九五至尊游戏视讯

Unsupervisedlearningisaboutmakinguseofraw,untaggeddataandapplyinglearningalgorithmstoittohelpamachinepredictitsoutcome.Withthisbook,youwillexploretheconceptofunsupervisedlearningtoclusterlargesetsofdataandanalyzethemrepeatedlyuntilthedesiredoutcomeisfoundusingPython.Thisbookstartswiththekeydifferencesbetweensupervised,unsupervised,andsemi-supervisedlearning.Youwillbeintroducedtothebest-usedlibrariesandframeworksfromthePythonecosystemandaddressunsupervisedlearninginboththemachinelearninganddeeplearningdomains.Youwillexplorevariousalgorithms,techniquesthatareusedtoimplementunsupervisedlearninginreal-worldusecases.Youwilllearnavarietyofunsupervisedlearningapproaches,includingrandomizedoptimization,clustering,featureselectionandtransformation,andinformationtheory.Youwillgethands-onexperiencewithhowneuralnetworkscanbeemployedinunsupervisedscenarios.YouwillalsoexplorethestepsinvolvedinbuildingandtrainingaGANinordertoprocessimages.Bytheendofthisbook,youwillhavelearnedtheartofunsupervisedlearningfordifferentreal-worldchallenges.

·8.6萬字

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Internet of Things Projects with ESP32

ESP32isalow-costMCUwithintegratedWi-FiandBLE.Variousmodulesanddevelopmentboards-basedonESP32areavailableforbuildingIoTapplicationseasily.Wi-FiandBLEareacommonnetworkstackintheInternetofThingsapplication.Thesenetworkmodulescanleverageyourbusinessandprojectsneedsforcost-effectivebenefits.ThisbookwillserveasafundamentalguidefordevelopinganESP32program.WewillstartwithGPIOprogramminginvolvingsomesensordevices.ThenwewillstudyESP32developmentbybuildinganumberofIoTprojects,suchasweatherstations,sensorloggers,smarthomes,Wi-FicamsandWi-Fiwardriving.Lastly,wewillenableESP32boardstoexecuteinteractionswithmobileapplicationsandcloudserverssuchasAWS.Bytheendofthisbook,youwillbeupandrunningwithvariousIoTproject-basedESP32chip.

·3.3萬字

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Mastering Machine Learning on AWS

AWSisconstantlydrivingnewinnovationsthatempowerdatascientiststoexploreavarietyofmachinelearning(ML)cloudservices.ThisbookisyourcomprehensivereferenceforlearningandimplementingadvancedMLalgorithmsinAWScloud.Asyougothroughthechapters,you’llgaininsightsintohowthesealgorithmscanbetrained,tunedanddeployedinAWSusingApacheSparkonElasticMapReduce(EMR),SageMaker,andTensorFlow.WhileyoufocusonalgorithmssuchasXGBoost,linearmodels,factorizationmachines,anddeepnets,thebookwillalsoprovideyouwithanoverviewofAWSaswellasdetailedpracticalapplicationsthatwillhelpyousolvereal-worldproblems.EverypracticalapplicationincludesaseriesofcompanionnotebookswithallthenecessarycodetorunonAWS.Inthenextfewchapters,youwilllearntouseSageMakerandEMRNotebookstoperformarangeoftasks,rightfromsmartanalytics,andpredictivemodeling,throughtosentimentanalysis.Bytheendofthisbook,youwillbeequippedwiththeskillsyouneedtoeffectivelyhandlemachinelearningprojectsandimplementandevaluatealgorithmsonAWS.

·6.2萬字

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OpenCV 4 Computer Vision Application Programming Cookbook（Fourth Edition）

OpenCVisanimageandvideoprocessinglibraryusedforalltypesofimageandvideoanalysis.Throughoutthebook,you'llworkthroughrecipesthatimplementavarietyoftasks,suchasfacialrecognitionanddetection.With70self-containedtutorials,thisbookexaminescommonpainpointsandbestpracticesforcomputervision(CV)developers.Eachrecipeaddressesaspecificproblemandoffersaproven,best-practicesolutionwithinsightsintohowitworks,sothatyoucancopythecodeandconfigurationfilesandmodifythemtosuityourneeds.ThisbookbeginsbysettingupOpenCV,andexplainshowtomanipulatepixels.You'llunderstandhowyoucanprocessimageswithclassesandcountpixelswithhistograms.You'llalsolearndetecting,describing,andmatchinginterestpoints.Asyouadvancethroughthechapters,you'llgettogripswithestimatingprojectiverelationsinimages,reconstructing3Dscenes,processingvideosequences,andtrackingvisualmotion.Inthefinalchapters,you'llcoverdeeplearningconceptssuchasfaceandobjectdetection.Bytheendofthebook,you'llbeabletoconfidentlyimplementarangetocomputervisionalgorithmstomeetthetechnicalrequirementsofyourcomplexCVprojects

