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# Copyright 2017 The TensorFlow 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.
# ==============================================================================
"""Tests for matcher_builder."""
import tensorflow as tf
from google.protobuf import text_format
from object_detection.builders import matcher_builder
from object_detection.matchers import argmax_matcher
from object_detection.matchers import bipartite_matcher
from object_detection.protos import matcher_pb2
class MatcherBuilderTest(tf.test.TestCase):
def test_build_arg_max_matcher_with_defaults(self):
matcher_text_proto = """
argmax_matcher {
}
"""
matcher_proto = matcher_pb2.Matcher()
text_format.Merge(matcher_text_proto, matcher_proto)
matcher_object = matcher_builder.build(matcher_proto)
self.assertTrue(isinstance(matcher_object, argmax_matcher.ArgMaxMatcher))
self.assertAlmostEqual(matcher_object._matched_threshold, 0.5)
self.assertAlmostEqual(matcher_object._unmatched_threshold, 0.5)
self.assertTrue(matcher_object._negatives_lower_than_unmatched)
self.assertFalse(matcher_object._force_match_for_each_row)
def test_build_arg_max_matcher_without_thresholds(self):
matcher_text_proto = """
argmax_matcher {
ignore_thresholds: true
}
"""
matcher_proto = matcher_pb2.Matcher()
text_format.Merge(matcher_text_proto, matcher_proto)
matcher_object = matcher_builder.build(matcher_proto)
self.assertTrue(isinstance(matcher_object, argmax_matcher.ArgMaxMatcher))
self.assertEqual(matcher_object._matched_threshold, None)
self.assertEqual(matcher_object._unmatched_threshold, None)
self.assertTrue(matcher_object._negatives_lower_than_unmatched)
self.assertFalse(matcher_object._force_match_for_each_row)
def test_build_arg_max_matcher_with_non_default_parameters(self):
matcher_text_proto = """
argmax_matcher {
matched_threshold: 0.7
unmatched_threshold: 0.3
negatives_lower_than_unmatched: false
force_match_for_each_row: true
use_matmul_gather: true
}
"""
matcher_proto = matcher_pb2.Matcher()
text_format.Merge(matcher_text_proto, matcher_proto)
matcher_object = matcher_builder.build(matcher_proto)
self.assertTrue(isinstance(matcher_object, argmax_matcher.ArgMaxMatcher))
self.assertAlmostEqual(matcher_object._matched_threshold, 0.7)
self.assertAlmostEqual(matcher_object._unmatched_threshold, 0.3)
self.assertFalse(matcher_object._negatives_lower_than_unmatched)
self.assertTrue(matcher_object._force_match_for_each_row)
self.assertTrue(matcher_object._use_matmul_gather)
def test_build_bipartite_matcher(self):
matcher_text_proto = """
bipartite_matcher {
}
"""
matcher_proto = matcher_pb2.Matcher()
text_format.Merge(matcher_text_proto, matcher_proto)
matcher_object = matcher_builder.build(matcher_proto)
self.assertTrue(
isinstance(matcher_object, bipartite_matcher.GreedyBipartiteMatcher))
def test_raise_error_on_empty_matcher(self):
matcher_text_proto = """
"""
matcher_proto = matcher_pb2.Matcher()
text_format.Merge(matcher_text_proto, matcher_proto)
with self.assertRaises(ValueError):
matcher_builder.build(matcher_proto)
if __name__ == '__main__':
tf.test.main()
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