cuda-samples/Samples/2_Concepts_and_Techniques/imageDenoising/imageDenoising.h
2022-01-13 11:35:24 +05:30

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3.9 KiB
C

/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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#ifndef IMAGE_DENOISING_H
#define IMAGE_DENOISING_H
typedef unsigned int TColor;
////////////////////////////////////////////////////////////////////////////////
// Filter configuration
////////////////////////////////////////////////////////////////////////////////
#define KNN_WINDOW_RADIUS 3
#define NLM_WINDOW_RADIUS 3
#define NLM_BLOCK_RADIUS 3
#define KNN_WINDOW_AREA \
((2 * KNN_WINDOW_RADIUS + 1) * (2 * KNN_WINDOW_RADIUS + 1))
#define NLM_WINDOW_AREA \
((2 * NLM_WINDOW_RADIUS + 1) * (2 * NLM_WINDOW_RADIUS + 1))
#define INV_KNN_WINDOW_AREA (1.0f / (float)KNN_WINDOW_AREA)
#define INV_NLM_WINDOW_AREA (1.0f / (float)NLM_WINDOW_AREA)
#define KNN_WEIGHT_THRESHOLD 0.02f
#define KNN_LERP_THRESHOLD 0.79f
#define NLM_WEIGHT_THRESHOLD 0.10f
#define NLM_LERP_THRESHOLD 0.10f
#define BLOCKDIM_X 8
#define BLOCKDIM_Y 8
#ifndef MAX
#define MAX(a, b) ((a < b) ? b : a)
#endif
#ifndef MIN
#define MIN(a, b) ((a < b) ? a : b)
#endif
// functions to load images
extern "C" void LoadBMPFile(uchar4 **dst, int *width, int *height,
const char *name);
// CUDA wrapper functions for allocation/freeing texture arrays
extern "C" cudaTextureObject_t texImage;
extern "C" cudaError_t CUDA_MallocArray(uchar4 **h_Src, int imageW, int imageH);
extern "C" cudaError_t CUDA_FreeArray();
// CUDA kernel functions
extern "C" void cuda_Copy(TColor *d_dst, int imageW, int imageH,
cudaTextureObject_t texImage);
extern "C" void cuda_KNN(TColor *d_dst, int imageW, int imageH, float Noise,
float lerpC, cudaTextureObject_t texImage);
extern "C" void cuda_KNNdiag(TColor *d_dst, int imageW, int imageH, float Noise,
float lerpC, cudaTextureObject_t texImage);
extern "C" void cuda_NLM(TColor *d_dst, int imageW, int imageH, float Noise,
float lerpC, cudaTextureObject_t texImage);
extern "C" void cuda_NLMdiag(TColor *d_dst, int imageW, int imageH, float Noise,
float lerpC, cudaTextureObject_t texImage);
extern "C" void cuda_NLM2(TColor *d_dst, int imageW, int imageH, float Noise,
float LerpC, cudaTextureObject_t texImage);
extern "C" void cuda_NLM2diag(TColor *d_dst, int imageW, int imageH,
float Noise, float LerpC,
cudaTextureObject_t texImage);
#endif