以双侧LGN信噪比（SNR）及LGN与周围感兴趣组织（包括视放射、内囊后肢及脑脊液）的对比噪声比（CNR）作为量化指标,对上述不同序列显示的LGN影像质量进行比较,并通过后处理软件测量LGN的最大高径和体积。
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2．对比噪声比(contrast to noise ratio, CNR)：是指两种组织的信号强度差值与背景噪声的标准差之比，反应图像的对比度。
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...吞噬细胞，信号不降低，从而增加了肿瘤与肝组织之间的对比，SPIO明 提高了肿瘤与正常肝组织的对比噪声比（contrast noise ratio，CNR）。
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contrast and noise ratio 对比噪声比 contrast to noise ratio 对比噪声比 ; 噪声比 ; 对比度常用对比噪声比 ; 比照噪声比 liver-spleen contrast-noise ratio 肝脾对...
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最佳对比噪声比 Optimal CNR
和对比噪声比 contrast noise ratio ; CNR
及对比噪声比 contrast to noise ratio ; CNR
的对比噪声比 contrast to noise ratio ; CNR ; contrast-noise ratio
用对比噪声比 contrast to noise ratio ; CNR
肝脾对比噪声比 liver-spleen contrast-noise ratio ; L-S CNR
图像对比噪声比 contrast to noise ratio ; CNR
肝脏的对比噪声比 contrast to noise ratio ; CNR
进而计算对比噪声比 Contrast to noise Ratios ; CNR
计算在DWI与T2WI上病灶与肝组织之间的对比噪声比(CNR)并予以比较。
Contrast noise ratio (CNR) between lesion and liver tissue for DWI and T2WI were measured.
计算不同图像中肿瘤信噪比（SNR）、肿瘤与肝脏对比噪声比（CNR）及信号强度比（SIR）等数据，并进行统计学分析。
The signal to noise ratio (SNR) of tumors, contrast to noise ratio (CNR) and signal intensity ratio (SIR) of tumors and normal liver were calculated and analyzed.
目的对磁共振的螺旋桨技术就图像信噪比、对比度噪声比、伪影等图像质量要素进行相关性研究。
Objective Study on the relationship of Propeller technology and image quality such as signal-to-noise ratio (SNR), contrast-to-noise ratio (CNR) and artifact.
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