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。

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Objective: To evaluate the double-phase scan combined with image post-processing using multi-slice spiral ct (MSCT) on pre-operative assessment in pancreatic carcinoma.

目的：探讨多层螺旋ct双期增强扫描及图像后处理在胰腺癌手术可切除性研究中的应用价值。

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He noted that in rural areas where such beliefs are more common, women often give birth without ever seeing a midwife, let alone having a pre-natal scan.

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Within the study, participants were asked to quickly scan a row of digits and cross out consecutive numbers that add to a pre-specified total (for example, any two numbers that total 3).

CNN: A New Year's resolution for the workplace