wehub-resource-sync
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <algorithm>
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#include <cmath>
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#include <cstring>
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#include <string>
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#include <vector>
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/tensor_utils.h"
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#include "paddle/phi/kernels/funcs/math_function.h"
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namespace phi {
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namespace funcs {
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const int64_t kBoxDim = 4;
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template <typename Context>
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inline std::vector<size_t> GetLodFromRoisNum(const Context& dev_ctx,
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const DenseTensor* rois_num) {
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std::vector<size_t> rois_lod;
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if (rois_num->dtype() == DataType::INT64) {
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auto* rois_num_data = rois_num->data<int64_t>();
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DenseTensor cpu_tensor;
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if (rois_num->place().GetType() == AllocationType::GPU ||
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rois_num->place().GetType() == AllocationType::XPU) {
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Copy<Context>(dev_ctx, *rois_num, CPUPlace(), true, &cpu_tensor);
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rois_num_data = cpu_tensor.data<int64_t>();
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}
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rois_lod.push_back(static_cast<size_t>(0));
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for (int64_t i = 0; i < rois_num->numel(); ++i) {
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rois_lod.push_back(rois_lod.back() +
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static_cast<size_t>(rois_num_data[i]));
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}
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} else if (rois_num->dtype() == DataType::INT32) {
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auto* rois_num_data = rois_num->data<int>();
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DenseTensor cpu_tensor;
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if (rois_num->place().GetType() == AllocationType::GPU ||
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rois_num->place().GetType() == AllocationType::XPU) {
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Copy<Context>(dev_ctx, *rois_num, CPUPlace(), true, &cpu_tensor);
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rois_num_data = cpu_tensor.data<int>();
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}
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rois_lod.push_back(static_cast<size_t>(0));
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for (size_t i = 0; i < rois_num->numel(); ++i) {
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rois_lod.push_back(rois_lod.back() +
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static_cast<size_t>(rois_num_data[i]));
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}
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}
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return rois_lod;
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}
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template <typename T>
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static inline T BBoxArea(const T* box, bool pixel_offset) {
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if (box[2] < box[0] || box[3] < box[1]) {
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// If coordinate values are is invalid
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// (e.g. xmax < xmin or ymax < ymin), return 0.
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return static_cast<T>(0.);
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} else {
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const T w = box[2] - box[0];
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const T h = box[3] - box[1];
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if (pixel_offset) {
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// If coordinate values are not within range [0, 1].
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return (w + 1) * (h + 1);
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} else {
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return w * h;
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}
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}
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}
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} // namespace funcs
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} // namespace phi
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