《計(jì)算機(jī)專業(yè)英語（第4版）》Unit 3 Multimedia and Its Applications

Unit3MultimediaandItsApplications3.1ComputerGraphics3.2Multimedia3.3ComputerAnimation3.4MultimediaSoftware3.5VirtualReality3.6ComputerAidedDesign3.7專業(yè)英語中被動語態(tài)與長句的運(yùn)用

3.8習(xí)題答案與參考譯文12/2/20221計(jì)算機(jī)專業(yè)英語第4版3.1ComputerGraphics3.1.1TextAComputergraphicsisawonderfulinventioninthefieldofcomputers.Theartofcreatingpictureswithacomputerhasgotnumerousapplications,thatitisofgreatimportancetoexploretheintrinsicoftheworldofcomputergraphics.12/2/20222計(jì)算機(jī)專業(yè)英語第4版GraphicsPrimitivesAprimitiveisagraphicsobjectthatisessentialforthecreationorconstructionofcompleximages.Apixelisapointoflight.Itisjustonetinydotontherasterdisplays.Lines,especiallystraightlines,constituteanimportantbuildingblockofcomputerimages.Incomputergraphics,straightlineissobasicincreatingimagesthatwecallitagraphicsprimitive.12/2/20223計(jì)算機(jī)專業(yè)英語第4版Apolygon,eventhoughgenerallyconstructedfromstraightlines,isanimportantgraphicsprimitive.Implementingapolygonasagraphicsprimitiveisnaturalandhelpful.Wecandefinepolygonasanimagewhichconsistsofafiniteorderedsetofstraightboundariescallededges.12/2/20224計(jì)算機(jī)專業(yè)英語第4版OutputPrimitivesGraphicsprogrammingpackagesprovidefunctionstodescribeasceneintermsofthesebasicgeometricstructures,referredtoasoutputprimitives,andtogroupsetsofoutputprimitivesintomorecomplexstructures.Pointsandstraight-linesegmentsarethesimplestgeometriccomponentsofpictures.12/2/20225計(jì)算機(jī)專業(yè)英語第4版Pointplottingisaccomplishedbyconvertingasinglecoordinatepositionfurnishedbyanapplicationprogramintoappropriateoperationsfortheoutputdeviceinuse.Linedrawingisaccomplishedbycalculatingintermediatepositionsalongthelinepathbetweentwospecifiedendpointpositions.Anoutputdeviceisthendirectedtofillinthesepositionsbetweentheendpoints.12/2/20226計(jì)算機(jī)專業(yè)英語第4版Digitaldevicesdisplayastraight-linesegmentbyplottingdiscretepointsbetweenthetwoendpoints.Forarastervideodisplay,thelinecolor(intensity)isthenloadedintotheframebufferatthecorrespondingpixelcoordinates.Moreeffectivetechniquesforsmoothingrasterlinesarebasedonadjustingpixelintensitiesalongthelinepaths.12/2/20227計(jì)算機(jī)專業(yè)英語第4版KeyWordsadjust調(diào)整，校正alternately輪流地，交替地appearance外觀，出場appropriate適當(dāng)?shù)模‘?dāng)?shù)腶rchitectural建筑上的，建筑學(xué)的conic圓錐曲面consecutive連續(xù)的，依次相續(xù)的corner角落，角，拐角curve弧線，曲線，彎曲deflection偏斜，偏角，偏轉(zhuǎn)dimensional維的，尺寸的discrete分離的，不相關(guān)的，非連續(xù)diverse不同的，多種多樣的，變化多的12/2/20228計(jì)算機(jī)專業(yè)英語第4版KeyWordselliptic橢圓形的endpoint終點(diǎn)feature特征，特點(diǎn)fortunately幸運(yùn)地intensity強(qiáng)烈，強(qiáng)度，力度intrinsic本質(