Merge pull request #1296 from LinasKo/feat/florence-2-support

Add Florence 2 support
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Piotr Skalski 2024-06-21 11:40:00 -07:00 committed by GitHub
commit d5cebd4fd2
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3 changed files with 442 additions and 6 deletions

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@ -7,7 +7,12 @@ from typing import Any, Dict, Iterator, List, Optional, Tuple, Union
import numpy as np
from supervision.config import CLASS_NAME_DATA_FIELD, ORIENTED_BOX_COORDINATES
from supervision.detection.lmm import LMM, from_paligemma, validate_lmm_and_kwargs
from supervision.detection.lmm import (
LMM,
from_florence_2,
from_paligemma,
validate_lmm_parameters,
)
from supervision.detection.overlap_filter import (
box_non_max_merge,
box_non_max_suppression,
@ -811,7 +816,9 @@ class Detections:
)
@classmethod
def from_lmm(cls, lmm: Union[LMM, str], result: str, **kwargs) -> Detections:
def from_lmm(
cls, lmm: Union[LMM, str], result: Union[str, dict], **kwargs
) -> Detections:
"""
Creates a Detections object from the given result string based on the specified
Large Multimodal Model (LMM).
@ -847,13 +854,28 @@ class Detections:
# array([0])
```
"""
lmm = validate_lmm_and_kwargs(lmm, kwargs)
lmm = validate_lmm_parameters(lmm, result, kwargs)
if lmm == LMM.PALIGEMMA:
assert isinstance(result, str)
xyxy, class_id, class_name = from_paligemma(result, **kwargs)
data = {CLASS_NAME_DATA_FIELD: class_name}
return cls(xyxy=xyxy, class_id=class_id, data=data)
if lmm == LMM.FLORENCE_2:
assert isinstance(result, dict)
xyxy, labels, mask, xyxyxyxy = from_florence_2(result, **kwargs)
if len(xyxy) == 0:
return cls.empty()
data = {}
if labels is not None:
data[CLASS_NAME_DATA_FIELD] = labels
if xyxyxyxy is not None:
data[ORIENTED_BOX_COORDINATES] = xyxyxyxy
return cls(xyxy=xyxy, mask=mask, data=data)
raise ValueError(f"Unsupported LMM: {lmm}")
@classmethod

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@ -4,17 +4,43 @@ from typing import Any, Dict, List, Optional, Tuple, Union
import numpy as np
from supervision.detection.utils import polygon_to_mask, polygon_to_xyxy
class LMM(Enum):
PALIGEMMA = "paligemma"
FLORENCE_2 = "florence_2"
REQUIRED_ARGUMENTS: Dict[LMM, List[str]] = {LMM.PALIGEMMA: ["resolution_wh"]}
RESULT_TYPES: Dict[LMM, type] = {LMM.PALIGEMMA: str, LMM.FLORENCE_2: dict}
ALLOWED_ARGUMENTS: Dict[LMM, List[str]] = {LMM.PALIGEMMA: ["resolution_wh", "classes"]}
REQUIRED_ARGUMENTS: Dict[LMM, List[str]] = {
LMM.PALIGEMMA: ["resolution_wh"],
LMM.FLORENCE_2: ["resolution_wh"],
}
ALLOWED_ARGUMENTS: Dict[LMM, List[str]] = {
LMM.PALIGEMMA: ["resolution_wh", "classes"],
LMM.FLORENCE_2: ["resolution_wh"],
}
SUPPORTED_TASKS_FLORENCE_2 = [
"<OD>",
"<CAPTION_TO_PHRASE_GROUNDING>",
"<DENSE_REGION_CAPTION>",
"<REGION_PROPOSAL>",
"<OCR_WITH_REGION>",
"<REFERRING_EXPRESSION_SEGMENTATION>",
"<REGION_TO_SEGMENTATION>",
"<OPEN_VOCABULARY_DETECTION>",
"<REGION_TO_CATEGORY>",
"<REGION_TO_DESCRIPTION>",
]
def validate_lmm_and_kwargs(lmm: Union[LMM, str], kwargs: Dict[str, Any]) -> LMM:
def validate_lmm_parameters(
lmm: Union[LMM, str], result: Any, kwargs: Dict[str, Any]
) -> LMM:
if isinstance(lmm, str):
try:
lmm = LMM(lmm.lower())
@ -23,6 +49,11 @@ def validate_lmm_and_kwargs(lmm: Union[LMM, str], kwargs: Dict[str, Any]) -> LMM
f"Invalid lmm value: {lmm}. Must be one of {[e.value for e in LMM]}"
)
if not isinstance(result, RESULT_TYPES[lmm]):
raise ValueError(
f"Invalid LMM result type: {type(result)}. Must be {RESULT_TYPES[lmm]}"
)
required_args = REQUIRED_ARGUMENTS.get(lmm, [])
for arg in required_args:
if arg not in kwargs:
@ -57,3 +88,95 @@ def from_paligemma(
class_id = np.array([classes.index(name) for name in class_name])
return xyxy, class_id, class_name
def from_florence_2(
result: dict, resolution_wh: Tuple[int, int]
) -> Tuple[
np.ndarray, Optional[np.ndarray], Optional[np.ndarray], Optional[np.ndarray]
]:
"""
Parse results from the Florence 2 multi-model model.
