Exemple #1
0
    def test_explain_vmaf_results(self):
        print 'test on running VMAF runner with local explainer...'
        ref_path = VmafConfig.test_resource_path("yuv", "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv", "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test", content_id=0, asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={'width':576, 'height':324})

        asset_original = Asset(dataset="test", content_id=0, asset_id=1,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=ref_path,
                      asset_dict={'width':576, 'height':324})

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None, fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict2={'explainer': LocalExplainer(neighbor_samples=100)}
        )

        np.random.seed(0)

        self.runner.run()
        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'], 76.699271272486044, places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'], 99.946416604585025, places=4)

        expected_feature_names = ['VMAF_feature_adm2_score',
                                  'VMAF_feature_motion2_score',
                                  'VMAF_feature_vif_scale0_score',
                                  'VMAF_feature_vif_scale1_score',
                                  'VMAF_feature_vif_scale2_score',
                                  'VMAF_feature_vif_scale3_score']

        weights = np.mean(results[0]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.66021689480916868, places=4)
        self.assertAlmostEqual(weights[1], 0.14691682562211777, places=4)
        self.assertAlmostEqual(weights[2], -0.023682744847036086, places=4)
        self.assertAlmostEqual(weights[3], -0.029779341850172818, places=4)
        self.assertAlmostEqual(weights[4], 0.19149485210137338, places=4)
        self.assertAlmostEqual(weights[5], 0.31890978778344126, places=4)

        self.assertEqual(results[0]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)

        weights = np.mean(results[1]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.69597961598838509, places=4)
        self.assertAlmostEqual(weights[1], 0.18256016705513464, places=4)
        self.assertAlmostEqual(weights[2], 0.0090048099912423147, places=4)
        self.assertAlmostEqual(weights[3], 0.028671810808880094, places=4)
        self.assertAlmostEqual(weights[4], 0.21935602577417926, places=4)
        self.assertAlmostEqual(weights[5], 0.34190431429767715, places=4)

        self.assertEqual(results[1]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)
Exemple #2
0
class QualityRunnerTest(unittest.TestCase):
    def tearDown(self):
        if hasattr(self, 'runner'):
            self.runner.remove_results()
            pass

    def setUp(self):
        self.result_store = FileSystemResultStore()

    def test_run_vmaf_runner_local_explainer_with_bootstrap_model(self):
        print 'test on running VMAF runner with bootstrap model...'
        ref_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test",
                      content_id=0,
                      asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={
                          'width': 576,
                          'height': 324
                      })

        asset_original = Asset(dataset="test",
                               content_id=0,
                               asset_id=1,
                               workdir_root=VmafConfig.workdir_path(),
                               ref_path=ref_path,
                               dis_path=ref_path,
                               asset_dict={
                                   'width': 576,
                                   'height': 324
                               })

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None,
            fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict={
                'model_filepath':
                VmafConfig.test_resource_path('model',
                                              'vmafplus_v0.5.2boot_test.pkl'),
            },
        )
        self.runner.run()

        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'],
                               75.44304862545658,
                               places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'],
                               99.95804893252175,
                               places=4)
Exemple #3
0
    def test_run_vmaf_runner_local_explainer_with_bootstrap_model(self):
        ref_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test",
                      content_id=0,
                      asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={
                          'width': 576,
                          'height': 324
                      })

        asset_original = Asset(dataset="test",
                               content_id=0,
                               asset_id=1,
                               workdir_root=VmafConfig.workdir_path(),
                               ref_path=ref_path,
                               dis_path=ref_path,
                               asset_dict={
                                   'width': 576,
                                   'height': 324
                               })

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None,
            fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict={
                'model_filepath':
                VmafConfig.test_resource_path('model',
                                              'vmafplus_v0.5.2boot_test.pkl'),
            },
        )
        self.runner.run()

        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'],
                               75.42800743529182,
                               places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'],
                               99.95804893252175,
                               places=4)
    def test_explain_vmaf_results(self):
        print 'test on running VMAF runner with local explainer...'
        ref_path = VmafConfig.test_resource_path("yuv", "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv", "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test", content_id=0, asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={'width':576, 'height':324})

        asset_original = Asset(dataset="test", content_id=0, asset_id=1,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=ref_path,
                      asset_dict={'width':576, 'height':324})