·10.5萬字

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C++ Game Development By Example

Althoughnumerouslanguagesarecurrentlybeingusedtodevelopgames,C++remainsthestandardforfabricatingexpertlibrariesandtoolchainsforgamedevelopment.ThisbookintroducesyoutotheworldofgamedevelopmentwithC++.C++GameDevelopmentByExamplestartsbytouchinguponthebasicconceptsofmath,programming,andcomputergraphicsandcreatingasimpleside-scrollingaction2Dgame.You'llbuildasolidfoundationbystudyingbasicgameconceptssuchascreatinggameloops,rendering2DgamescenesusingSFML,2Dspritecreationandanimation,andcollisiondetection.Thebookwillhelpyouadvancetocreatinga3DphysicspuzzlegameusingmodernOpenGLandtheBulletphysicsengine.You'llunderstandthegraphicspipeline,whichentailscreating3Dobjectsusingvertexandindexbuffersandrenderingthemtothesceneusingvertexandfragmentshaders.Finally,you'llcreateabasicprojectusingtheVulkanlibrarythat'llhelpyougettogripswithcreatingswapchains,imageviews,renderpasses,andframebuffersforbuildinghigh-performancegraphicsinyourgames.Bytheendofthisbook,you’llbereadywith3compellingprojectscreatedwithSFML,theVulkanAPI,andOpenGL,andyou'llbeabletakeyourgameandgraphicsprogrammingskillstothenextlevel.

·7.1萬字

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MicroPython Cookbook

MicroPythonisanopensourceimplementationofPython3thatrunsinembeddedenvironments.WithMicroPython,youcanwritecleanandsimplePythoncodetocontrolhardwareinsteadofusingcomplexlow-levellanguageslikeCandC++.ThisbookguidesyouthroughallthemajorapplicationsoftheMicroPythonplatformtobuildandprogramprojectsthatusemicrocontrollers.TheMicroPythonbookcoversrecipesthat’llhelpyouexperimentwiththeprogrammingenvironmentandhardwareprogrammedinMicroPython.You’llfindtipsandtechniquesforbuildingavarietyofobjectsandprototypesthatcansenseandrespondtotouch,sound,position,heat,andlight.ThisbookwilltakeyouthroughtheusesofMicroPythonwithavarietyofpopularinputdevicesandsensors.You’lllearntechniquesforhandlingtimedelaysandsensorreadings,andapplyadvancedcodingtechniquestocreatecomplexprojects.Asyouadvance,you’llgettodealwithInternetofThings(IoT)devicesandintegrationwithotheronlinewebservices.Furthermore,you'llalsouseMicroPythontomakemusicwithbananasandcreateportablemultiplayervideogamesthatincorporatesoundandlightanimationsintothegameplay.Bytheendofthebook,you'llhavemasteredtipsandtrickstotroubleshootyourdevelopmentproblemsandpushyourMicroPythonprojecttothenextlevel!

·8.4萬字

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Applied Supervised Learning with R

Rprovidesexcellentvisualizationfeaturesthatareessentialforexploringdatabeforeusingitinautomatedlearning.AppliedSupervisedLearningwithRhelpsyoucoverthecompleteprocessofemployingRtodevelopapplicationsusingsupervisedmachinelearningalgorithmsforyourbusinessneeds.Thebookstartsbyhelpingyoudevelopyouranalyticalthinkingtocreateaproblemstatementusingbusinessinputsanddomainresearch.Youwillthenlearndifferentevaluationmetricsthatcomparevariousalgorithms,andlaterprogresstousingthesemetricstoselectthebestalgorithmforyourproblem.Afterfinalizingthealgorithmyouwanttouse,youwillstudythehyperparameteroptimizationtechniquetofine-tuneyoursetofoptimalparameters.Topreventyoufromoverfittingyourmodel,adedicatedsectionwillevendemonstratehowyoucanaddvariousregularizationterms.Bytheendofthisbook,youwillhavetheadvancedskillsyouneedformodelingasupervisedmachinelearningalgorithmthatpreciselyfulfillsyourbusinessneeds.