zhì)的，真正的numerous很多的，多數(shù)的phosphor熒光pixel像素polygon多邊形proportional比例的，成比例的，相稱的purely完全地，十足地12/2/20229計(jì)算機(jī)專業(yè)英語第4版KeyWordsquadric二次曲面raster光柵ratio比率，系數(shù)，比值scene場景，布景smoothly平滑地，流暢地solid可靠的，實(shí)心的，固體的spline齒條，花鍵，方栓straight直，整齊surface表面，外觀vertex（復(fù)數(shù)vertices）頂點(diǎn)，最高點(diǎn)visualization可見性，形象化zigzag鋸齒12/2/202210計(jì)算機(jī)專業(yè)英語第4版Notes[1]Itisusedindiverseareassuchasdisplayingtheresultsofengineeringandscientificcomputationsandvisualization,producingtelevisioncommercialsandfeaturefilms,simulationandanalysisofrealworldproblems,computeraideddesign,graphicaluserinterfacesthecommunicationbandwidthbetweenhumansandmachines,etc.說明：這是一個典型的長句，主句是“Itisusedindiverseareas”，其后的部分作賓語補(bǔ)足語。譯文：它應(yīng)用于不同領(lǐng)域，如演示工程和科學(xué)計(jì)算及可視化的結(jié)果，制作電視廣告和特色電影，現(xiàn)實(shí)世界問題的模擬和分析，計(jì)算機(jī)輔助設(shè)計(jì)，增加人機(jī)間通信帶寬的圖形用戶接口等。12/2/202211計(jì)算機(jī)專業(yè)英語第4版Notes[2]Astructuralmethoddetermineswhichpixelsshouldbesetbeforedrawingtheline,aconditionalmethodtestscertainconditionstofindwhichpixelshouldbesetnext.說明：這是一個并列句，每部分講述一種方法，前部分的“whichpixelsshouldbesetbeforedrawingtheline”是賓語從句；后部分的“tofindwhichpixelshouldbesetnext”作賓語補(bǔ)足語。譯文：結(jié)構(gòu)方法是在畫線之前決定像素的位置，條件方法是先驗(yàn)證一定的條件從而再決定像素的位置。12/2/202212計(jì)算機(jī)專業(yè)英語第4版Notes[3]Apolygon,eventhoughgenerallyconstructedfromstraightlines,isanimportantgraphicsprimitive.說明：本句中的“eventhoughgenerallyconstructedfromstraightlines”作非限定性定語。譯文：多邊形，盡管通常由直線組成，但它也是重要的圖形元素。12/2/202213計(jì)算機(jī)專業(yè)英語第4版Notes[4]Thecharacteristicstairstepshapeofrasterlinesisparticularlynoticeableonsystemswithlowresolution,andwecanimprovetheirappearancesomewhatbydisplayingthemonhigh-resolutionsystems.說明：本句是并列句，在前部分，“Thecharacteristicstairstepshape”是主語，“rasterlines”作定語；后部分中，“we”是主語，“bydisplayingthemonhigh-resolutionsystems”是方式狀語。譯文：光柵線的這種特有的階梯現(xiàn)象在低分辨率的系統(tǒng)上特別明顯，我們可以通過使用高分辨率顯示系統(tǒng)來改善這一點(diǎn)。12/2/202214計(jì)算機(jī)專業(yè)英語第4版3.1.2TextBAdigitalimageisanarrayofrealorcomplexnumbersrepresentedbyafinitenumberofbits.Animagegivenintheformofatransparency,slide,photograph,orchartisfirstdigitizedandstoredasamatrixofbinarydigitsincomputermemory.Fordisplay,theimageisstoredinarapid-accessbuffermemorywhichrefreshesthemonitorat30frames/stoproduceavisiblycontinuousdisplay.12/2/202215計(jì)算機(jī)專業(yè)英語第4版Digitalimageprocessinghasabroadspectrumofapplications,suchasremotesensingviasatellitesandotherspacecrafts,imagetransmissionandstorageforbusinessapplications,medicalprocessing,radar,sonar,andacousticimageprocessing,robotics,andautomatedinspectionofindustrialparts.Imagesacquiredbysatellitesareusefulintrackingofearthresources;geographicalmapping;