Hessian是什么意思

Hessian

['h???n]

hessian 棕色粗麻布

來自德語Hesse,德國州名，以士兵英勇善戰(zhàn)而聞名，并大量受外國雇傭?qū)ν庾鲬?zhàn)，成為雇傭兵的代名詞，在18世紀時，因協(xié)助英國在北美獨立戰(zhàn)爭中作戰(zhàn)而得名，其制服面料，一種結(jié)實的棕色粗麻布也因此而為人所知。

hessian: hessian: [19] In common with many other sorts of textile, such as denim, jersey, and worsted, hessian’s name reveals its place of origin. In this case it was Hesse, formerly a grand duchy, nowadays a state of West Germany, in the western central part of the country.
Hessian (n.): "resident of the former Landgraviate of Hessen-Kassel," western Germany; its soldiers being hired out by the ruler to fight for other countries, especially the British during the American Revolution, the name Hessians (unjustly) became synonymous with "mercenaries." Hessian fly (Cecidomyia destructor) was a destructive parasite the ravaged U.S. crops late 18c., so named 1787 in erroneous belief that it was carried into America by the Hessians.

1. In this paper, a new centerline extraction algorithm based on Hessian Matrix is proposed.: 提出了一種基于Hessian矩陣的中心路徑提取算法.

2. W 2, ∞ solutions existence of the Dirichlet problem for Hessian equations with the obstacle is proved.: 本文證明了有Obstacle的Hessian方程的Dirichlet問題之W~(2, ∞)解的存在性.

3. A method to detect the sub - pixel center of structured light stripe with Hessian matrix is proposed.: 提出了一種基于hessian矩陣的亞像素精度結(jié)構光條紋中心提取算法.

4. This method include 3 D Euclidean distance transform, computer the Hessian matrix in every voxel, and visibility test.: 主要步驟包括:三維歐幾里德距離變換, 求Hessian矩陣, 可視化檢測幾個步驟.

5. But now the Hessian wakes, cutting off heads where he finds them.: 現(xiàn)在黑森人醒了, 砍掉人們的頭.