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None, fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict2={'explainer': LocalExplainer(neighbor_samples=100)}
        )

        np.random.seed(0)

        self.runner.run()
        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'], 76.699271272486044, places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'], 99.946416604585025, places=4)

        expected_feature_names = ['VMAF_feature_adm2_score',
                                  'VMAF_feature_motion2_score',
                                  'VMAF_feature_vif_scale0_score',
                                  'VMAF_feature_vif_scale1_score',
                                  'VMAF_feature_vif_scale2_score',
                                  'VMAF_feature_vif_scale3_score']

        weights = np.mean(results[0]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.66021689480916868, places=4)
        self.assertAlmostEqual(weights[1], 0.14691682562211777, places=4)
        self.assertAlmostEqual(weights[2], -0.023682744847036086, places=4)
        self.assertAlmostEqual(weights[3], -0.029779341850172818, places=4)
        self.assertAlmostEqual(weights[4], 0.19149485210137338, places=4)
        self.assertAlmostEqual(weights[5], 0.31890978778344126, places=4)

        self.assertEqual(results[0]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)

        weights = np.mean(results[1]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.69597961598838509, places=4)
        self.assertAlmostEqual(weights[1], 0.18256016705513464, places=4)
        self.assertAlmostEqual(weights[2], 0.0090048099912423147, places=4)
        self.assertAlmostEqual(weights[3], 0.028671810808880094, places=4)
        self.assertAlmostEqual(weights[4], 0.21935602577417926, places=4)
        self.assertAlmostEqual(weights[5], 0.34190431429767715, places=4)

        self.assertEqual(results[1]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)
Exemple #5
0
class LocalExplainerTest(unittest.TestCase):
    def setUp(self):
        pass

    def tearDown(self):
        if hasattr(self, 'runner'):
            self.runner.remove_results()
            pass

    def test_explain_train_test_model(self):

        model_class = SklearnRandomForestTrainTestModel

        train_dataset_path = VmafConfig.test_resource_path(
            'test_image_dataset_diffdim2.py')
        train_dataset = import_python_file(train_dataset_path)
        train_assets = read_dataset(train_dataset)

        fextractor = MomentNorefFeatureExtractor(
            train_assets,
            None,
            fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict=None,
            optional_dict2=None,
        )
        fextractor.run(parallelize=True)
        self.features = fextractor.results

        xys = model_class.get_xys_from_results(self.features[:7])
        model = model_class(
            {
                'norm_type': 'normalize',
                'n_estimators': 10,
                'random_state': 0
            }, None)
        model.train(xys)

        np.random.seed(0)

        xs = model_class.get_xs_from_results(self.features[7:])
        explainer = LocalExplainer(neighbor_samples=1000)
        exps = explainer.explain(model, xs)

        self.assertAlmostEqual(exps['feature_weights'][0, 0],
                               -0.12416,
                               places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 0],
                               0.00076,
                               places=4)
        self.assertAlmostEqual(exps['feature_weights'][0, 1],
                               -0.20931,
                               places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 1],
                               -0.01245,
                               places=4)
        self.assertAlmostEqual(exps['feature_weights'][0, 2],
                               0.02322,
                               places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 2],
                               0.03673,
                               places=4)

        self.assertAlmostEqual(exps['features'][0, 0], 107.73501, places=4)
        self.assertAlmostEqual(exps['features'][1, 0], 35.81638, places=4)
        self.assertAlmostEqual(exps['features'][0, 1], 13691.23881, places=4)
        self.assertAlmostEqual(exps['features'][1, 1], 1611.56764, places=4)
        self.assertAlmostEqual(exps['features'][0, 2], 2084.40542, places=4)
        self.assertAlmostEqual(exps['features'][1, 2], 328.75389, places=4)