predictionofagriculturalcrops,urbangrowth,andweather;floodandfirecontrol;andmanyotherenvironmentalapplications.12/2/202216計(jì)算機(jī)專業(yè)英語第4版ImageFileFormatsImagefileformatsprovideastandardizedmethodoforganizingandstoringimagedata.Imagefilesaremadeupofeitherpixelsorvectordata.Imagecompressionisamethodofusingalgorithmstodecreasefilesize.Therearemanyimagefileformats,forexample,JPEG,PGF,TIFF,GIFandBMP.TheJPEGfilesdosufferstepwisedegradationwhenrepeatedlyeditedandsaved.12/2/202217計(jì)算機(jī)專業(yè)英語第4版ThePGF(ProgressiveGraphicsFile)isanewlyintroducedwavelet-basedbitmappedimageformat.TIFFisapopularformatforhighcolordepthimages,alongwithJPEGandPNG.GIFiswell-suitedformoresimpleimagessuchasgraphicsorsolidareasofcolor.TheBMPformatisusedinternallyintheMicrosoftWindowsoperatingsystemtohandlegraphicsimages.12/2/202218計(jì)算機(jī)專業(yè)英語第4版KeyWordsacoustic聽覺的，聲學(xué)的agricultural農(nóng)業(yè)的，農(nóng)學(xué)的animation動畫片artifact人工制品，手工藝品，加工品background背景，底色bitmap位圖cartoon卡通，漫畫compression壓縮，壓緊，加壓digitization數(shù)字化facsimile傳真，復(fù)制，摹本fashion時尚，時裝inclusion包含，包括internally內(nèi)部，內(nèi)joint接頭，關(guān)節(jié)，接合lossless無損，無失真12/2/202219計(jì)算機(jī)專業(yè)英語第4版KeyWordsmaneuvering移動，機(jī)動，操縱military軍事的，軍用的palette調(diào)色板progressive進(jìn)步的，進(jìn)行的simplicity簡單，純樸，簡樸slide幻燈片，滑面，載片sonar聲納spectrum譜，光譜，范圍stepwise逐步的，步進(jìn)的synthesis合成，綜合transparency投影膠片，透明裝飾urban城市，都市venture冒險，冒險行動wallpaper墻紙，壁紙wavelet微波，子波，小浪12/2/202220計(jì)算機(jī)專業(yè)英語第4版3.1ComputerGraphics

習(xí)題答案1.TranslatethefollowingphrasesintoEnglish像素比pixelratio幾何結(jié)構(gòu)geometricstructure數(shù)字圖像digitalimage電子束electronbeam輸出圖元outputprimitive12/2/202221計(jì)算機(jī)專業(yè)英語第4版2.TranslatethefollowingphrasesintoChinesecompressionalgorithm壓縮算法straightline直線imagefileformat圖像文件格式curvedline曲線three-dimensionalgraph三維圖形12/2/202222計(jì)算機(jī)專業(yè)英語第4版3.IdentifythefollowingtobeTrueorFalseaccordingtothetextTTTFF4.ReadingComprehensiondRadarandsonarcstraight-lineboutputdeviceapolygon12/2/202223計(jì)算機(jī)專業(yè)英語第4版3.2Multimedia3.2.1TextAWebreakthewordmultimediaintoitscomponentpart,wegetmulti—meaningmorethanone,andmedia—meaningformofcommunication.Thosetypesofmediaincludetext,audiosound,staticgraphicsimages,animationandfull-motionvideo.Becauseofwhathardwarecanandcannotdo,itisoftenatrade-offbetweenacertainnumberofstaticgraphicsimages,audiosound,full-motionvideoandtext.12/2/202224計(jì)算機(jī)專業(yè)英語第4版TextTextisthebasisforwordprocessingprogramsandisstillthefundamentalinformationusedinmanymultimediaprograms.Infact,manymultimediaapplicationsarebasedontheconversionofabooktoacomputerizedform.Bydisplayingtextinmorethanoneformat,themessageamultimediaapplicationistryingtoportraycanbemademoreunderstandable.12/2/202225計(jì)算機(jī)專業(yè)英語第4版Theintegrationofaudiosoundintoamultimediaapplicationcanprovidetheuserwithinformationnotpossiblethroughanyothermethodofcommunication.Audiosoundisavailableinseveraldifferentformats.AnotheraudiosoundformatistheWindowswavefile,whichcanbeplayedonlyonPCsrunningtheWindowsoperatingenvironment.AudioSound12/2/202226計(jì)算機(jī)專業(yè)英語第4版StaticGraphicsImagesStaticgraphicsimagesareanimportantpartofmultimediabecausehumansarevisuallyoriented.Staticgraphicsimageshaveanumberofformatsandcanbecreatedinanumberofdifferentways.Justasyoucanseeanunlimitednumberofphotographsorpictures,thetypesofstaticgraphicsimagesthatyoucanincludeinamultimediaapplicationarealmostunlimited.12/2/202227計(jì)算機(jī)專業(yè)英語第4版Animationreferstomovinggraphicsimages.Animationisespeciallyusefulforillustratingconceptsthatinvolvemovement.Suchconceptsasplayingaguitarorhittingagolfballaredifficulttoillustrateusingasinglephotograph,orevensseriesofphotographs,andevenmoredifficulttoexplainusingtext.Animationmakesiteasiertoportraytheseaspectsofyourmultimediaapplication.Animation12/2/202228計(jì)算機(jī)專業(yè)英語第4版Full-MotionVideoFull-motionvideo,suchastheimagesportrayedinatelevision,canaddevenmoretoamultimediaapplication.Full-motionvideoisstillinitsbeginningstagesonPCs,anditislimitedinresolutionandsize.12/2/202229計(jì)算機(jī)專業(yè)英語第4版KeyWordsbear忍受，支撐，熊bucket桶，水桶cardiopulmonary心肺clip夾子，卡子，剪content內(nèi)容，含量，滿足describe描寫，敘述guitar吉他infinite無限的，無窮的instantly即時的，立刻integration集成，整合，一體化microphone話筒multimedia多媒體narration敘述，故事12/2/202230計(jì)算機(jī)專業(yè)英語第4版KeyWordsofficially官方地，正式地playback播放，重放，放音portray描繪，描寫，描述pour傾瀉，涌出，倒publication出版，公布，發(fā)表reinforce增強(qiáng)，加固retention保留，保持resuscitation復(fù)蘇，復(fù)興，再興sequencer定序器，音序器suck吸入，吸取，吮textual文本的，教科書的understandable可理解的，可同情的12/2/202231計(jì)算機(jī)專業(yè)英語第4版Notes[1]Asamultimediaprogrammer,youcanchoosewhatfonttodisplaytextin,howbig(orsmall)itshouldbe,andwhatcoloritshouldbedisplayedin.說明：“Asamultimediaprogrammer”作狀語，“what…,how…,what…”是并列的賓語從句。譯文：一個多媒體程序員可以選擇要顯示文本的字體、字號大小以及顏色。12/2/202232計(jì)算機(jī)專業(yè)英語第4版Notes[2]Onetypeofapplication,whichmanypeopleuseeveryday,istheWindowsHelpEngine.說明：本句的“whichmanypeopleuseeveryday”是非限定性定語從句。譯文：Windows幫助模塊是許多人天天用到的多媒體應(yīng)用程序。12/2/202233計(jì)算機(jī)專業(yè)英語第4版Notes[3]Staticgraphicsimagesareanimportantpartofmultimediabecausehumansarevisuallyoriented.說明：本句由“because”引導(dǎo)原因狀語從句。譯文：靜態(tài)圖像是多媒體的重要部分，因?yàn)槿祟愂且曈X定位的。12/2/202234計(jì)算機(jī)專業(yè)英語第4版Notes[4]Althoughfull-motionvideomaysoundlikeanidealwaytoaddapowerfulmessagetoamultimediaapplication,itisnowherenearthequalityyouwouldexpertafterwatchingtelevision.