ImageImpl.h File Reference

#include <limits>
#include "cloudViewer/core/CUDAUtils.h"
#include "cloudViewer/core/Dispatch.h"
#include "cloudViewer/core/Indexer.h"
#include "cloudViewer/core/Tensor.h"
#include "cloudViewer/t/geometry/kernel/GeometryIndexer.h"
#include "cloudViewer/t/geometry/kernel/GeometryMacros.h"

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Namespaces
	cloudViewer
	Generic file read and write utility for python interface.
	cloudViewer::t
	cloudViewer::t::geometry
	cloudViewer::t::geometry::kernel
	cloudViewer::t::geometry::kernel::image

Macros
#define	LINEAR_SATURATE(elem_t, calc_t)

Functions
void	cloudViewer::t::geometry::kernel::image::ToCPU (const core::Tensor &src, core::Tensor &dst, double scale, double offset)
void	cloudViewer::t::geometry::kernel::image::ClipTransformCPU (const core::Tensor &src, core::Tensor &dst, float scale, float min_value, float max_value, float clip_fill=0.0f)
void	cloudViewer::t::geometry::kernel::image::PyrDownDepthCPU (const core::Tensor &src, core::Tensor &dst, float diff_threshold, float invalid_fill)
void	cloudViewer::t::geometry::kernel::image::CreateVertexMapCPU (const core::Tensor &src, core::Tensor &dst, const core::Tensor &intrinsics, float invalid_fill)
void	cloudViewer::t::geometry::kernel::image::CreateNormalMapCPU (const core::Tensor &src, core::Tensor &dst, float invalid_fill)
void	cloudViewer::t::geometry::kernel::image::ColorizeDepthCPU (const core::Tensor &src, core::Tensor &dst, float scale, float min_value, float max_value)

Macro Definition Documentation

LINEAR_SATURATE

#define LINEAR_SATURATE	(		elem_t,
			calc_t
	)

Value:

    elem_t limits[2] = {std::numeric_limits<elem_t>::min(),                    \
                        std::numeric_limits<elem_t>::max()};                   \
    calc_t c_scale = static_cast<calc_t>(scale);                               \
    calc_t c_offset = static_cast<calc_t>(offset);                             \
    DISPATCH_DTYPE_TO_TEMPLATE(src.GetDtype(), [&]() {                         \
        core::ParallelFor(                                                     \
                src.GetDevice(), indexer.NumWorkloads(),                       \
                [=] CLOUDVIEWER_DEVICE(int64_t workload_idx) {                 \
                    auto src_ptr =                                             \
                            indexer.GetInputPtr<scalar_t>(0, workload_idx);    \
                    auto dst_ptr = indexer.GetOutputPtr<elem_t>(workload_idx); \
                    calc_t out = static_cast<calc_t>(*src_ptr) * c_scale +     \
                                 c_offset;                                     \
                    out = out < limits[0] ? limits[0] : out;                   \
                    out = out > limits[1] ? limits[1] : out;                   \
                    *dst_ptr = static_cast<elem_t>(out);                       \
                });                                                            \
    });