coefficients histograms
dose-volume histograms(DVH)
Edge Orientation Histograms
Gaussian-smoothing histograms
gradient-oriented histograms
histograms of color images
Histograms of Oriented Gradients
moments of wavelet subband histgrams in frequency
Multidimensional Histograms
multi-dimensional histograms
nonlinear expanding of gray histograms
spatial edge orientation histograms
spatial histograms of oriented gradients