·7.5萬字

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Mastering Delphi Programming：A Complete Reference Guide

Delphiisacross-platformIntegratedDevelopmentEnvironment(IDE)thatsupportsrapidapplicationdevelopmentformostoperatingsystems,includingMicrosoftWindows,iOS,andnowLinuxwithRADStudio10.2.IfyouknowhowtousethefeaturesofDelphi,youcaneasilycreatescalableapplicationsinnotime.ThisLearningPathbeginsbyexplaininghowtofindperformancebottlenecksandapplythecorrectalgorithmtofixthem.You'llbrushupontricks,techniques,andbestpracticestosolvecommondesignandarchitecturalchallenges.Then,you'llseehowtoleverageexternallibrariestowritebetter-performingprograms.You'llalsolearnabouttheeightmostimportantpatternsthat'llenableyoutodevelopandimprovetheinterfacebetweenitemsandharmonizesharedmemorieswithinthreads.Asyouprogress,you'llalsodelveintoimprovingtheperformanceofyourcodeandmasteringcross-platformRTLimprovements.BytheendofthisLearningPath,you'llbeabletoaddresscommondesignproblemsandfeelconfidentwhilebuildingscalableprojects.ThisLearningPathincludescontentfromthefollowingPacktproducts:DelphiHighPerformancebyPrimo?Gabrijel?i?.Hands-OnDesignPatternswithDelphibyPrimo?Gabrijel?i?.

·16.1萬字

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Hands-On Python Deep Learning for the Web

Whenusedeffectively,deeplearningtechniquescanhelpyoudevelopintelligentwebapps.Inthisbook,you'llcoverthelatesttoolsandtechnologicalpracticesthatarebeingusedtoimplementdeeplearninginwebdevelopmentusingPython.Startingwiththefundamentalsofmachinelearning,you'llfocusonDLandthebasicsofneuralnetworks,includingcommonvariantssuchasconvolutionalneuralnetworks(CNNs).You'lllearnhowtointegratethemintowebsiteswiththefrontendsofdifferentstandardwebtechstacks.Thebookthenhelpsyougainpracticalexperienceofdevelopingadeeplearning-enabledwebappusingPythonlibrariessuchasDjangoandFlaskbycreatingRESTfulAPIsforcustommodels.Later,you'llexplorehowtosetupacloudenvironmentfordeeplearning-basedwebdeploymentsonGoogleCloudandAmazonWebServices(AWS).Next,you'lllearnhowtouseMicrosoft'sintelligentEmotionAPI,whichcandetectaperson'semotionsthroughapictureoftheirface.You'llalsogettogripswithdeployingreal-worldwebsites,inadditiontolearninghowtosecurewebsitesusingreCAPTCHAandCloudflare.Finally,you'lluseNLPtointegrateavoiceUXthroughDialogflowonyourwebpages.Bytheendofthisbook,you'llhavelearnedhowtodeployintelligentwebappsandwebsiteswiththehelpofeffectivetoolsandpractices.

·8萬字

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The Deep Learning with PyTorch Workshop

Wanttogettogripswithoneofthemostpopularmachinelearninglibrariesfordeeplearning?TheDeepLearningwithPyTorchWorkshopwillhelpyoudojustthat,jumpstartingyourknowledgeofusingPyTorchfordeeplearningevenifyou’restartingfromscratch.It'snosurprisethatdeeplearning'spopularityhasrisensteeplyinthepastfewyears,thankstointelligentapplicationssuchasself-drivingvehicles,chatbots,andvoice-activatedassistantsthataremakingourliveseasier.Thisbookwilltakeyouinsidetheworldofdeeplearning,whereyou'llusePyTorchtounderstandthecomplexityofneuralnetworkarchitectures.TheDeepLearningwithPyTorchWorkshopstartswithanintroductiontodeeplearninganditsapplications.You'llexplorethesyntaxofPyTorchandlearnhowtodefineanetworkarchitectureandtrainamodel.Next,you'lllearnaboutthreemainneuralnetworkarchitectures-convolutional,artificial,andrecurrent-andevensolvereal-worlddataproblemsusingthesenetworks.Laterchapterswillshowyouhowtocreateastyletransfermodeltodevelopanewimagefromtwoimages,beforefinallytakingyouthroughhowRNNsstorememorytosolvekeydataissues.Bytheendofthisbook,you'llhavemasteredtheessentialconcepts,tools,andlibrariesofPyTorchtodevelopyourowndeepneuralnetworksandintelligentapps.

