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Excel函數(shù)與公式標(biāo)準(zhǔn)教程(實(shí)戰(zhàn)微課版)
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《Excel函數(shù)與公式標(biāo)準(zhǔn)教程(實(shí)戰(zhàn)微課版)》以微型實(shí)用辦公案例的形式,對(duì)Excel中常用的公式與函數(shù)進(jìn)行全面細(xì)致的闡述。《Excel函數(shù)與公式標(biāo)準(zhǔn)教程(實(shí)戰(zhàn)微課版)》共11章,首先介紹Excel公式與函數(shù)基礎(chǔ)知識(shí)、公式的檢查和錯(cuò)誤值處理,然后逐步對(duì)各類函數(shù)展開介紹,包括統(tǒng)計(jì)函數(shù)的應(yīng)用、查找與引用函數(shù)的應(yīng)用、邏輯函數(shù)的應(yīng)用、數(shù)學(xué)與三角函數(shù)的應(yīng)用、日期與時(shí)間函數(shù)的應(yīng)用、文本函數(shù)的應(yīng)用、財(cái)務(wù)函數(shù)的應(yīng)用、信息函數(shù)的應(yīng)用等,最后介紹函數(shù)在條件格式和數(shù)據(jù)驗(yàn)證中的應(yīng)用。為了提高可操作性,在每章安排了“動(dòng)手練”和“案例實(shí)戰(zhàn)”內(nèi)容并對(duì)常見疑難問題及解決方法進(jìn)行了匯總。全書內(nèi)容豐富,結(jié)構(gòu)清晰,圖文并茂,詳略得當(dāng),讓讀者可以更輕松地學(xué)習(xí)和掌握公式與函數(shù)的應(yīng)用。本書適合高等院校相關(guān)專業(yè)作為教材使用,也適合辦公室“小白”作為首選讀物,還適合那些希望提高辦公效率的職場(chǎng)人士閱讀使用。

聶靜編著 ·辦公軟件 ·7.2萬(wàn)字

Raspberry Pi Computer Vision Programming
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Performawidevarietyofcomputervisiontaskssuchasimageprocessingandmanipulation,featureandobjectdetection,andimagerestorationtobuildreal-lifecomputervisionapplicationsKeyFeatures*ExplorethepotentialofcomputervisionwithRaspberryPiandPythonprogramming*PerformcomputervisiontaskssuchasimageprocessingandmanipulationusingOpenCVandRaspberryPi*Discovereasy-to-followexamplesandscreenshotstoimplementpopularcomputervisiontechniquesandapplicationsBookDescriptionRaspberryPiisoneofthepopularsingle-boardcomputersofourgeneration.AllthemajorimageprocessingandcomputervisionalgorithmsandoperationscanbeimplementedeasilywithOpenCVonRaspberryPi.Thisupdatedsecondeditionispackedwithcutting-edgeexamplesandnewtopics,andcoversthelatestversionsofkeytechnologiessuchasPython3,RaspberryPi,andOpenCV.ThisbookwillequipyouwiththeskillsrequiredtosuccessfullydesignandimplementyourownOpenCV,RaspberryPi,andPython-basedcomputervisionprojects.Atthestart,you'lllearnthebasicsofPython3,andthefundamentalsofsingle-boardcomputersandNumPy.Next,you'lldiscoverhowtoinstallOpenCV4forPython3onRaspberryPi,beforecoveringmajortechniquesandalgorithmsinimageprocessing,manipulation,andcomputervision.Byworkingthroughthestepsineachchapter,you'llunderstandessentialOpenCVfeatures.Latersectionswilltakeyouthroughcreatinggraphicaluserinterface(GUI)appswithGPIOandOpenCV.You'llalsolearntousethenewcomputervisionlibrary,Mahotas,toperformvariousimageprocessingoperations.Finally,you'llexploretheJupyterNotebookandhowtosetupaWindowscomputerandUbuntuforcomputervision.Bytheendofthisbook,you'llbeabletoconfidentlybuildanddeploycomputervisionapps.Whatyouwilllearn*SetupaRaspberryPiforcomputervisionapplications*PerformbasicimageprocessingwithlibrariessuchasNumPy,Matplotlib,andOpenCV*Demonstratearithmetical,logical,andotheroperationsonimages*WorkwithaUSBwebcamandtheRaspberryPiCameraModule*Implementlow-passandhigh-passfiltersandunderstandtheirapplicationsinimageprocessing*Coveradvancedtechniquessuchashistogramequalizationandmorphologicaltransformations*CreateGUIappswithPython3andOpenCV*PerformmachinelearningwithK-meansclusteringandimagequantizationWhothisbookisforThisbookisforbeginnersaswellasexperiencedRaspberryPiandPython3enthusiastswhoarelookingtoexploretheamazingworldofcomputervision.WorkingknowledgeofthePython3programminglanguageisassumed.

Ashwin Pajankar ·辦公軟件 ·4.9萬(wàn)字

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