說明：本句由“although”引導(dǎo)讓步狀語從句。譯文：雖然全運(yùn)動影像聽起來像是一個往多媒體程序中加入強(qiáng)有力信息的理想方法，但它無法達(dá)到人們看電視一樣的效果。12/2/202235計(jì)算機(jī)專業(yè)英語第4版3.2.2TextBAsthenamesuggests,multimediaisasetofmorethanonemediaelementusedtoproduceaconcreteandmorestructuredwayofcommunication.Throughoutthe1960s,1970sand1980s,computershavebeenrestrictedtodealwithtwomaintypesofdata—wordsandnumbers.Butwiththedevelopmentofthetechnology,computersarecapableofhandlinggraphics,audio,animationandvideo.Fastercomputersandtherapidgrowthofmultimediaprogramswillprobablyforeverchangethewaypeoplegetinformation.12/2/202236計(jì)算機(jī)專業(yè)英語第4版ElectronicGamesByfarthemostwidelyusedformofinteractivemultimediaaretheelectronicgames.Almosteachgameisahighlyinteractivemultimediaapplicationthatpresentslayered3Danimationwithsynchronizedsoundandmusiceffects.12/2/202237計(jì)算機(jī)專業(yè)英語第4版HypermediaBrowsersHypermediaisawayoforganizingmultimediainformationbylinkingmediaelements.Theelementsbeinglinkedarecallednodesandtheentireassemblageisahypermediaweb.Whenalinkexistsbetweentwonodestheyshouldberelatedinsomefashion.12/2/202238計(jì)算機(jī)專業(yè)英語第4版MultimediaPresentationSystemsAmultimediapresentationsystemprovidesinteractivepresentation,andsynchronouslymanipulatesmultimediamaterial.Examplesinclude“presentationsoftware”,usedtocompileanddisplayelectronic“slides”,andbrowsersformultimediadocuments.12/2/202239計(jì)算機(jī)專業(yè)英語第4版DesktopConferencingSystemsAdesktopcomputerequippedwithmicrophone,speakers,andavideocamera,andplacedonamultimedianetwork,canestablishaudioandvideoconnectionswithother,similarlyequippedmachines.Thisisthebasisofdesktopconferencing,whenthecomputerplaystheroleofamultimediacommunicationdevice.Theparticipantscansimultaneouslyeditthesharedobjectsandvieweachother’schanges.12/2/202240計(jì)算機(jī)專業(yè)英語第4版MultimediaServicesManymultimediaapplicationsfitunderthebroadheadingof“multimediaservices”.Themultimediaservicesincludeinteractiveshopping,banking,educationalandmedicalserviceswheremultimediaisusedtoenrichtheinterface,andVOD,whereusersplaybackremotelystoreddigitalvideointheirhomes.12/2/202241計(jì)算機(jī)專業(yè)英語第4版Fromgardeningtocookingtohomedesign,remodeling,andrepairtogenealogysoftware,multimediahasenteredthehome.Eventually,mostmultimediaprojectswillreachthehomeviatelevisionsetsormonitorswithbuilt-ininteractiveuserinputs.Themultimediaviewedonthesesetswilllikelyarriveonapay-for-usebasisalongthedatahighway.12/2/202242計(jì)算機(jī)專業(yè)英語第4版KeyWordsassemblage裝配，集合booth攤位，貨攤，隔開的小間cinema電影院，電影concrete具體的，實(shí)際的creative創(chuàng)造性，有創(chuàng)造力的crucial極緊要的，決定性的forever永遠(yuǎn)的，永恒genealogy家譜，宗譜，系譜grocery食品店，雜貨店hypermedia超媒體kiosk亭子，涼亭，公共電話亭participant參加者，參加的，參與的presentation陳述，介紹，表現(xiàn)remodeling重塑，改造remotely遙遠(yuǎn)地，偏僻地12/2/202243計(jì)算機(jī)專業(yè)英語第4版3.2Multimedia

