Documentation
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Overview ¶
Package sentropy provides functions for computing entropy and delentropy of SippImages, as well as rendering these as images.
Index ¶
Constants ¶
This section is empty.
Variables ¶
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Functions ¶
This section is empty.
Types ¶
type SippDelentropy ¶
type SippDelentropy struct {
// The delentropy for the image, i.e. the sum of the delentropies for all
// of the histogram bins.
Delentropy float64
// contains filtered or unexported fields
}
SippDelentropy is a structure that holds a reference to a gradient histogram and the delentropy values derived from it.
func Delentropy ¶
func Delentropy(hist SippHist) (dent *SippDelentropy)
Delentropy returns a SippDelentropy structure for the given SippHist.
func (*SippDelentropy) DelEntropyImage ¶
func (dent *SippDelentropy) DelEntropyImage() SippImage
DelEntropyImage returns a greyscale image of the entropy for each gradient pixel.
func (*SippDelentropy) HistDelentropyImage ¶
func (dent *SippDelentropy) HistDelentropyImage() SippImage
HistDelentropyImage returns a greyscale image of the delentropy for each histogram bin.
type SippEntropy ¶
type SippEntropy struct {
// A reference to the image.
Im SippImage
// A reference to the 1D histogram
Hist []uint32
// The entropy for each bin value that actually occurred.
BinEntropy []float64
// The largest entropy value of any bin.
MaxBinEntropy float64
// The entropy for the image, i.e. the sum of the entropies for all
// the pixels.
Entropy float64
}
SippEntropy is a structure that holds a reference to an image, the 1D histogram of its values, and the entropy values derived from the histogram.
func Entropy ¶
func Entropy(im SippImage) (ent *SippEntropy)
Entropy returns a SippEntropy structure for the given image.
func (*SippEntropy) EntropyImage ¶
func (ent *SippEntropy) EntropyImage() SippImage
EntropyImage returns a greyscale image of the entropy for each pixel.
Source Files