基于matlabgui的汽油机缸内直接喷雾图像处理方法

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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/287038902Digitalimageprocessingmethodofgasolinedirectinjectionspraybasedonmatlab/GUIArticleinNongyeJixieXuebao/TransactionsoftheChineseSocietyofAgriculturalMachinery·September2013DOI:10

2、.6041/j.issn.1000-1298.2013.09.004CITATIONREADS1705authors,including:ZhaowenWangHuazhongUniversityofScienceandTechnology43PUBLICATIONS100CITATIONSSEEPROFILESomeoftheauthorsofthispublicationarealsoworkingontheserelatedprojects:enginetestViewprojectcoolingsystemViewprojectAllcontentfoll

3、owingthispagewasuploadedbyZhaowenWangon26April2016.Theuserhasrequestedenhancementofthedownloadedfile.2013年9月农业机械学报第44卷第9期doi:10．6041/j．issn．1000-1298．2013．09．004*基于Matlab/GUI的汽油机缸内直接喷雾图像处理方法王兆文李浩黄都黄荣华丁红元(华中科技大学能源与动力工程学院，武汉430074)摘要:设计了基于Matlab/GUI的汽油机缸内直接喷雾图像实时处理程序，实现了图像处理的可视化操作。由于汽油挥

4、发性较强，使得汽油机缸内直接喷雾图像相对柴油喷雾图像而言，雾形边界相对模糊，且喷雾图像信噪比较差。为准确提取汽油机缸内直接喷雾研究中所需的喷雾贯穿距、喷雾锥角、周长以及面积等参数，需要在图像处理过程中精确地提取喷雾边界，为此进行了精确的噪声滤波、边缘检测、形态学优化等图像处理。在确定雾形边界后，进一步编写程序计算出喷雾贯穿距、喷雾锥角、喷射速度等参数，实现了喷雾特性参数的实时测量。关键词:缸内直喷喷雾边界图像处理喷雾参数Matlab/GUI中图分类号:TK437文献标识码:A文章编号:1000-1298(2013)09-0019-05DigitalImagePro

5、cessingMethodofGasolineDirectInjectionSprayBasedonMatlab/GUIWangZhaowenLiHaoHuangDuHuangＲonghuaDingHongyuan(SchoolofEnergyandPowerEngineering，HuazhongUniversityofScienceandTechnology，Wuhan430074，China)Abstract:Animageprocessingprogramwithgoodinstantaneityforgasolinedirectinjectionspra

6、ybasedonMatlab/GUIwasdesignedandtheprogramrealizedvisualoperationinterface．Asgasolineisfuelwithgreatvolatile，thesprayboundaryofGDIimageisrelativeobscureandSNＲofthesprayimageisnotsatisfiedcomparedwiththatindieselinjection．Togettheaccuratespraypenetration，coneangle，perimeter，areaandothe

7、rneededparameters，thesprayboundarywaspreciselyextractedintheimageprocessing．Noisefiltering，boundarydetection，morphologicalanalysisandotherrelatedmethodshavebeenused．Afterthesprayboundarywasobtained，programtocalculatespraypenetration，coneangle，injectionvelocityandotherparameterswasdeve

8、loped