習(xí)題答案

1.TranslatethefollowingphrasesintoEnglish多媒體服務(wù)multimediaservice數(shù)據(jù)壓縮datacompression國際標(biāo)準(zhǔn)internationalstandard多媒體演示系統(tǒng)multimediapresentationsystem文字的信息textualinformation12/2/202244計(jì)算機(jī)專業(yè)英語第4版2.TranslatethefollowingphrasesintoChineseDesktopConferencingSystem桌面會議系統(tǒng)mediaelement媒體元素playbackrate回放速度full-motionvideo全運(yùn)動視頻multimediaapplication多媒體應(yīng)用程序12/2/202245計(jì)算機(jī)專業(yè)英語第4版3.IdentifythefollowingtobeTrueorFalseaccordingtothetextFFTTF4.ReadingComprehensioncTextdformatsamultimediaapplicationbunderstandable12/2/202246計(jì)算機(jī)專業(yè)英語第4版3.3ComputerAnimation3.3.1TextAInadditiontochangingobjectpositionwithtranslationsorrotations,acomputer-generatedanimationcoulddisplaytimevariationsinobjectsize,color,transparency,orsurfacetexture.Manyapplicationsofcomputeranimationrequirerealisticdisplays.Therearemanyentertainmentandadvertisingapplicationsthatdorequireaccuraterepresentationsforcomputer-generatedscenes.12/2/202247計(jì)算機(jī)專業(yè)英語第4版Ingeneral,asequenceisdesignedwiththefollowingsteps:StoryboardlayoutObjectdefinitionsKey-framespecificationsGenerationofin-betweenframes12/2/202248計(jì)算機(jī)專業(yè)英語第4版Thisstandardapproachforanimatedcartoonsisappliedtootheranimationapplicationsaswell,althoughtherearemanyspecialapplicationsthatdonotfollowthissequence.Thestoryboardisanoutlineoftheaction.Itdefinesthemotionsequenceasasetofbasiceventsthataretotakeplace.Anobjectdefinitionisgivenforeachparticipantintheaction.Objectcanbedefinedintermsofbasicshapes,suchaspolygonsorsplines.12/2/202249計(jì)算機(jī)專業(yè)英語第4版Akeyframeisadetaileddrawingofthesceneatacertaintimeintheanimationsequence.In-betweensaretheintermediateframesbetweenthekeyframes.Thenumberofin-betweensneededisdeterminedbythemediatobeusedtodisplaytheanimation.12/2/202250計(jì)算機(jī)專業(yè)英語第4版Somestepsinthedevelopmentofananimationsequencearewellsuitedtocomputersolution,theseincludeobjectmanipulationsandrendering,cameramotions,andthegenerationofin-betweens.Onefunctionavailableinanimationpackagesisprovidedtostoreandmanagetheobjectdatabase.Anothertypicalfunctionsimulatescameramovements.Standardmotionsarezooming,panning,andtilting.12/2/202251計(jì)算機(jī)專業(yè)英語第4版KeyWordsconsecutively連續(xù)地duplicate復(fù)制品，副本的entertainment娛樂，游藝imply暗示，意味著interval間隔，區(qū)間intricate錯綜的，復(fù)雜的motion運(yùn)動，動機(jī)，意向outline大綱，提綱panning全景拍攝，移鏡頭phenomenon現(xiàn)象，事件12/2/202252計(jì)算機(jī)專業(yè)英語第4版KeyWordsrealistic現(xiàn)實(shí)的，逼真的render表現(xiàn)，描寫，反映rotation旋轉(zhuǎn)，輪轉(zhuǎn)sketch素描，草圖，速寫soundtrack音帶，聲跡storyboard故事情節(jié)，劇本thunderstorm雷雨tilting傾斜，傾卸12/2/202253計(jì)算機(jī)專業(yè)英語第4版Notes[1]Althoughwetendtothinkofanimationasimplyingobjectmotions,thetermcomputeranimationgenerallyreferstoanytimesequenceofvisualchangesinascene.