thermal subtraction technique 消热法
dr dual-energy subtraction technique dr双能量减影
dual-isotope subtraction technique [核] 双同位素相减技术
image subtraction technique 图像减影技术
digital subtraction technique 数字减影法
strength subtraction technique 强度折减法
background subtraction technique 减背景技术
absorbance subtraction technique 吸光度减法技术
PART 1 THE STUDY OF CEREBRAL VENOUS SYSTEM COMPUTED TOMOGRAPHIC ANGIOGRAPHYObjective: To discuss the display capabilities and advantages of subtraction technique of computed tomographic angiography (CTA) to the cerebral veins and venous sinuses.
第一部分脑静脉系统CT血管成像研究目的:探讨CTA减影技术对脑静脉(窦)的显示能力及优势。
参考来源 - 脑静脉系统64层螺旋CT血管成像及临床应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Method: The artificial neural network of reverse transmission and absorbance subtraction technique were used.
方法：联合应用反向传播人工神经网络和吸光度减法技术。
Background subtraction technique has been widely used in many vision systems as a preprocessing step for object detecting and tracking.
背景差异抠图算法在许多视觉系统中因被用作物体跟踪、检测的预处理步骤而被广泛使用。
In order to improve the accuracy of the measurement of superposition hole, an approximate solution based on image subtraction technique to identify the superposition holes was put forward.
为了提高纸靶重孔的测量准确性，提出一种基于图像减影技术的重孔识别方法。
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