.............\TextDetection.h
.................\.............\TextDetection.ncb
.................\.............\TextDetection.rc
.................\.............\TextDetection.sln
.................\.............\TextDetection.sln.old
.................\.............\TextDetection.suo
.................\.............\TextDetection.suo.old
.................\.............\TextDetection.vcproj
.................\.............\TextDetection.vcproj.7.10.old
.................\.............\TextDetection.vcproj.KPR-10061245.Administrator.user
.................\.............\TextDetectionDoc.cpp
.................\.............\TextDetectionDoc.h
.................\.............\TextDetectionView.cpp
.................\.............\TextDetectionView.h
.................\.............\UpgradeLog.XML
.................\.............\_UpgradeReport_Files\UpgradeReport.css
.................\.............\....................\UpgradeReport.xslt
.................\.............\....................\UpgradeReport_Minus.gif
.................\.............\....................\UpgradeReport_Plus.gif
.................\Thumbs.db
.................\复件 (2) 1000.bmp
.................\说明.doc
.................\TextDetection\Debug
.................\.............\res
.................\.............\_UpgradeReport_Files
.................\TextDetection
复件 图像文本检测

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