340 lines
12 KiB
Python
340 lines
12 KiB
Python
from contextlib import ExitStack as DoesNotRaise
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from test.test_utils import mock_detections
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from typing import List, Optional, Union
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import numpy as np
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import pytest
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from supervision.detection.core import Detections
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from supervision.geometry.core import Position
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PREDICTIONS = np.array(
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[
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[2254, 906, 2447, 1353, 0.90538, 0],
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[2049, 1133, 2226, 1371, 0.59002, 56],
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[727, 1224, 838, 1601, 0.51119, 39],
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[808, 1214, 910, 1564, 0.45287, 39],
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[6, 52, 1131, 2133, 0.45057, 72],
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[299, 1225, 512, 1663, 0.45029, 39],
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[529, 874, 645, 945, 0.31101, 39],
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[8, 47, 1935, 2135, 0.28192, 72],
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[2265, 813, 2328, 901, 0.2714, 62],
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],
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dtype=np.float32,
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)
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DETECTIONS = Detections(
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xyxy=PREDICTIONS[:, :4],
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confidence=PREDICTIONS[:, 4],
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class_id=PREDICTIONS[:, 5].astype(int),
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)
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@pytest.mark.parametrize(
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"detections, index, expected_result, exception",
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[
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(
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DETECTIONS,
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DETECTIONS.class_id == 0,
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mock_detections(
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xyxy=[[2254, 906, 2447, 1353]], confidence=[0.90538], class_id=[0]
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),
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DoesNotRaise(),
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), # take only detections with class_id = 0
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(
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DETECTIONS,
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DETECTIONS.confidence > 0.5,
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mock_detections(
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xyxy=[
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[2254, 906, 2447, 1353],
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[2049, 1133, 2226, 1371],
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[727, 1224, 838, 1601],
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],
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confidence=[0.90538, 0.59002, 0.51119],
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class_id=[0, 56, 39],
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),
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DoesNotRaise(),
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), # take only detections with confidence > 0.5
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(
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DETECTIONS,
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np.array(
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[True, True, True, True, True, True, True, True, True], dtype=bool
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),
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DETECTIONS,
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DoesNotRaise(),
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), # take all detections
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(
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DETECTIONS,
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np.array(
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[False, False, False, False, False, False, False, False, False],
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dtype=bool,
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),
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Detections(
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xyxy=np.empty((0, 4), dtype=np.float32),
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confidence=np.array([], dtype=np.float32),
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class_id=np.array([], dtype=int),
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),
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DoesNotRaise(),
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), # take no detections
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(
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DETECTIONS,
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[0, 2],
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mock_detections(
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xyxy=[[2254, 906, 2447, 1353], [727, 1224, 838, 1601]],
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confidence=[0.90538, 0.51119],
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class_id=[0, 39],
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),
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DoesNotRaise(),
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), # take only first and third detection using List[int] index
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(
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DETECTIONS,
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np.array([0, 2]),
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mock_detections(
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xyxy=[[2254, 906, 2447, 1353], [727, 1224, 838, 1601]],
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confidence=[0.90538, 0.51119],
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class_id=[0, 39],
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),
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DoesNotRaise(),
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), # take only first and third detection using np.ndarray index
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(
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DETECTIONS,
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0,
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mock_detections(
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xyxy=[[2254, 906, 2447, 1353]], confidence=[0.90538], class_id=[0]
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),
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DoesNotRaise(),
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), # take only first detection by index
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(
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DETECTIONS,
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slice(1, 3),
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mock_detections(
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xyxy=[[2049, 1133, 2226, 1371], [727, 1224, 838, 1601]],
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confidence=[0.59002, 0.51119],
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class_id=[56, 39],
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),
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DoesNotRaise(),
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), # take only first detection by index slice (1, 3)
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(DETECTIONS, 10, None, pytest.raises(IndexError)), # index out of range
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(DETECTIONS, [0, 2, 10], None, pytest.raises(IndexError)), # index out of range
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(DETECTIONS, np.array([0, 2, 10]), None, pytest.raises(IndexError)),
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(
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DETECTIONS,
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np.array(
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[True, True, True, True, True, True, True, True, True, True, True]
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),
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None,
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pytest.raises(IndexError),
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),
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],
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)
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def test_getitem(
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detections: Detections,
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index: Union[int, slice, List[int], np.ndarray],
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expected_result: Optional[Detections],
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exception: Exception,
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) -> None:
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with exception:
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result = detections[index]
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assert result == expected_result
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@pytest.mark.parametrize(
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"detections_list, expected_result, exception",
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[
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([], Detections.empty(), DoesNotRaise()), # empty detections list
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(
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[Detections.empty()],
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Detections.empty(),
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DoesNotRaise(),
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), # single empty detections
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(
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[mock_detections(xyxy=[[10, 10, 20, 20]])],
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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DoesNotRaise(),
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), # single detection with xyxy field
