Image.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2026 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "open3d/core/Tensor.h"
 
namespace open3d {
namespace t {
namespace geometry {
namespace kernel {
namespace image {
 
void To(const core::Tensor &src,
        core::Tensor &dst,
        double scale,
        double offset);
 
void ClipTransform(const core::Tensor &src,
                   core::Tensor &dst,
                   float scale,
                   float min_value,
                   float max_value,
                   float clip_fill = 0.0f);
 
void PyrDownDepth(const core::Tensor &src,
                  core::Tensor &dst,
                  float diff_threshold,
                  float invalid_fill);
 
void CreateVertexMap(const core::Tensor &src,
                     core::Tensor &dst,
                     const core::Tensor &intrinsics,
                     float invalid_fill);
 
void CreateNormalMap(const core::Tensor &src,
                     core::Tensor &dst,
                     float invalid_fill);
 
void ColorizeDepth(const core::Tensor &src,
                   core::Tensor &dst,
                   float scale,
                   float min_value,
                   float max_value);
 
void ToCPU(const core::Tensor &src,
           core::Tensor &dst,
           double scale,
           double offset);
 
void ClipTransformCPU(const core::Tensor &src,
                      core::Tensor &dst,
                      float scale,
                      float min_value,
                      float max_value,
                      float clip_fill = 0.0f);
 
void PyrDownDepthCPU(const core::Tensor &src,
                     core::Tensor &dst,
                     float diff_threshold,
                     float invalid_fill);
 
void CreateVertexMapCPU(const core::Tensor &src,
                        core::Tensor &dst,
                        const core::Tensor &intrinsics,
                        float invalid_fill);
 
void CreateNormalMapCPU(const core::Tensor &src,
                        core::Tensor &dst,
                        float invalid_fill);
 
void ColorizeDepthCPU(const core::Tensor &src,
                      core::Tensor &dst,
                      float scale,
                      float min_value,
                      float max_value);
 
#ifdef BUILD_SYCL_MODULE
void FilterBilateralSYCL(const core::Tensor &src,
                         core::Tensor &dst,
                         int kernel_size,
                         float value_sigma,
                         float dist_sigma);
 
void FilterSobelSYCL(const core::Tensor &src,
                     core::Tensor &dst_dx,
                     core::Tensor &dst_dy,
                     int kernel_size);
 
void FilterGaussianSYCL(const core::Tensor &src,
                        core::Tensor &dst,
                        int kernel_size,
                        float sigma);
 
void ResizeNearestSYCL(const core::Tensor &src,
                       core::Tensor &dst,
                       float sampling_rate);
#endif
 
#ifdef BUILD_CUDA_MODULE
void ToCUDA(const core::Tensor &src,
            core::Tensor &dst,
            double scale,
            double offset);
 
void ClipTransformCUDA(const core::Tensor &src,
                       core::Tensor &dst,
                       float scale,
                       float min_value,
                       float max_value,
                       float clip_fill = 0.0f);
 
void PyrDownDepthCUDA(const core::Tensor &src,
                      core::Tensor &dst,
                      float diff_threshold,
                      float invalid_fill);
 
void CreateVertexMapCUDA(const core::Tensor &src,
                         core::Tensor &dst,
                         const core::Tensor &intrinsics,
                         float invalid_fill);
 
void CreateNormalMapCUDA(const core::Tensor &src,
                         core::Tensor &dst,
                         float invalid_fill);
 
void ColorizeDepthCUDA(const core::Tensor &src,
                       core::Tensor &dst,
                       float scale,
                       float min_value,
                       float max_value);
#endif
 
#ifdef BUILD_SYCL_MODULE
void ToSYCL(const core::Tensor &src,
            core::Tensor &dst,
            double scale,
            double offset);
 
void ClipTransformSYCL(const core::Tensor &src,
                       core::Tensor &dst,
                       float scale,
                       float min_value,
                       float max_value,
                       float clip_fill = 0.0f);
 
void PyrDownDepthSYCL(const core::Tensor &src,
                      core::Tensor &dst,
                      float diff_threshold,
                      float invalid_fill);
 
void CreateVertexMapSYCL(const core::Tensor &src,
                         core::Tensor &dst,
                         const core::Tensor &intrinsics,
                         float invalid_fill);
 
void CreateNormalMapSYCL(const core::Tensor &src,
                         core::Tensor &dst,
                         float invalid_fill);
 
void ColorizeDepthSYCL(const core::Tensor &src,
                       core::Tensor &dst,
                       float scale,
                       float min_value,
                       float max_value);
#endif
}  // namespace image
}  // namespace kernel
}  // namespace geometry
}  // namespace t
}  // namespace open3d