This paper adopts watershed transform to segment those images, but this method easily products the over segmentation which results in the edge line buried in disorderly watershed line.

本文采用分水岭变换对尿沉渣图像进行分割，但此算法容易造成图像的过分割，导致图像的轮廓线掩埋在杂乱的分水岭线中。

youdao

Recognising that global warming will make any line based on the watershed of a glacier temporary, the understanding with Austria has for the first time introduced the concept of a movable border.

因为意识到全球变暖将可能在短时期内使得冰川的山脊发生任意变化，在得到奥地利的谅解后，国境谈判中首次引入了移动国界的概念。

youdao

The distinctive position of the Huaihe river as a natural watershed within the four major river system made it more qualified as the dividing line between the south and the north.

淮河在四渎中自然标识特征的突出，使其更有资格成为南北的分界线。

youdao

Recognising that global warming will make any line based on the watershed of a glacier temporary, the understanding with Austria has for the first time introduced the concept of a movable border.

ECONOMIST: How global warming can shrink glaciers and alter frontiers

Tentatively, I am drawing a line in the sand at the crucial watershed of Dow 3, 000, because any hysterical selling beyond that point would be anti-American and counterproductive.

FORBES: Twenty Reasons For Optimism

But he said what has happened at Kaesong wasn't a watershed moment like the shelling of a front-line South Korean island or the sinking of a South Korean warship, two attacks that killed 50 South Koreans in 2010.

NPR: Most South Koreans Leave North Korean Factory