https://huggingface.co/microsoft/Florence-2-large
Parameters:
result: dict containing the model output
Returns:
xyxy (np.ndarray): An array of shape `(n, 4)` containing
the bounding boxes coordinates in format `[x1, y1, x2, y2]`
labels: (Optional[np.ndarray]): An array of shape `(n,)` containing
the class labels for each bounding box
masks: (Optional[np.ndarray]): An array of shape `(n, h, w)` containing
the segmentation masks for each bounding box
obb_boxes: (Optional[np.ndarray]): An array of shape `(n, 4, 2)` containing
oriented bounding boxes.
"""
assert len(result) == 1, f"Expected result with a single element. Got: {result}"
task = list(result.keys())[0]
if task not in SUPPORTED_TASKS_FLORENCE_2:
raise ValueError(
f"{task} not supported. Supported tasks are: {SUPPORTED_TASKS_FLORENCE_2}"
)
result = result[task]
if task in ["<OD>", "<CAPTION_TO_PHRASE_GROUNDING>", "<DENSE_REGION_CAPTION>"]:
xyxy = np.array(result["bboxes"], dtype=np.float32)
labels = np.array(result["labels"])
return xyxy, labels, None, None
if task == "<REGION_PROPOSAL>":
xyxy = np.array(result["bboxes"], dtype=np.float32)
# provides labels, but they are ["", "", "", ...]
return xyxy, None, None, None
if task == "<OCR_WITH_REGION>":
xyxyxyxy = np.array(result["quad_boxes"], dtype=np.float32)
xyxyxyxy = xyxyxyxy.reshape(-1, 4, 2)
xyxy = np.array([polygon_to_xyxy(polygon) for polygon in xyxyxyxy])
labels = np.array(result["labels"])
return xyxy, labels, None, xyxyxyxy
if task in ["<REFERRING_EXPRESSION_SEGMENTATION>", "<REGION_TO_SEGMENTATION>"]:
xyxy_list = []
masks_list = []
for polygons_of_same_class in result["polygons"]:
for polygon in polygons_of_same_class:
polygon = np.reshape(polygon, (-1, 2)).astype(np.int32)
mask = polygon_to_mask(polygon, resolution_wh).astype(bool)
masks_list.append(mask)
xyxy = polygon_to_xyxy(polygon)
xyxy_list.append(xyxy)
