Nms.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
//
// Reference:
// https://github.com/open-mmlab/OpenPCDet/blob/master/pcdet/ops/iou3d_nms/src/iou3d_nms_kernel.cu
//
// Reference:
// https://github.com/open-mmlab/mmdetection3d/blob/master/mmdet3d/ops/iou3d/src/iou3d_kernel.cu
// 3D IoU Calculation and Rotated NMS(modified from 2D NMS written by others)
// Written by Shaoshuai Shi
// All Rights Reserved 2019-2020.
 
#pragma once
 
#include <cstdint>
#include <vector>
 
namespace open3d {
namespace ml {
namespace contrib {
 
#ifdef BUILD_CUDA_MODULE
 
std::vector<int64_t> NmsCUDAKernel(const float *boxes,
                                   const float *scores,
                                   int n,
                                   double nms_overlap_thresh);
#endif
 
std::vector<int64_t> NmsCPUKernel(const float *boxes,
                                  const float *scores,
                                  int n,
                                  double nms_overlap_thresh);
 
}  // namespace contrib
}  // namespace ml
}  // namespace open3d