The view may be cloudy or hazy, and if the oil slick location is near the edge of the image, it will be blurry.
视图可能阴沉而朦胧，如果浮油区域靠近图像边缘的话，则会显得模糊。
2
The outline of edge becomes more and more blurry after image smoothing.
平滑处理后图像的边缘轮廓更加模糊不清。
3
These artifacts, commonly seen as blurry or "soft" edges, can occur when the location of an edge falls in the middle of a device pixel rather than between device pixels.