Methods Two methods of enlarging the FOV in digital holography: pre-imaging method and image splicing method are proposed and researched theoretically.
通过对常用图像拼接方法的研究，针对显微图像的特点，提出了一种显微图像的快速拼接算法。
D. It will have one pre. facing camera and advanced imaging system.
它有一个前置摄像头和先进的成像系统。
Objective To investigate synthetical evaluation of pre-operation of liver transplantation with MRI scanning technology and vessel imaging methods, and offer message of operation project.
目的应用MRI扫描成像技术和血管成像方法对肝移植进行术前综合评价，为肝移植手术方案的制定提供依据。
Objective: To evaluate the value of MR Imaging (MRI) in diagnosing brachial plexus pre-ganglionic injury.
目的：探讨MRI检查在诊断臂丛神经节前损伤中的影像表现和诊断价值。
Through further researches imaging well logging will be perfect and pre - dominate in well logging technologies. It will play an important role in oil and gas exploration and development.
成像测井通过研究不断完善、进步，将成为主流测井技术，在油气勘探开发中发挥重要的作用。
In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.
在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。
This paper has made some searching in Complex structure fine pre-stack processing and pre-stack migration imaging, and has achieved some results.
本文就这两个问题，在复杂构造叠前精细处理、复杂构造叠前偏移成像等方面开展了一些探索，取得了一定的效果。
The technique of seismic pre-stack depth migration is used to correctly implement the complex structural imaging.
采用地震造前深度偏移技术，使复杂构造正确成像。
For enhancing the migrated imaging, these techniques, like DMO, migration velocity field smoothing and pre-stack depth migration, are used.
采用DMO、偏移速度场平滑、叠前深度偏移等技术提高偏移成像精度。
Objective To evaluate left heart function in pre-dialysis patients with different stages of chronic kidney disease (CKD) by tissue Doppler velocity imaging (TVI).
目的采用组织多普勒速度成像（TVI）评价不同阶段慢性肾脏疾病患者的左心功能变化。
Objective: to investigate the value of color Doppler flow imaging (CDFI) for prediction of pre eclampsia and to assess the preventive effect of eclampsia with low dose aspirin.
目的：研究彩色多普勒超声预测先兆子痫的价值及小剂量阿司匹林防治的意义。
The procedure is rapid and easy to perform without restricted access to the patient and-by replacing pre - and postoperative imaging-is not associated with an additional exposure to radiation.
步骤简单迅速无禁忌，并且由于其替代了术前及术后的拍片，其射线量并无任何增加。
Although the wave field based pre-stack depth migration is the most reliable method for complex structure imaging, it has a high computation cost and a poor adaptation to geometry.
基于波场延拓的叠前深度偏移是实现复杂构造地质体成像的可靠方法，但存在着计算量大、对观测系统适应性差等缺点。
Conclusion renal cell carcinoma multi-phase MDCT scan, renal cortex in the pre-operative diagnostic imaging has important diagnostic value.
结论肾细胞癌mdct多期增强扫描中，肾皮质期在术前影像诊断中具有重要的诊断价值。
The model can be used to design or evaluate X-ray imaging system and can also be a pre-knowledge of blur function in X-ray image restoration.
该模型为X射线成像系统空间分辨率和密度分辨率的初步设计和评定提供了理论依据，可作为X射线图像恢复算法中模糊函数的先验信息。
The model can be used to design or evaluate X-ray imaging system and can also be a pre-knowledge of blur function in X-ray image restoration.
该模型为X射线成像系统空间分辨率和密度分辨率的初步设计和评定提供了理论依据，可作为X射线图像恢复算法中模糊函数的先验信息。
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