1. 斑点：对于4种旧电影胶片的劣化:位移(Displacement),闪烁(Flicker),斑点(Blotch)和刮痕(Scratch)都有各自的算法,其他的人都在系统地学习于4种劣化的修复. 而我还在执著于Displacement的估计. Displacement的估计实际就是图像配准(Registration)的一个简单应用.

2. 污点,斑点：blossom type catheter 开花式导尿管 | blotch污点,斑点 | blotter吸墨纸,吸油

3. 大斑点：blot 污渍 | blotch 大斑点 | blotchy 有污点的

4. blotch

4. 污点：blood sucking insects 吸血昆虫 | blotch 污点 | blow hole 吹穴

1. （不雅的）斑，斑点
    A blotch is a small unpleasant-looking area of colour, for example on someone''s skin.

    e.g. His face was covered in red blotches, seemingly a nasty case of acne.
           他满脸红斑，像是起了很严重的粉刺。

1. an irregularly shaped spot

    Synonym: splodgesplotch

1. mark with spots or blotches of different color or shades of color as if stained

    Synonym: mottlestreak