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(
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[
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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mock_detections(xyxy=np.empty((0, 4), dtype=np.float32)),
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],
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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DoesNotRaise(),
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), # single detection with xyxy field + empty detection
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(
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[
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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mock_detections(xyxy=[[20, 20, 30, 30]]),
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],
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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DoesNotRaise(),
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), # two detections with xyxy field
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(
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[
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mock_detections(xyxy=[[10, 10, 20, 20]], class_id=[0]),
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mock_detections(xyxy=[[20, 20, 30, 30]]),
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],
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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pytest.raises(ValueError),
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), # detection with xyxy, class_id fields + detection with xyxy field
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(
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[
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mock_detections(xyxy=[[10, 10, 20, 20]], class_id=[0]),
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mock_detections(xyxy=[[20, 20, 30, 30]], class_id=[1]),
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],
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]], class_id=[0, 1]),
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DoesNotRaise(),
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), # two detections with xyxy, class_id fields
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(
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[
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
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mock_detections(xyxy=[[20, 20, 30, 30]], data={"test": [2]}),
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],
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mock_detections(
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xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]], data={"test": [1, 2]}
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),
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DoesNotRaise(),
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), # two detections with xyxy, data fields
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],
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)
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def test_merge(
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detections_list: List[Detections],
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expected_result: Optional[Detections],
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exception: Exception,
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) -> None:
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with exception:
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result = Detections.merge(detections_list=detections_list)
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assert result == expected_result
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@pytest.mark.parametrize(
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"detections, anchor, expected_result, exception",
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[
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(
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Detections.empty(),
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Position.CENTER,
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np.empty((0, 2), dtype=np.float32),
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DoesNotRaise(),
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), # empty detections
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(
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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Position.CENTER,
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np.array([[15, 15]], dtype=np.float32),
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DoesNotRaise(),
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), # single detection; center anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.CENTER,
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np.array([[15, 15], [25, 25]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; center anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.CENTER_LEFT,
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np.array([[10, 15], [20, 25]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; center left anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.CENTER_RIGHT,
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np.array([[20, 15], [30, 25]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; center right anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.TOP_CENTER,
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np.array([[15, 10], [25, 20]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; top center anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.TOP_LEFT,
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np.array([[10, 10], [20, 20]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; top left anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.TOP_RIGHT,
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np.array([[20, 10], [30, 20]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; top right anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.BOTTOM_CENTER,
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np.array([[15, 20], [25, 30]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; bottom center anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.BOTTOM_LEFT,
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np.array([[10, 20], [20, 30]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; bottom left anchor
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(
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mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
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Position.BOTTOM_RIGHT,
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np.array([[20, 20], [30, 30]], dtype=np.float32),
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DoesNotRaise(),
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), # two detections; bottom right anchor
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],
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)
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def test_get_anchor_coordinates(
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detections: Detections,
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anchor: Position,
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expected_result: np.ndarray,
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exception: Exception,
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) -> None:
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result = detections.get_anchors_coordinates(anchor)
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with exception:
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assert np.array_equal(result, expected_result)
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@pytest.mark.parametrize(
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"detections_a, detections_b, expected_result",
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[
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(
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Detections.empty(),
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Detections.empty(),
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True,
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), # empty detections
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(
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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True,
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), # detections with xyxy field
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
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mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
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True,
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), # detections with xyxy, confidence fields
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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False,
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), # detection with xyxy field + detection with xyxy, confidence fields
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
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True,
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), # detections with xyxy, data fields
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
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mock_detections(xyxy=[[10, 10, 20, 20]]),
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False,
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), # detection with xyxy field + detection with xyxy, data fields
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [1]}),
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_2": [1]}),
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False,
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), # detections with xyxy, and different data field names
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(
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [1]}),
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mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [3]}),
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False,
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), # detections with xyxy, and different data field values
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],
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)
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def test_equal(
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detections_a: Detections, detections_b: Detections, expected_result: bool
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) -> None:
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assert (detections_a == detections_b) == expected_result
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