方向梯度直方图
histogram of oriented gradients
Histograms of Oriented Gradients
空间梯度直方图
spatial histograms of oriented gradients
方向梯度相角直方图
directional gradient angular histogram
梯度方向直方图
gradient orientation histogram
histogram of oriented gradient
Histograms of Oriented Gradients
gradient-oriented histograms
概率密度梯度方向
density gradient direction
2维灰度直方图
Two-dimensional Gray Histogram
二维灰度直方图
two-dimensional gray-level histogram
宏块级亮度直方图差异
block histogram difference
灰度直方图
gray histogram
gray level histogram
gradation histogram
grey histogram
gray level distribution histogram
1D histogram
grayvalue histogram
histogram
grey level histogram
gray-scale histogram
灰度直方图非线性拉伸
nonlinear expanding of gray histogram
nonlinear expanding of gray histograms
灰度直方图统计
gray histogram statistics
灰度直方图统计特征
statistical characteristics of grey-scale histograms
加权复杂度直方图
weighted complex histogram