Conclusion: Image quality of CTPA is mainly influenced by scan and postprocessing technique. Rational application of imaging technique attributes to improved diagnostic accuracy of PE.
结论：CTPA的成像质量主要受扫描技术及图像后处理技术的影响，合理应用成像技术可进一步提高PE诊断准确率。
Because of the speciality of imaging environment in the deep sea, the quality of image is poor, traditional image technique cannot meet the need of application.
由于水下成像环境的特殊性，水下图像成像质量较差，传统图像处理技术已无法满足应用要求。
The increase of image resolution can bring a brilliant prospects for the application of pulse discharge imaging technique in the engineering area.
成像清晰度的提高，为脉冲放电成像技术在工程上的应用奠定了基础。
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