        self.assertAlmostEqual(exps['features_normalized'][0, 0],
                               -0.65527,
                               places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 0],
                               -3.74922,
                               places=4)
        self.assertAlmostEqual(exps['features_normalized'][0, 1],
                               -0.68872,
                               places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 1],
                               -2.79586,
                               places=4)
        self.assertAlmostEqual(exps['features_normalized'][0, 2],
                               0.08524,
                               places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 2],
                               -1.32625,
                               places=4)

        self.assertEqual(exps['feature_names'], [
            'Moment_noref_feature_1st_score', 'Moment_noref_feature_2nd_score',
            'Moment_noref_feature_var_score'
        ])

    def test_explain_vmaf_results(self):
        ref_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv",
                                                 "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test",
                      content_id=0,
                      asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={
                          'width': 576,
                          'height': 324
                      })

        asset_original = Asset(dataset="test",
                               content_id=0,
                               asset_id=1,
                               workdir_root=VmafConfig.workdir_path(),
                               ref_path=ref_path,
                               dis_path=ref_path,
                               asset_dict={
                                   'width': 576,
                                   'height': 324
                               })

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None,
            fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict2={'explainer': LocalExplainer(neighbor_samples=100)})

        np.random.seed(0)

        self.runner.run()
        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'],
                               76.68425574067017,
                               places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'],
                               99.946416604585025,
                               places=4)

        expected_feature_names = [
            'VMAF_feature_adm2_score', 'VMAF_feature_motion2_score',
            'VMAF_feature_vif_scale0_score', 'VMAF_feature_vif_scale1_score',
            'VMAF_feature_vif_scale2_score', 'VMAF_feature_vif_scale3_score'
        ]

        weights = np.mean(results[0]['VMAF_scores_exps']['feature_weights'],
                          axis=0)
        self.assertAlmostEqual(weights[0], 0.66021689480916868, places=4)
        self.assertAlmostEqual(weights[1], 0.14691682562211777, places=4)
        self.assertAlmostEqual(weights[2], -0.023682744847036086, places=4)
        self.assertAlmostEqual(weights[3], -0.029779341850172818, places=4)
        self.assertAlmostEqual(weights[4], 0.19149485210137338, places=4)
        self.assertAlmostEqual(weights[5], 0.31890978778344126, places=4)

        self.assertEqual(results[0]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)

        weights = np.mean(results[1]['VMAF_scores_exps']['feature_weights'],
                          axis=0)
        self.assertAlmostEqual(weights[0], 0.69597961598838509, places=4)
        self.assertAlmostEqual(weights[1], 0.18256016705513464, places=4)
        self.assertAlmostEqual(weights[2], 0.0090048099912423147, places=4)
        self.assertAlmostEqual(weights[3], 0.028671810808880094, places=4)
        self.assertAlmostEqual(weights[4], 0.21935602577417926, places=4)
        self.assertAlmostEqual(weights[5], 0.34190431429767715, places=4)

        self.assertEqual(results[1]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)
class LocalExplainerTest(unittest.TestCase):

    def setUp(self):
        pass

    def tearDown(self):
        if hasattr(self, 'runner'):
            self.runner.remove_results()
            pass

    def test_explain_train_test_model(self):

        model_class = SklearnRandomForestTrainTestModel

        train_dataset_path = VmafConfig.test_resource_path('test_image_dataset_diffdim.py')
        train_dataset = import_python_file(train_dataset_path)
        train_assets = read_dataset(train_dataset)

        fextractor = MomentNorefFeatureExtractor(
            train_assets,
            None,
            fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict=None,
            optional_dict2=None,
        )
        fextractor.run(parallelize=True)
        self.features = fextractor.results

        xys = model_class.get_xys_from_results(self.features[:7])
        model = model_class({'norm_type':'normalize', 'random_state':0}, None)
        model.train(xys)

        np.random.seed(0)

        xs = model_class.get_xs_from_results(self.features[7:])
        explainer = LocalExplainer(neighbor_samples=1000)
        exps = explainer.explain(model, xs)

        self.assertAlmostEqual(exps['feature_weights'][0, 0], -0.12416, places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 0], 0.00076, places=4)
        self.assertAlmostEqual(exps['feature_weights'][0, 1], -0.20931, places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 1], -0.01245, places=4)
        self.assertAlmostEqual(exps['feature_weights'][0, 2], 0.02322, places=4)
        self.assertAlmostEqual(exps['feature_weights'][1, 2], 0.03673, places=4)

