梯度角 meaning in English

angle of gradient

To corner feature , both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood , hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise
为了提高抗噪声,根据角特征不仅灰度变化是不连续的,且相对周围其他点的梯度方向也是不连续的,提出利用梯度角变化和梯度幅值作为角特征检测的另一个准则。