·7.4萬字

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The Applied Artificial Intelligence Workshop

Youalreadyknowthatartificialintelligence(AI)andmachinelearning(ML)arepresentinmanyofthetoolsyouuseinyourdailyroutine.ButdoyouwanttobeabletocreateyourownAIandMLmodelsanddevelopyourskillsinthesedomainstokickstartyourAIcareer?TheAppliedArtificialIntelligenceWorkshopgetsyoustartedwithapplyingAIwiththehelpofpracticalexercisesandusefulexamples,allputtogethercleverlytohelpyougaintheskillstotransformyourcareer.Thebookbeginsbyteachingyouhowtopredictoutcomesusingregression.You’llthenlearnhowtoclassifydatausingtechniquessuchask-nearestneighbor(KNN)andsupportvectormachine(SVM)classifiers.Asyouprogress,you'llexplorevariousdecisiontreesbylearninghowtobuildareliabledecisiontreemodelthatcanhelpyourcompanyfindcarsthatclientsarelikelytobuy.Thefinalchapterswillintroduceyoutodeeplearningandneuralnetworks.Throughvariousactivities,suchaspredictingstockpricesandrecognizinghandwrittendigits,you'lllearnhowtotrainandimplementconvolutionalneuralnetworks(CNNs)andrecurrentneuralnetworks(RNNs).BytheendofthisappliedAIbook,you'llhavelearnedhowtopredictoutcomesandtrainneuralnetworksandbeabletousevarioustechniquestodevelopAIandMLmodels.

·8.4萬字

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The Deep Learning with Keras Workshop

Newexperiencescanbeintimidating,butnotthisone!Thisbeginner’sguidetodeeplearningisheretohelpyouexploredeeplearningfromscratchwithKeras,andbeonyourwaytotrainingyourfirsteverneuralnetworks.WhatsetsKerasapartfromotherdeeplearningframeworksisitssimplicity.Withovertwohundredthousandusers,Kerashasastrongeradoptioninindustryandtheresearchcommunitythananyotherdeeplearningframework.TheDeepLearningwithKerasWorkshopstartsbyintroducingyoutothefundamentalconceptsofmachinelearningusingthescikit-learnpackage.Afterlearninghowtoperformthelineartransformationsthatarenecessaryforbuildingneuralnetworks,you'llbuildyourfirstneuralnetworkwiththeKeraslibrary.Asyouadvance,you'lllearnhowtobuildmulti-layerneuralnetworksandrecognizewhenyourmodelisunderfittingoroverfittingtothetrainingdata.Withthehelpofpracticalexercises,you’lllearntousecross-validationtechniquestoevaluateyourmodelsandthenchoosetheoptimalhyperparameterstofine-tunetheirperformance.Finally,you’llexplorerecurrentneuralnetworksandlearnhowtotrainthemtopredictvaluesinsequentialdata.Bytheendofthisbook,you'llhavedevelopedtheskillsyouneedtoconfidentlytrainyourownneuralnetworkmodels.

·10.1萬字

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Spring Cloud微服務架構開發

SpringCloud是一套完整的微服務架構解決方案，它利用SpringBoot的開發便利性巧妙地簡化了分布式系統開發過程。可以說，SpringCloud繼承了SpringBoot的優點，屏蔽掉了復雜的配置和實現原理，最終給開發者留出了一套簡單易懂、易部署和易維護的分布式系統開發工具包。本書基于SpringCloudGreenwich.SR2版本，全面介紹了SpringCloud針對微服務架構中核心要素的解決方案和基礎組件。希望讀者通過本書的學習，能夠學會SpringCloud各個組件的用法，并了解分布式微服務架構的搭建過程。

·7.6萬字

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電腦軟硬件維修大全（實例精華版）

本書并不試圖簡單地羅列電腦發生的故障，而是著重介紹判斷和解決電腦故障的方法和手段。本書以電腦軟硬件維修的基本技能知識開篇，讓讀者能夠充分了解電腦的結構原理，掌握電腦軟硬件故障發生的原因，以及解決故障的思路。同時本書還提供了電腦軟硬件故障的應急處理方法，讓你在電腦“罷工”時不至于手忙腳亂，無從下手。

·25.6萬字

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STM32嵌入式技術應用開發全案例實踐

本書主要介紹STM32F4系列微控制器在工程應用中所需的基礎知識、硬件外設的工作原理以及編程開發的相關技術。本書由5個項目共16個任務構成，介紹STM32的基礎知識、基于STM32F4標準外設庫的工程建立和STM32F4系統時鐘的配置，并結合可控LED流水燈的設計與實現、智能小車運動控制系統的設計與實現、環境參數監測和顯示系統的設計與實現、多機通信系統的設計與實現等案例，對GPIO、外部中斷、USART、ADC、定時器、SPI、I2C、SDIO、CAN等常用硬件外設進行講解。本書在內容組織上采用了“項目引領、任務驅動”的模式。針對MCU常用的硬件外設，設定了對應的應用場景作為案例，并在講解的過程中將所需的知識點和技能點同任務實施過程有機結合了起來。案例中還融入了全國職業院校技能大賽“嵌入式技術應用開發”賽項的考核點，按照任務分析—知識鏈接—任務實施的路線對其展開了討論，十分有利于讀者學習與實踐。本書可作為電子信息類和通信類專業的教學用書，也可作為從事嵌入式產品設計、智能終端設備開發的工程技術人員的自學用書。

