ColorMapUtils.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <memory>
#include <vector>
 
#include "open3d/camera/PinholeCameraTrajectory.h"
#include "open3d/geometry/Image.h"
#include "open3d/geometry/RGBDImage.h"
#include "open3d/geometry/TriangleMesh.h"
#include "open3d/pipelines/color_map/ImageWarpingField.h"
#include "open3d/utility/Eigen.h"
#include "open3d/utility/Optional.h"
 
namespace open3d {
namespace pipelines {
namespace color_map {
 
std::tuple<std::vector<geometry::Image>,
           std::vector<geometry::Image>,
           std::vector<geometry::Image>,
           std::vector<geometry::Image>,
           std::vector<geometry::Image>>
CreateUtilImagesFromRGBD(const std::vector<geometry::RGBDImage>& images_rgbd);
 
std::vector<geometry::Image> CreateDepthBoundaryMasks(
        const std::vector<geometry::Image>& images_depth,
        double depth_threshold_for_discontinuity_check,
        int half_dilation_kernel_size_for_discontinuity_map);
 
std::tuple<std::vector<std::vector<int>>, std::vector<std::vector<int>>>
CreateVertexAndImageVisibility(
        const geometry::TriangleMesh& mesh,
        const std::vector<geometry::Image>& images_depth,
        const std::vector<geometry::Image>& images_mask,
        const camera::PinholeCameraTrajectory& camera_trajectory,
        double maximum_allowable_depth,
        double depth_threshold_for_visibility_check);
 
void SetProxyIntensityForVertex(
        const geometry::TriangleMesh& mesh,
        const std::vector<geometry::Image>& images_gray,
        const utility::optional<std::vector<ImageWarpingField>>& warping_fields,
        const camera::PinholeCameraTrajectory& camera_trajectory,
        const std::vector<std::vector<int>>& visibility_vertex_to_image,
        std::vector<double>& proxy_intensity,
        int image_boundary_margin);
 
void SetGeometryColorAverage(
        geometry::TriangleMesh& mesh,
        const std::vector<geometry::Image>& images_color,
        const utility::optional<std::vector<ImageWarpingField>>& warping_fields,
        const camera::PinholeCameraTrajectory& camera_trajectory,
        const std::vector<std::vector<int>>& visibility_vertex_to_image,
        int image_boundary_margin = 10,
        int invisible_vertex_color_knn = 3);
 
}  // namespace color_map
}  // namespace pipelines
}  // namespace open3d