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find Keyword "图像后处理" 4 results
  • Research on the Application of Digital Radiography Panoramic Image Mosaic Technology for Osteoarticular System

    目的 探讨数字X线摄影(DR)的全景拼接技术在骨关节系统疾病中的临床应用价值。 方法 回顾分析2011年1月-2013年3月采用“连续多次曝光后手动软件拼接技术”及“狭缝连续拍摄自动软件拼接技术”所得的各100例(全脊柱50例,下肢全长50例)全景拼接图像,对图像质量进行评价,分析其技术特点及应用优势。 结果 两种拼接技术所得的全景拼接图像都清晰、连续、完整、质量合格,能有效满足临床诊疗需求,在质量上两者无明显差异。前者所需时间稍长,对操作者技术及经验要求较高,后者操作更显快捷方便,但设备较昂贵。 结论 DR全景拼接技术在骨关节系统疾病中有很好的普及推广应用价值,能为骨科临床提供新的更有价值的信息。

    Release date:2016-09-07 02:38 Export PDF Favorites Scan
  • Evaluation on Features of Thoracic Vertebrae Rotation and Pedicle of Vertebral Arch Diameter Change with 16 Slice Spiral CT in Patients with Adolescent Idiopathic Scoliosis

    摘要:目的:探讨16层螺旋CT图像后处理技术对青少年特发性脊柱侧凸的胸椎旋转和椎弓根径线变化特点及临床价值。 方法:收集经临床诊治的青少年特发性脊柱侧凸20例,运用16层螺旋CT扫描及图像后处理技术,进行相关CT数据测量统计。结果:(1)脊柱胸椎侧凸的顶椎及邻近椎体均向凸侧旋转、后份向凹侧旋转,以顶椎旋转最重,且凹侧椎弓根径线小于凸侧,与侧凸程度及方向具有相关性。(2)上、下终椎椎体旋转及椎弓根径线变化则较复杂,其椎体无旋转或向相反方向旋转,椎弓根径线可凸侧小于凹侧,以上终椎明显。结论:16层螺旋CT及图像后处理技术,对显示青少年特发性脊柱侧凸胸椎旋转及椎弓根径线变化特征,可提供临床拟订手术方案的重要影像学依据。

    Release date:2016-09-08 10:00 Export PDF Favorites Scan
  • 核磁共振图像后处理技术在癫痫术前评估中的应用

    在临床工作中,约有30%的患者为难治性癫痫患者。手术治疗有时可能是难治性癫痫最后的治疗方案。然而对于核磁共振(MRI)阴性的癫痫患者,手术治疗有时会十分困难,这类患者术后癫痫无发作率也明显低于MRI有病灶的患者。应用全脑MRI图像后处理技术,对于发现微小病灶有巨大帮助。现就MRI后处理技术在难治性局灶性癫痫术前评估中的应用进行综述,旨在提高临床医师对该病的认识并促进其运用。

    Release date:2016-11-28 01:27 Export PDF Favorites Scan
  • Application of image texture analysis in diagnosis and treatment of gastric cancer

    ObjectiveTo summarize the application of image texture analysis in the diagnosis and treatment of gastric cancer.MethodsReviewed the literatures on the application of image texture analysis related methods in the diagnosis and treatment of gastric cancer, and summarized the value of texture analysis in the diagnosis and treatment of gastric cancer in terms of diagnosis, staging, curative effect evaluation, and prognosis prediction.ResultsImage texture analysis had been widely used in diagnosis, staging, curative effect evaluation, prognosis prediction of gastric cancer, and other related diagnosis and treatment applications.ConclusionsImage texture analysis is an important part of the diagnosis and treatment of gastric cancer, which has a good development prospect.

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