Sentence examples for based on gradient direction from inspiring English sources

The methods considered were based on gradient direction, directional openings and morphological granulometry.

After calculating the gradient of extreme point, the adjacent region is divided based on gradient direction of feature points specified by gradient histogram.

In the (i+1 th image, the candidate points are computed based on gradient magnitude and direction; they may or may not lie on the actual boundary of the tomato.

First, the method described in Section 4.2.2 (Eqs. 11 and 12) is applied in order to determine a set of candidate points, based on gradient magnitude and direction.

The proposed feature is based on gradient, but different from conventional gradient-based local features, and designed to seam carving.

One category is based on gradient, including finite difference approximation of derivative, adjoint gradient-based methods, and gradient simulator methods.

Respect to other optimization methods, the optimization techniques based on gradient attempt to estimate the gradient of the error surface and proceed to an optimum solution by following the negative direction of this estimated vector.

It is based on gradient descent method.

The parameters are iteratively updated based on gradient descent.

A new algorithm based on gradient descent is used.

In particular, we propose a method based on the gradient direction variance and a wavelet-based method which adapts the procedure of [14] to videokeratoscopic images.