... low contrast image 低对比影像 low contrast edge 低对比边缘 Low dose and contrast 低剂量和低造影剂 ...
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low-contrast edge [计] 低反差边缘
The end result is superb edge to edge resolution and high contrast in a low cost lens.
最终结果是极好的边缘到边缘的分辨率和低成本的镜头，高对比度。
But SAR image is liable to be affected by speckle noise, while almost spectral image have shortcomings of low contrast between object and background, edge blurring.
但SAR图像容易受到相干斑噪声的影响，而光谱图像普遍存在目标与背景对比度差、边缘模糊的缺点。
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