·12.1萬字

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IP網絡視頻傳輸：技術、標準和應用

《IP網絡視頻傳輸技術標準和應用》在簡要回顧IP網絡傳輸和視頻信號處理基本原理的基礎上，著重介紹了近年來IP網絡視頻流傳輸的相關技術、標準和應用。《IP網絡視頻傳輸技術標準和應用》全書共分12章，第1-3章簡要介紹了通信網絡和視頻信號處理方面的基本概況，視頻編碼的基本原理、主要方法，HEVC/H.265標準及其關鍵技術。第4、5章介紹了IP網絡，特別是無線IP網絡的分層結構、主要協議、傳輸環境、網絡種類和傳輸方式。第6-8章介紹了壓縮視頻信號的流化，經典的流媒體網絡傳輸，以及新制定的DASH傳輸標準及其關鍵技術。第9-11章介紹了IP網絡視頻傳輸的質量保證，傳輸控制和差錯控制，以及高清、超高清視頻的網絡傳輸標準和同步技術。第12章介紹了幾種典型IP網絡視頻傳輸的應用系統。《IP網絡視頻傳輸技術標準和應用》可作為從事信號處理、通信工程、計算機應用、廣播電視、計算機視覺及自動控制等領域的工程技術人員、大專院校相關專業的高年級學生、研究生或教師的參考用書。

·28.1萬字

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嵌入式系統原理：基于Arm Cortex-M微控制器體系

本書介紹如何使用基于ArmCortex-M0內核的KinetisKL25Z單片機進行嵌入式系統搭建，內容覆蓋CPU、中斷系統、外設與編程，全部使用C語言實現；介紹了CPU上的多任務實現，其目的是提高響應能力和軟件模塊化，同時減少CPU的開銷；探討了中斷、外設和調度程序的相互作用。全書共9章，第1章使用實例介紹嵌入式系統的各個部分，之后章節分別講解輸入/輸出端口、并行、中斷、C語言基礎、模擬接口、定時器、串行通信和直接內存訪問等內容。本書可作為高等院校計算機、電子工程等專業的教材，也可作為嵌入式系統開發人員的參考書。

·12.3萬字

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微服務實戰

《微服務實戰》主要介紹如何開發和維護基于微服務的應用。本書源自作者從日常開發中得到的積累和感悟，其中給出的案例覆蓋從微服務設計到部署的各個階段，能夠帶給你真實的沉浸式體驗。通過閱讀本書，你不僅能夠了解用微服務搭建高效的持續交付流水線的方法，還能夠運用Kubernetes、Docker以及GoogleContainerEngine進一步探索書中的示例。

·18.2萬字

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單片機系統設計與開發教程

本書以單片機的單元電路設計和應用實例為主線，對涉及的相關理論進行介紹，共分為基礎篇、設計篇和應用篇三部分。基礎篇包括單片機應用系統的設計與開發、KeilV808A和Proteus軟件的使用、單片機內部資源及其C語言編程。設計篇主要包括LED數碼管、矩陣鍵盤、定時器中斷、液晶顯示、串口通信、紅外接收、A/D和D/A轉換等單元電路設計。應用篇包括數字溫度計設計、無線數據傳輸系統設計、超聲波測距儀設計、鐵路限速標志設計。本書內容豐富，實用性強，可作為高等院校信息與通信工程及相關專業的本科生教材，還可作為相關領域的工程技術人員的參考書。

·9.3萬字

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常用辦公設備使用與維護

本書是計算機應用、文秘及相關專業系列教材之一，根據教育部中職中專的培養目標和新課改的基本要求，跟蹤當前辦公設備的新發展，以及加強操作性環節的要求，由具有豐富教學經驗和實踐經驗的教師編寫而成。主要內容包括：打印機、復印機、投影機、傳真機、掃描儀、數碼相機及辦公自動化輔助設備。分別介紹了辦公設備的基本結構、使用方法和技巧、以及基本維護方法和典型故障的排除。

·4.1萬字

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