# per-class labels also provided, but they are ["", "", "", ...]
# when we figure out how to set class names, we can do
# zip(result["labels"], result["polygons"])
xyxy = np.array(xyxy_list, dtype=np.float32)
masks = np.array(masks_list)
return xyxy, None, masks, None
if task == "<OPEN_VOCABULARY_DETECTION>":
xyxy = np.array(result["bboxes"], dtype=np.float32)
labels = np.array(result["bboxes_labels"])
# Also has "polygons" and "polygons_labels", but they don't seem to be used
return xyxy, labels, None, None
if task in ["<REGION_TO_CATEGORY>", "<REGION_TO_DESCRIPTION>"]:
assert isinstance(
result, str
), f"Expected string as <REGION_TO_CATEGORY> result, got {type(result)}"
if result == "No object detected.":
return np.empty((0, 4), dtype=np.float32), np.array([]), None, None
pattern = re.compile(r"<loc_(\d+)><loc_(\d+)><loc_(\d+)><loc_(\d+)>")
match = pattern.search(result)
assert (
match is not None
), f"Expected string to end in location tags, but got {result}"
xyxy = np.array([match.groups()], dtype=np.float32)
result_string = result[: match.start()]
labels = np.array([result_string])
return xyxy, labels, None, None
assert False, f"Unimplemented task: {task}"

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@ -0,0 +1,291 @@
from contextlib import ExitStack as DoesNotRaise
from typing import Optional, Tuple
import numpy as np
import pytest
from supervision.detection.lmm import from_florence_2
@pytest.mark.parametrize(
"florence_result, resolution_wh, expected_results, exception",
[
( # Object detection: empty
{"<OD>": {"bboxes": [], "labels": []}},
(10, 10),
(np.array([], dtype=np.float32), np.array([]), None, None),
DoesNotRaise(),
),
( # Object detection: two detections
{
"<OD>": {
"bboxes": [[4, 4, 6, 6], [5, 5, 7, 7]],
"labels": ["car", "door"],
}
},
(10, 10),
(
np.array([[4, 4, 6, 6], [5, 5, 7, 7]], dtype=np.float32),
np.array(["car", "door"]),
None,
None,
),
DoesNotRaise(),
),
( # Caption: unsupported
{"<CAPTION>": "A green car parked in front of a yellow building."},
(10, 10),
None,
pytest.raises(ValueError),
),
( # Detailed Caption: unsupported
{
"<DETAILED_CAPTION>": "The image shows a blue Volkswagen Beetle parked "
"in front of a yellow building with two brown doors, surrounded by "
"trees and a clear blue sky."
},
(10, 10),
None,
pytest.raises(ValueError),
),
( # More Detailed Caption: unsupported
{
"<MORE_DETAILED_CAPTION>": "The image shows a vintage Volkswagen "
"Beetle car parked on a "
"cobblestone street in front of a yellow building with two wooden "
"doors. The car is painted in a bright turquoise color and has a "
"white stripe running along the side. It has two doors on either side "
"of the car, one on top of the other, and a small window on the "
"front. The building appears to be old and dilapidated, with peeling "
"paint and crumbling walls. The sky is blue and there are trees in "
"the background."
},
(10, 10),
None,
pytest.raises(ValueError),
),
( # Caption to Phrase Grounding: empty
{"<CAPTION_TO_PHRASE_GROUNDING>": {"bboxes": [], "labels": []}},
(10, 10),
(np.array([], dtype=np.float32), np.array([]), None, None),
DoesNotRaise(),
),
( # Caption to Phrase Grounding: two detections
{
"<CAPTION_TO_PHRASE_GROUNDING>": {
"bboxes": [[4, 4, 6, 6], [5, 5, 7, 7]],
"labels": ["a green car", "a yellow building"],
}
},
(10, 10),
(
np.array([[4, 4, 6, 6], [5, 5, 7, 7]], dtype=np.float32),
np.array(["a green car", "a yellow building"]),
None,
None,
),
DoesNotRaise(),
),
( # Dense Region caption: empty
{"<DENSE_REGION_CAPTION>": {"bboxes": [], "labels": []}},
(10, 10),
(np.array([], dtype=np.float32), np.array([]), None, None),
