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• include
• kernels
• host

warp_perspective_host.hpp

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1 

23 #pragma once

24 

25 #include <hip/hip_runtime.h>

26 

27 namespace Kernels {

28 namespace Host {

29 template <typename SrcWrapper, typename DstWrapper, typename Mat>

30 void warp_perspective(SrcWrapper input, DstWrapper output, Mat mat) {

31  for (int b = 0; b < output.batches(); b++) {

32  for (int y = 0; y < output.height(); y++) {

33  for (int x = 0; x < output.width(); x++) {

34  const float coeff = 1.0f / (mat[6] * x + mat[7] * y + mat[8]);

35  const float ox = (mat[0] * x + mat[1] * y + mat[2]) * coeff;

36  const float oy = (mat[3] * x + mat[4] * y + mat[5]) * coeff;

37 

38  output.at(b, y, x, 0) = input.at(b, oy, ox, 0);

39  }

40  }

41  }

42 }

43 } // namespace Host

44 } // namespace Kernels

Kernels::Host::warp_perspective

void warp_perspective(SrcWrapper input, DstWrapper output, Mat mat)

Definition: warp_perspective_host.hpp:30

Kernels

Definition: non_max_suppression_helpers.hpp:26