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Paddle/python/paddle/fluid/tests/unittests/test_iou_similarity_op.py

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# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import unittest
import numpy as np
import numpy.random as random
import sys
import math
from op_test import OpTest
class TestIOUSimilarityOp(OpTest):
def test_check_output(self):
self.check_output()
def setUp(self):
self.op_type = "iou_similarity"
self.boxes1 = random.rand(2, 4).astype('float32')
self.boxes2 = random.rand(3, 4).astype('float32')
self.output = random.rand(2, 3).astype('float32')
for row in range(self.boxes1.shape[0]):
for col in range(self.boxes2.shape[0]):
xmin1, ymin1, xmax1, ymax1 = self.boxes1[row]
xmin2, ymin2, xmax2, ymax2 = self.boxes2[col]
area1 = (ymax1 - ymin1) * (xmax1 - xmin1)
area2 = (ymax2 - ymin2) * (xmax2 - xmin2)
inter_xmax = min(xmax1, xmax2)
inter_ymax = min(ymax1, ymax2)
inter_xmin = max(xmin1, xmin2)
inter_ymin = max(ymin1, ymin2)
inter_height = inter_ymax - inter_ymin
inter_width = inter_xmax - inter_xmin
inter_height = max(inter_height, 0)
inter_width = max(inter_width, 0)
inter_area = inter_width * inter_height
union_area = area1 + area2 - inter_area
sim_score = inter_area / union_area
self.output[row, col] = sim_score
self.inputs = {'X': self.boxes1, 'Y': self.boxes2}
self.outputs = {'Out': self.output}
class TestIOUSimilarityOpWithLoD(TestIOUSimilarityOp):
def test_check_output(self):
self.check_output()
def setUp(self):
super(TestIOUSimilarityOpWithLoD, self).setUp()
self.boxes1_lod = [[1, 1]]
self.output_lod = [[1, 1]]
self.inputs = {'X': (self.boxes1, self.boxes1_lod), 'Y': self.boxes2}
self.outputs = {'Out': (self.output, self.output_lod)}
if __name__ == '__main__':
unittest.main()