Learning OpenCV 3 Computer Vision with Python, 2nd Edition

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1、LearningOpenCV3ComputerVisionwithPythonSecondEditionTableofContentsLearningOpenCV3ComputerVisionwithPythonSecondEditionCreditsAbouttheAuthorsAbouttheReviewerswww.PacktPub.comSupportfiles,eBooks,discountoffers,andmoreWhysubscribe?FreeaccessforPacktaccountholdersPrefaceWhatthisbookcover

2、sWhatyouneedforthisbookWhothisbookisforConventionsReaderfeedbackCustomersupportDownloadingtheexamplecodeErrataPiracyQuestions1.SettingUpOpenCVChoosingandusingtherightsetuptoolsInstallationonWindowsUsingbinaryinstallers(nosupportfordepthcameras)UsingCMakeandcompilersInstallingonOSXUsin

3、gMacPortswithready-madepackagesUsingMacPortswithyourowncustompackagesUsingHomebrewwithready-madepackages(nosupportfordepthcameras)UsingHomebrewwithyourowncustompackagesInstallationonUbuntuanditsderivativesUsingtheUbunturepository(nosupportfordepthcameras)BuildingOpenCVfromasourceInsta

4、llationonotherUnix-likesystemsInstallingtheContribmodulesRunningsamplesFindingdocumentation,help,andupdatesSummary2.HandlingFiles,Cameras,andGUIsBasicI/OscriptsReading/writinganimagefileConvertingbetweenanimageandrawbytesAccessingimagedatawithnumpy.arrayReading/writingavideofileCaptur

5、ingcameraframesDisplayingimagesinawindowDisplayingcameraframesinawindowProjectCameo(facetrackingandimagemanipulation)Cameo–anobject-orienteddesignAbstractingavideostreamwithmanagers.CaptureManagerAbstractingawindowandkeyboardwithmanagers.WindowManagerApplyingeverythingwithcameo.CameoS

6、ummary3.ProcessingImageswithOpenCV3ConvertingbetweendifferentcolorspacesAquicknoteonBGRTheFourierTransformHighpassfilterLowpassfilterCreatingmodulesEdgedetectionCustomkernels–gettingconvolutedModifyingtheapplicationEdgedetectionwithCannyContourdetectionContours–boundingbox,minimumarea

7、rectangle,andminimumenclosingcircleContours–convexcontoursandtheDouglas-PeuckeralgorithmLineandcircledetectionLinedetectionCircledetectionDetectingshapesSummary4.DepthEstimationandSegmentationCreatingmodulesCapturingframesfromadepthcameraCreatingamaskfromadisparitymapMaskingacopyopera

8、tionD