射线实时成像检测图像质量的改进方法

详细信息

Methods of Improving on Image Quality of Real-Time Radiography Inspection

摘要: 研究了射线实时成像检测时改进图像质量的方法。采用外加磁场的方法矫正钢管剩磁，可克服由钢管剩磁引起的X射线图像畸变。在射线源上方附近及图像增强器输入屏处放置铅板，可减小由射线散射引起的图像噪声。采用独立电源和图像增强器单独接地等手段，可降低设备干扰引起的X射线图像噪声。通过合理选择射线源焦点、焦距和图像放大倍数，减少了X射线实时成像检测图像的不清晰度。
- 射线实时成像检测 /
- 图像质量 /
- 清晰度
Abstract: New methods were proposed to improve the original X-ray image quality. The distortion of X-ray image caused by remnant magnetism of steel pipe was avoided by adopting additional magnetic field. The noise of X-ray image caused by X-ray scattering was reduced by additional lead pieces. The noise of X-ray image caused by electro magnetic interference was decreased by proper assignment of power supply. And the definition of X-ray image was improved by properly selecting of X-ray source and its focus.
- Radiographic testing /
- Image quality /
- Definition

[1]	郑世才.射线检测\[M\].北京：机械工业出版社,1993.
[2]	荆峰.提高X 射线实时成像系统灵敏度和清晰度的方法\[J\].无损探伤,2004,28(6):19-20.