        self.assertAlmostEqual(exps['features'][0, 0], 107.73501, places=4)
        self.assertAlmostEqual(exps['features'][1, 0], 35.81638, places=4)
        self.assertAlmostEqual(exps['features'][0, 1], 13691.23881, places=4)
        self.assertAlmostEqual(exps['features'][1, 1], 1611.56764, places=4)
        self.assertAlmostEqual(exps['features'][0, 2], 2084.40542, places=4)
        self.assertAlmostEqual(exps['features'][1, 2], 328.75389, places=4)

        self.assertAlmostEqual(exps['features_normalized'][0, 0], -0.65527, places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 0], -3.74922, places=4)
        self.assertAlmostEqual(exps['features_normalized'][0, 1], -0.68872, places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 1], -2.79586, places=4)
        self.assertAlmostEqual(exps['features_normalized'][0, 2], 0.08524, places=4)
        self.assertAlmostEqual(exps['features_normalized'][1, 2], -1.32625, places=4)

        self.assertEqual(exps['feature_names'],
                         ['Moment_noref_feature_1st_score',
                          'Moment_noref_feature_2nd_score',
                          'Moment_noref_feature_var_score']
                         )

    def test_explain_vmaf_results(self):
        print 'test on running VMAF runner with local explainer...'
        ref_path = VmafConfig.test_resource_path("yuv", "src01_hrc00_576x324.yuv")
        dis_path = VmafConfig.test_resource_path("yuv", "src01_hrc01_576x324.yuv")
        asset = Asset(dataset="test", content_id=0, asset_id=0,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=dis_path,
                      asset_dict={'width':576, 'height':324})

        asset_original = Asset(dataset="test", content_id=0, asset_id=1,
                      workdir_root=VmafConfig.workdir_path(),
                      ref_path=ref_path,
                      dis_path=ref_path,
                      asset_dict={'width':576, 'height':324})

        self.runner = VmafQualityRunnerWithLocalExplainer(
            [asset, asset_original],
            None, fifo_mode=True,
            delete_workdir=True,
            result_store=None,
            optional_dict2={'explainer': LocalExplainer(neighbor_samples=100)}
        )

        np.random.seed(0)

        self.runner.run()
        results = self.runner.results

        self.assertAlmostEqual(results[0]['VMAF_score'], 76.699271272486044, places=4)
        self.assertAlmostEqual(results[1]['VMAF_score'], 99.946416604585025, places=4)

        expected_feature_names = ['VMAF_feature_adm2_score',
                                  'VMAF_feature_motion2_score',
                                  'VMAF_feature_vif_scale0_score',
                                  'VMAF_feature_vif_scale1_score',
                                  'VMAF_feature_vif_scale2_score',
                                  'VMAF_feature_vif_scale3_score']

        weights = np.mean(results[0]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.66021689480916868, places=4)
        self.assertAlmostEqual(weights[1], 0.14691682562211777, places=4)
        self.assertAlmostEqual(weights[2], -0.023682744847036086, places=4)
        self.assertAlmostEqual(weights[3], -0.029779341850172818, places=4)
        self.assertAlmostEqual(weights[4], 0.19149485210137338, places=4)
        self.assertAlmostEqual(weights[5], 0.31890978778344126, places=4)

        self.assertEqual(results[0]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)

        weights = np.mean(results[1]['VMAF_scores_exps']['feature_weights'], axis=0)
        self.assertAlmostEqual(weights[0], 0.69597961598838509, places=4)
        self.assertAlmostEqual(weights[1], 0.18256016705513464, places=4)
        self.assertAlmostEqual(weights[2], 0.0090048099912423147, places=4)
        self.assertAlmostEqual(weights[3], 0.028671810808880094, places=4)
        self.assertAlmostEqual(weights[4], 0.21935602577417926, places=4)
        self.assertAlmostEqual(weights[5], 0.34190431429767715, places=4)

        self.assertEqual(results[1]['VMAF_scores_exps']['feature_names'],
                         expected_feature_names)