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1、內(nèi)蒙古師范大學(xué)碩士學(xué)位論文effectofbinarizationwhenchoosedifferentthresholdsforthesameimage，andtheeffectofbinarizationiSbetterwhenthebestthresholdiSchosen．Themulti—distortednematodeseggsareanalysedbyusingthePseudo—Jacobi—Fouriermomentfunctions．Andthen，theinvariantm
2、omentoftrainingsamplesetiscalculated，andthefeatureextractionofinvariantmomentisfinishedtobuiltdatabaseofthemorphologyfeaturesofwormeggs．Thestructureofthedatabaseofthemorphologyfeaturesofwormeggsisnotonlyprovidesanimportantexperimentaldata，butalsoaprer
3、equisiteforthewormeggsclassificationcounting．ItcanbeprovedthroughthesimulationexperimentthatthePseudo—Jacobi—Fouriermoment(p=4，q=3)isverysuitablefordigitaldescriptionanddistortionresistanceofasmallimagesthattheshapeissimilar，．Therefore，theinvariantmom
4、entcanbeusedasfeatureextractionquantitiesforidentification，classificationandcountingofmorphologyfeaturesofwormeggs，inordertobuilttheinvariantmomentdatabaseafterthefeatureextraction，toincreasetheclinicaltestingefficiencyofparasiticdisease．KEYWORDS：digi
5、talimage，Pseudo—Jacobi(p=4，q=3)一Fouriermoment，wormegg，multi—distortedinvariant，nematodeegg內(nèi)蒙古師范大學(xué)碩士學(xué)位論文目錄1引言???????????????????????????11．1圖像數(shù)字化處理及不變矩的概述?????????????11．1．1圖像的數(shù)字化處理概況??????????????l1．1．2不變矩在圖像處理中的應(yīng)用???????????．21．2研究背景及意義??????????????
6、?????．31．3國內(nèi)外研究進展???????????????????41．3．1蟲卵圖像的數(shù)字化研究?????????????．．41．3．2圖像分析中的不變矩???????????????．61．4本文研究的內(nèi)容????????????????62線蟲蟲卵圖像預(yù)處理????????????????????82．1細頸線蟲蟲卵圖像的濾波去噪?????????????82．1．1中值濾波??????????????????。92．1．2均值濾波????????????????????．102．1
7、．3空間域濾波???????????????????．112．1．4模糊增強濾波??????????????????．132．1．5高斯低通濾波??????????????????．142．1．6高斯高通濾波??????????????????．142．1．7小結(jié)?????????????????????．152．2細頸線蟲蟲卵圖像的二值化??????????．??．．152．2．1中值濾波后的圖像二值化?????????．???．162．2．2均值濾波后的圖像二值化?????????????16
8、2．2．3空間域濾波后的圖像二值化????????????172．2．4模糊增強濾波的圖像二值化????????????192．2．5高斯低通濾波的圖像二值化????????????202．2．6高斯高通濾波的圖像二值化????????????2l2．2．7小結(jié)??????????????．???????．．2】1弓l言1引言l。1圖像數(shù)字化處理及不變矩的概述1．1．1圖像的數(shù)字化處理概況圖像的數(shù)字化處理通常是利用計算機來進行處理的，所螃也叫做計算機圖像處理。吞4用計算機處理圖像時
