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116 lines
3.6 KiB
116 lines
3.6 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "paddle/fluid/operators/detection/mask_util.h"
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#include <gtest/gtest.h>
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#include "paddle/fluid/memory/memory.h"
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namespace paddle {
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namespace operators {
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template <typename T>
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void Compare(const T* a, const T* b, const int n) {
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for (int i = 0; i < n; i++) {
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EXPECT_EQ(a[i], b[i]);
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}
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}
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TEST(MaskUtil, Poly2MaskTest) {
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float polys[] = {1.97f, 1.88f, 5.81f, 1.88f, 1.69f,
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6.53f, 5.94f, 6.38f, 1.97f, 1.88f};
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int h = 8, w = 8;
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int k = 5; // length(polys) / 2
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// clang-format off
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uint8_t expect_mask[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 0, 0, 0, 0,
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0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 1, 1, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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// clang-format on
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// the groud-truth mask is computed by coco API:
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//
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// import pycocotools.mask as mask_util
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// import numpy as np
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// segm = [1.97, 1.88, 5.81, 1.88, 1.69, 6.53, 5.94, 6.38, 1.97, 1.88]
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// rles = mask_util.frPyObjects([segm], im_h, im_w)
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// mask = mask_util.decode(rles)
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// print mask
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platform::CPUPlace cpu;
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auto allocation = memory::Alloc(cpu, sizeof(expect_mask));
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uint8_t* mask = reinterpret_cast<uint8_t*>(allocation->ptr());
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Poly2Mask(polys, k, h, w, mask);
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Compare<uint8_t>(expect_mask, mask, h * w);
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}
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TEST(MaskUtil, Poly2BoxesTest) {
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// clang-format off
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std::vector<std::vector<std::vector<float>>> polys = {
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{{1.97f, 1.88f, 5.81f, 1.88f, 1.69f, 6.53f, 5.94f, 6.38f, 1.97f, 1.88f}},
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{{2.97f, 1.88f, 3.81f, 1.68f, 1.69f, 6.63f, 6.94f, 6.58f, 2.97f, 0.88f}}
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};
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float expect_boxes[] = {
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1.69f, 1.88f, 5.94f, 6.53f,
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1.69f, 0.88f, 6.94f, 6.63f
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};
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// clang-format on
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platform::CPUPlace cpu;
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auto allocation = memory::Alloc(cpu, sizeof(expect_boxes));
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float* boxes = reinterpret_cast<float*>(allocation->ptr());
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Poly2Boxes(polys, boxes);
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Compare<float>(expect_boxes, boxes, 8);
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}
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TEST(MaskUtil, Polys2MaskWrtBoxTest) {
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// clang-format off
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std::vector<std::vector<std::vector<float>>> polys = {{
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{1.97f, 1.88f, 5.81f, 1.88f, 1.69f, 6.53f, 5.94f, 6.38f, 1.97f, 1.88f},
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{2.97f, 1.88f, 3.81f, 1.68f, 1.69f, 6.63f, 6.94f, 6.58f, 2.97f, 0.88f}}};
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float expect_boxes[] = {
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1.69f, 0.88f, 6.94f, 6.63f
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};
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uint8_t expect_mask[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 1, 1, 1, 1, 1, 0, 0,
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0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 1, 1, 1, 0, 0, 0,
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0, 0, 1, 1, 1, 0, 0, 0,
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0, 1, 1, 1, 1, 1, 0, 0,
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0, 1, 1, 1, 1, 1, 1, 0,
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1, 1, 1, 1, 1, 1, 1, 1
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};
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// clang-format on
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platform::CPUPlace cpu;
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auto allocation = memory::Alloc(cpu, sizeof(expect_boxes));
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float* boxes = reinterpret_cast<float*>(allocation->ptr());
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Poly2Boxes(polys, boxes);
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Compare<float>(expect_boxes, boxes, 4);
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auto allocat_mask = memory::Alloc(cpu, sizeof(expect_mask));
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uint8_t* mask = reinterpret_cast<uint8_t*>(allocat_mask->ptr());
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int M = 8;
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Polys2MaskWrtBox(polys[0], expect_boxes, M, mask);
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Compare<uint8_t>(expect_mask, mask, M * M);
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}
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} // namespace operators
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} // namespace paddle
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