In most of cases, the laser scanning confocal microscopy images, such as fluorescence stained biomedical nuclei, are blurred and have a wide rangeofbrightness and poor intensity homogeneity.
共焦显微图象如荧光染色细胞核图象，往往是一种比较模糊的图象，并且亮度范围大，灰度均匀度也较差。
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At left, you can see that most digital cameras struggle when there are very bright brights and very dark darks in the same photo; they don’t perceive as wide a rangeofbrightness as your eye does.