学科分类
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8 个结果
  • 简介:为了更方便地并且更快速理解超声图象的内容,在这份报纸,我们建议一个coarse-to-fine超声图象captioning整体模型,它能自动地产生由相关n克构成在超声图象描述疾病信息的注解文章。首先,在超声图象的机关被粗糙的分类模型检测。第二,超声图象被相应有细密纹理的分类模型根据机关标签编码。最后,我们输入编码向量到产生模型自动地产生的语言产生模型,和语言在超声描述疾病信息的注解文本想象。在我们的实验,编码模型能在超声图象识别获得高精确性率。并且语言产生模型能自动地产生高质量的注解文本。在实际应用,coarse-to-fine超声图象captioning整体模型能帮助病人和医生获得很好超声图象的内容理解。

  • 标签: 超声图象 整体模型 编码模型 分类模型 模型检测 图象识别
  • 简介:Commonpracticedictatestheperformanceofpercutaneouscoronaryinterventionunderconventionalangiographicguidance.Withstudiessuggestingthehighincidenceofintraobservervariability,especiallyinangiographicborderlinelesions,newmodalitiessuchasintravascularultrasound(IVUS)guidanceduringpercutaneouscoronaryinterventionhavesurfaced.MultiplestudieshaveshownimprovedoutcomeswithIVUSguidance,mainlydrivenbyadecreaseinischemia-driventargetlesionrevascularization.Inthepasttwodecades,amultitudeofstudieshaveinvestigatedtheusesandclinicaloutcomesassociatedwiththistechnology.Inthisreview,wehighlighttheutility,advantages,economicimplications,andclinicaloutcomesofIVUSguidanceoverstandardangiographicguidance,withemphasisondataastheypertaintoIVUS-guidedstentimplantation.

  • 标签: BARE metal STENT DRUG-ELUTING STENT INTRAVASCULAR
  • 简介:Acuteaorticsyndromeincludesclassicaorticdissection,aorticintramuralhematoma,andpenetratingatheroscleroticulcer–agroupofconditionsthataredefinedbytheirdynamicevolutionandsimilarclinicalmanifestation.Accuratediagnosisandprompttreatmentareessentialasalltheaforementionedconditionsareasignificantthreattoapatient’slife.However,acuteaorticsyndromeandespeciallyaorticintramuralhematomamaybechallengingdiagnosticproblems.Intravascularultrasoundimagingisadiagnosticmethodthatcanbeusefulformorethoroughevaluationoftheaorticlesionandcanparticularlyaidindiscerningthedifferentformsofacuteaorticsyndrome.Wepresentacaseofapatientwithaorticintramuralhematomathatwasmissedbyconventionalimagingstudiesbutwassuccessfullyvisualizedwithintravascularultrasoundimaging.

  • 标签: acute AORTIC syndrome AORTIC dissection AORTIC
  • 简介:在这个工作,加入铝到钢被超声进行提高的磨擦促使焊接(USE-FSW)。力量超声被一个超声的转动缝接模块同时地介绍给进金属表之一FSW过程。产生焊接,他们的微观结构和他们的腐蚀性质上的超声的效果被轻、扫描的电子显微镜学和腐蚀调查调查。USE-FSW-joints在接口在金块地区以及FeAl3的一个更薄的连续金属间化合的阶段显示出更少和更小的钢粒子。计算laminography的非破坏性的测试方法证明了眼的显微镜学为两种技术由于非多孔的关节做的观察。腐蚀调查在钠氯化物答案为ENAW-6061/DC04-hybrid关节显示出仅仅低的腐蚀电流密度和没有提高的流电的腐蚀。

  • 标签: 腐蚀性质 超声 焊接 磨擦 电子显微镜