Top "Hessian-matrix" questions

Hessian matrix is an N x N matrix containing second partial derivatives of a function with respect to its input variables.

numpy second derivative of a ndimensional array

I have a set of simulation data where I would like to find the lowest slope in n dimensions. The …

python numpy derivative hessian-matrix
OpenCV - SURF Hessian minimum threshold

I'm working on a OpenCV project using surf to detect feature from images. The detector is initialized in this way …

c++ opencv feature-detection surf hessian-matrix
Hessian Matrix of the image

I am wondering what information does an Hessian Matrix of an image provides? Does it provide the information of the …

matlab opencv image-processing computer-vision hessian-matrix
The curious case of ARIMA modelling using R

I observed something strange while fitting an ARMA model using the function arma{tseries} and arima{stats} in R. There …

r time-series kalman-filter hessian-matrix