There have developed some technique to ensure the positive definiteness of the Hessian of the quadratic objective function.

對QP子問題的目標(biāo)函數(shù)的Hessian陣的正定性研究已引起了許多學(xué)者的關(guān)注。

Jacobian, Hessian Matrix Properties, Sensitivity Analysis w.r.t Design Variables, Fixed Parameters and Constraints, Normalization, Finite Difference Approximation, Automatic Differentiation, ANOVA, Adjoint Methods, Examples

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A new TMH(Template-Matching with Hessian matrix) method is proposed in this paper.

提出了一種新的肺結(jié)節(jié)檢測算法——TMH(引入了Hessian矩陣的模版匹配)算法亚洲中文久久精品无码国产精品。

Moreover, the algorithm has better robustness and accuracy than DGMI algorithm and Hessian matrix algorithm.

與DGMD算法和單獨的Hessian矩陣法算法相比亚洲综合综合网，本方法有很好的魯棒性和較高的準確性。

Thereby, sparsity of the Hessian matrix of the objective function is maintained by the approximate updated matrix sequence.

此算法的另一個重要性質(zhì)是：算法產(chǎn)生的逼近目標(biāo)函數(shù)Hessian陣的矩陣序列保持對稱正定性亚洲视频在线免费公开。

We use gradient vectors to find possible profiles, which are then verified by analysis of Hessian matrix in multiscale space.

我們經(jīng)由梯度向量的方向?qū)ふ铱赡芷拭嫜侵藓莺葑酆贤荆偈褂枚喑叨瓤臻g中的Hessian矩陣分析，驗證剖面的真確性欧洲A片短视频。

A new TMH（Template-Matching with Hessian matrix） method is proposed in this paper.Firstly lung lobes are gained.

提出了一種新的肺結(jié)節(jié)檢測算法——TMH（引入了Hessian矩陣的模版匹配）算法久久免费妇女高潮看片A片。

The method implements an accurate extraction using Hessian matrix eigenvectors and the Canny operator.

此方法結(jié)合了Hessian矩陣特征向量和Canny算子來進行準確提取。

An modified BFGS algorithm to solve the unconstrained optimization, whose Hessian matrix of the minimum point of the convex function is rank one defect, is presented in this paper.

本文對凸函數(shù)在極值點的Hessian矩陣是秩虧一的情況下偷拍性爱网站，給出了一類求解無約束優(yōu)化問題的修正BFGS算法。

In order to improve the robust and precise in image registration,we get the Hessian matrix removed to improve LMA for searching the eight unknown parameters of two input perspective transformation images and get computational gains.

為提高圖像匹配的精度和穩(wěn)定性黑人性爱黄片，在圖像匹配過程中用消除了Hessian矩陣的LMA改進算法對兩幅圖像透視變換矩陣的8個未知參數(shù)進行擬合超碰国产人人操，減少了迭代的計算量。