DoesNotRaise(),
),
( # Caption to Phrase Grounding: two detections
{
"<DENSE_REGION_CAPTION>": {
"bboxes": [[4, 4, 6, 6], [5, 5, 7, 7]],
"labels": ["a green car", "a yellow building"],
}
},
(10, 10),
(
np.array([[4, 4, 6, 6], [5, 5, 7, 7]], dtype=np.float32),
np.array(["a green car", "a yellow building"]),
None,
None,
),
DoesNotRaise(),
),
( # Region proposal
{
"<REGION_PROPOSAL>": {
"bboxes": [[4, 4, 6, 6], [5, 5, 7, 7]],
"labels": ["", ""],
}
},
(10, 10),
(
np.array([[4, 4, 6, 6], [5, 5, 7, 7]], dtype=np.float32),
None,
None,
None,
),
DoesNotRaise(),
),
( # Referring Expression Segmentation
{
"<REFERRING_EXPRESSION_SEGMENTATION>": {
"polygons": [[[1, 1, 2, 1, 2, 2, 1, 2]]],
"labels": [""],
}
},
(10, 10),
(
np.array([[1.0, 1.0, 2.0, 2.0]], dtype=np.float32),
None,
np.array(
[
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
]
],
dtype=bool,
),
None,
),
DoesNotRaise(),
),
( # Referring Expression Segmentation
{
"<REFERRING_EXPRESSION_SEGMENTATION>": {
"polygons": [[[1, 1, 2, 1, 2, 2, 1, 2]]],
"labels": [""],
}
},
(10, 10),
(
np.array([[1.0, 1.0, 2.0, 2.0]], dtype=np.float32),
None,
np.array(
[
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
[0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
]
],
dtype=bool,
),
None,
),
DoesNotRaise(),
),
( # OCR: unsupported
{"<OCR>": "A"},
(10, 10),
None,
pytest.raises(ValueError),
),
( # OCR with Region: obb boxes
{
"<OCR_WITH_REGION>": {
"quad_boxes": [[2, 2, 6, 4, 5, 6, 1, 5], [4, 4, 5, 5, 4, 6, 3, 5]],
"labels": ["some text", "other text"],
}
},
(10, 10),
(
np.array([[1, 2, 6, 6], [3, 4, 5, 6]], dtype=np.float32),
np.array(["some text", "other text"]),
None,
np.array(
[[[2, 2], [6, 4], [5, 6], [1, 5]], [[4, 4], [5, 5], [4, 6], [3, 5]]]
),
),
DoesNotRaise(),
),
( # Open Vocabulary Detection
{
"<OPEN_VOCABULARY_DETECTION>": {
"bboxes": [[4, 4, 6, 6], [5, 5, 7, 7]],
"bboxes_labels": ["cat", "cat"],
"polygon": [],
"polygons_labels": [],
}
},
(10, 10),
(
np.array([[4, 4, 6, 6], [5, 5, 7, 7]], dtype=np.float32),
np.array(["cat", "cat"]),
None,
None,
),
DoesNotRaise(),
),
( # Region to Category: empty
{"<REGION_TO_CATEGORY>": "No object detected."},
(10, 10),
(np.empty((0, 4), dtype=np.float32), np.array([]), None, None),
DoesNotRaise(),
),
( # Region to Category: detected
{"<REGION_TO_CATEGORY>": "some object<loc_3><loc_4><loc_5><loc_6>"},
(10, 10),
(
np.array([[3, 4, 5, 6]], dtype=np.float32),
np.array(["some object"]),
None,
None,
),
DoesNotRaise(),
),
( # Region to Description: empty
{"<REGION_TO_DESCRIPTION>": "No object detected."},
(10, 10),
(np.empty((0, 4), dtype=np.float32), np.array([]), None, None),
DoesNotRaise(),
),
( # Region to Description: detected
{"<REGION_TO_DESCRIPTION>": "some description<loc_3><loc_4><loc_5><loc_6>"},
(10, 10),
(
np.array([[3, 4, 5, 6]], dtype=np.float32),
np.array(["some description"]),
None,
None,
),
DoesNotRaise(),
),
],
)
def test_florence_2(
florence_result: dict,
resolution_wh: Tuple[int, int],
expected_results: Tuple[
np.ndarray, Optional[np.ndarray], Optional[np.ndarray], Optional[np.ndarray]
],
exception: Exception,
) -> None:
with exception:
result = from_florence_2(florence_result, resolution_wh)
np.testing.assert_array_equal(result[0], expected_results[0])
if expected_results[1] is None:
assert result[1] is None
else:
np.testing.assert_array_equal(result[1], expected_results[1])
if expected_results[2] is None:
assert result[2] is None
else:
np.testing.assert_array_equal(result[2], expected_results[2])
if expected_results[3] is None:
assert result[3] is None
else:
np.testing.assert_array_equal(result[3], expected_results[3])