說明：本句由“although”引導(dǎo)讓步狀語從句。譯文：盡管我們在考慮動畫時傾向于想到暗指對象的移動，但術(shù)語“計(jì)算機(jī)動畫”通常指場景中任何隨時間而發(fā)生的視覺變化。12/2/202254計(jì)算機(jī)專業(yè)英語第4版Notes[2]Real-timecomputeranimationsproducedbyflightsimulators,forinstance,displaymotionsequencesinresponsetosettingsontheaircraftcontrols.說明：本句的“producedbyflightsimulators”作定語，修飾主語，“forinstance”是插入語，“tosettingsontheaircraftcontrols”作目的狀語。譯文：例如，飛行模擬器生成的實(shí)時計(jì)算機(jī)動畫按飛機(jī)控制器上的動作來顯示動畫序列。12/2/202255計(jì)算機(jī)專業(yè)英語第4版Notes[3]Dependingonthetypeofanimationtobeproduced,thestoryboardcouldconsistofasetofroughsketchesoritcouldbealistofthebasicideasforthemotion.說明：本句的“Dependingonthetypeofanimationtobeproduced”是分詞結(jié)構(gòu)作狀語，其后是并列句。譯文：依賴于要生成的動畫類型，劇本可能包含一組粗略的草圖或運(yùn)動的一系列基本思路。12/2/202256計(jì)算機(jī)專業(yè)英語第4版Notes[4]Ifthemotionisnottoocomplicated,wecouldspacethekeyframesalittlefartherapart.說明：本句由“if”引導(dǎo)條件狀語從句，“alittlefartherapart”作賓語補(bǔ)足語。譯文：如果運(yùn)動并不是很復(fù)雜，我們可以將關(guān)鍵幀安排得稀一點(diǎn)。12/2/202257計(jì)算機(jī)專業(yè)英語第4版3.3.2TextBImagerestorationmeanstheremovalorreductionofdegradationthatwereincurredwhilethedigitalimagewasbeingobtained.Thesedegradationsincludetheblurringthatcanbeintroducedbyopticalsystems,imagemotion,andsoon.Theaimofimagerestorationistobringtheimagestowardwhatitwouldhavebeenifithadbeenrecordedwithoutdegradation.12/2/202258計(jì)算機(jī)專業(yè)英語第4版ThefieldofimagerestorationbeganprimarilywiththeeffortsofscientistsinvolvedinthespaceprogramsofboththeUnitedStatesandtheformerSovietUnioninthe1950sandearly1960s.TheseprogramswereresponsibleforproducingmanyincredibleimagesoftheEarthandoursolarsystemthat,atthattime,wereunimaginable.12/2/202259計(jì)算機(jī)專業(yè)英語第4版Digitalimagerestorationisbeingusedinmanyotherapplicationsaswell.Justtonameafew,restorationhasbeenusedtorestoreblurryX-rayimagesofaircraftwingstoimprovefederalaviationinspectionprocedures.Digitalrestorationisalsousedtorestoreimagesofelectronicpiecepartstakeninassembly-linemanufacturingenvironments.Allinall,itisclearthatthereisaveryrealandimportantplaceforimagerestorationtechnologytoday.12/2/202260計(jì)算機(jī)專業(yè)英語第4版Digitalimagerestorationisafieldofengineeringthatstudiesmethodsusedtorecoveranoriginalscenefromdegradedobservations.Itisanareathathasbeenexploredextensivelyinthesignalprocessing,astronomical,andopticscommunitiesforsometime.Imagereconstructiontechniquesarealsogenerallytreatedseparatelyfromrestorationtechniques,sincetheyoperateonasetofimageprojectionsandnotonafullimage.12/2/202261計(jì)算機(jī)專業(yè)英語第4版KeyWordsastronaut宇航員，航天員aviation航空，飛機(jī)制造業(yè)blurring模糊，斑點(diǎn)甚多，混亂budget預(yù)算，預(yù)算案，預(yù)算撥款，按預(yù)算來計(jì)劃compensate補(bǔ)償，抵消corrupt墮落，腐敗，錯誤百出的degradation退化，失真，降級devastate破壞，毀滅enhancement增強(qiáng)，提高，改善federal聯(lián)邦的，同盟的gravitationless

失重，無重力，無地心引力halftone半音，中間色，網(wǎng)板meaningful有意義的，有意圖的missile導(dǎo)彈，投射物mission使命，把任務(wù)交給，派遣12/2/202262計(jì)算機(jī)專業(yè)英語第4版KeyWordsplanetary行星的projection投影，投射，預(yù)測，規(guī)劃realm領(lǐng)域，范圍，界，境界reconstruction重建，再現(xiàn)restoration恢復(fù)，復(fù)原spacecraft宇宙飛船，航天器spinning使……旋轉(zhuǎn)superposition重疊，疊加，重合temporally暫時的tumble倒塌，翻滾unimaginable難以想象的，想不到的12/2/202263計(jì)算機(jī)專業(yè)英語第4版3.3ComputerAnimation

習(xí)題答案1.TranslatethefollowingphrasesintoEnglish時間間隔timeinterval圖像恢復(fù)imagerestoration實(shí)時回放real-timeplayback偽彩色pseudo-color圖像重建技術(shù)imagereconstructiontechnique12/2/202264計(jì)算機(jī)專業(yè)英語第4版2.TranslatethefollowingphrasesintoChineseopticalsystem光學(xué)系統(tǒng)in-betweenframe插值幀linearalgebra線性代數(shù)imageenhancementtechnique圖像增強(qiáng)技術(shù)animationsequence動畫序列12/2/202265計(jì)算機(jī)專業(yè)英語第4版3.IdentifythefollowingtobeTrueorFalseaccordingtothetextTFFTT4.ReadingComprehensiond1440c24framesaimagesdlayers12/2/202266計(jì)算機(jī)專業(yè)英語第4版3.4MultimediaSoftware3.4.1TextAMacromediaDreamweaverisaprofessionalHTMLeditorforvisuallydesigningandmanagingwebsitesandpages.Dreamweaverincludesmanycodingtoolsandfeatures.Dreamweaver’svisualeditingfeaturesalsoletyouquicklyadddesignandfunctionalitytoyourpageswithoutwritingalineofcode.12/2/202267計(jì)算機(jī)專業(yè)英語第4版Dreamweavercandisplayadocumentinthreeways:inDesignview,inCodeview,andinasplitviewthatshowsboththedesignandcode.Inaddition,youcanworkwithDreamweaver’sdesignviewintwodifferentwaysinlayoutviewandstandardview.Youselecttheseviewsintheviewcategoryoftheobjectspanel.12/2/202268計(jì)算機(jī)專業(yè)英語第4版AdobePhotoshopAdobePhotoshopisakindofphotoretouching,imageediting,andcolorpaintingsoftware.Photoshopprovidesintegratedtoolsforcreatingandoutputtingcrisp,editablevectorshapesandtext.Thenewrectangle,roundedrectangle,ellipse,polygon,andlinetoolsletyoucreateawidevarietyofvector-basedshapes.Thesetoolscanbeusedtocreateshapelayers.12/2/202269計(jì)算機(jī)專業(yè)英語第4版Photoshoppresentsanintuitivenewlayereffectsinterface,anewselectionofeffectoptions,andnewsupportforsavingyourlayereffectdesignsaslayerstylesforongoinguse.Applyinglayerstylesiseasy:youcreatetype,shapes,andotherartworkelementsonalayer,