中國常用進口木材視覺特性研究及綜合性質檢索系統(tǒng)的構建.pdf

1、東北林業(yè)大學碩士學位論文中國常用進口木材視覺特性研究及綜合性質檢索系統(tǒng)的構建姓名：賈瀟然申請學位級別：碩士專業(yè)：木材科學與技術指導教師：劉迎濤；郭明輝201006AbstractAbstractSincethe‘NaturalVirginForestProtecetionProject’，01117countryhasbeenimportingaround300differentkindsoftimberfrommorethan60co

2、untries，andyetithasayearlygrowingtendency，thereforemakinguseofimportedtimbereffectivelybecamemoreandmoreimportantCurrentlywealreadyhavebooksanddocumentationsrelatedoninternationaltradedtimber’Swoodproperties，butwelackqua

3、ntitativemeasurementandfurtheranalysisonthevisualsurfacepropertiesoftheimportedtimberthatarecommonlyusedinChinaForthatreasonthisthesischosearound250varietiesoftreestomeasuresurfacecolorsandlusterClassifyallthetreesbythei

4、rgrowthregiontoinvestigatethewoodcolordistributionlawofeachregion，discusstheregionaleffectfactortowoodcoloronthatbasisWiththegrowingofdigitalimagingtechnologyandwidespreaduseintheareaofwoodprocessing、produce、identificati

5、onereThethesisalsointroducedalleWmethodofmeasuringsurfacecolorbaseddigitalimagingtechnologyThismethodusesscannertoSCanadigitalimageofwood’Ssurface，thenmeasureitscolorvalueinphotoshop，applyregressionanalysistothecomputero

6、btainedmeasurementsandspectrophotometerobtainedmeasurementstobuildaregressionequationthroughthismodelwecanforecasttheapproximativevaluetoactualwoodcolorbyonlymeasuringthedigitalimageDatebaseretrievalsystemwitIlitsaspects

7、offast、efficient、accurate、convenient、etehasbeenwidelyusedintheareaofwoodinformationretrievalandidentificationThethesisanalyzedandstudiedthecurrentstatusquoofworldcommercialtimbertookcommonlyusedimportedtimbersinChinaasre

8、searchobjecttocollectandorganizealargeamountofinformationThethesiscontainsaretrievalsystemofcommonlyimportedwoodbyChinaestablishedbyusingDelphiandAccessThesystemcollected60families370kindsofwoodsamplesfromdifferentregion

9、sallovertheworld，individualinformationcontains：name；macroandmicrocharacteristics，thephysical，mechanicsandmachiningproperties；visualphysicalpropertyofsurface；habitatandpurposeofuse；growingenvironment；ereAlsocontainspictur

10、esofrawwood；crosssection；sampleandmicroanatomicalimageetcThesystemprovidesmultidifferentquerymethodUnderthesituationofmultipleconditionsinfuzzyindexing，fortheconvenienceofusel3，eachinputboxhasapulldownmenuofwhichprovides

11、alternativeconditionsOfcourseyouCallinputkeywordsaccordingtotheneedInordertoprovidesabetterinformationservicetousersonwoodstudyeducation，productionandoperationetcThesystemprovidesDataMaintenanceFunctionthroughwhichyouCal