segment.hpp

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// toolboxes/image/include/nk/image/segment/segment.hpp
//
// Image-segmentation utilities and similarity metrics. The
// "deep-learning" segmentation entries (segmentAnythingModel,
// imsegsam, …) are intentionally omitted.
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
namespace nk::image {

 

Value dice(const Value &A, const Value &B,
           std::pmr::memory_resource *mr = nullptr);

Value jaccard(const Value &A, const Value &B,
              std::pmr::memory_resource *mr = nullptr);

Value boundarymask(const Value &L_or_BW, int conn,
                   std::pmr::memory_resource *mr = nullptr);

Value label2idx(const Value &L,
                std::pmr::memory_resource *mr = nullptr);

Value grayconnected(const Value &I, int row, int col, double tol,
                    std::pmr::memory_resource *mr = nullptr);

Value graydiffweight(const Value &I, double ref_gray_val,
                     double rolloff_factor, double cutoff,
                     std::pmr::memory_resource *mr = nullptr);

Value gradientweight(const Value &I, double sigma_x, double sigma_y,
                     double rolloff_factor, double weight_cutoff,
                     std::pmr::memory_resource *mr = nullptr);

Value regionfill(const Value &I, const Value &mask,
                 std::pmr::memory_resource *mr = nullptr);

Value poly2mask(const Value &X, const Value &Y,
                std::size_t M, std::size_t N,
                std::pmr::memory_resource *mr = nullptr);

Value reducepoly(const Value &P, double tolerance,
                 std::pmr::memory_resource *mr = nullptr);

Value roipoly(double xdata_lo, double xdata_hi,
              double ydata_lo, double ydata_hi,
              std::size_t M, std::size_t N,
              const Value &xi, const Value &yi,
              std::pmr::memory_resource *mr = nullptr);

Value graydist(const Value &I, const Value &seeds,
               const std::string &method,
               std::pmr::memory_resource *mr = nullptr);

Value bwdistgeodesic(const Value &BW, const Value &seeds,
                     const std::string &method,
                     std::pmr::memory_resource *mr = nullptr);

Value imoverlay(const Value &I, const Value &BW, const Value &color,
                std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::image