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enginex-mlu370-any2any/transformers/tests/models/lightglue/test_image_processing_lightglue.py
2025-10-09 16:47:16 +08:00

97 lines
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Python

# Copyright 2025 The HuggingFace Team. 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.
import unittest
from tests.models.superglue.test_image_processing_superglue import (
SuperGlueImageProcessingTest,
SuperGlueImageProcessingTester,
)
from transformers.testing_utils import require_torch, require_vision
from transformers.utils import is_torch_available, is_vision_available
if is_torch_available():
import numpy as np
import torch
from transformers.models.lightglue.modeling_lightglue import LightGlueKeypointMatchingOutput
if is_vision_available():
from transformers import LightGlueImageProcessor
def random_array(size):
return np.random.randint(255, size=size)
def random_tensor(size):
return torch.rand(size)
class LightGlueImageProcessingTester(SuperGlueImageProcessingTester):
"""Tester for LightGlueImageProcessor"""
def __init__(
self,
parent,
batch_size=6,
num_channels=3,
image_size=18,
min_resolution=30,
max_resolution=400,
do_resize=True,
size=None,
do_grayscale=True,
):
super().__init__(
parent, batch_size, num_channels, image_size, min_resolution, max_resolution, do_resize, size, do_grayscale
)
def prepare_keypoint_matching_output(self, pixel_values):
"""Prepare a fake output for the keypoint matching model with random matches between 50 keypoints per image."""
max_number_keypoints = 50
batch_size = len(pixel_values)
mask = torch.zeros((batch_size, 2, max_number_keypoints), dtype=torch.int)
keypoints = torch.zeros((batch_size, 2, max_number_keypoints, 2))
matches = torch.full((batch_size, 2, max_number_keypoints), -1, dtype=torch.int)
scores = torch.zeros((batch_size, 2, max_number_keypoints))
prune = torch.zeros((batch_size, 2, max_number_keypoints), dtype=torch.int)
for i in range(batch_size):
random_number_keypoints0 = np.random.randint(10, max_number_keypoints)
random_number_keypoints1 = np.random.randint(10, max_number_keypoints)
random_number_matches = np.random.randint(5, min(random_number_keypoints0, random_number_keypoints1))
mask[i, 0, :random_number_keypoints0] = 1
mask[i, 1, :random_number_keypoints1] = 1
keypoints[i, 0, :random_number_keypoints0] = torch.rand((random_number_keypoints0, 2))
keypoints[i, 1, :random_number_keypoints1] = torch.rand((random_number_keypoints1, 2))
random_matches_indices0 = torch.randperm(random_number_keypoints1, dtype=torch.int)[:random_number_matches]
random_matches_indices1 = torch.randperm(random_number_keypoints0, dtype=torch.int)[:random_number_matches]
matches[i, 0, random_matches_indices1] = random_matches_indices0
matches[i, 1, random_matches_indices0] = random_matches_indices1
scores[i, 0, random_matches_indices1] = torch.rand((random_number_matches,))
scores[i, 1, random_matches_indices0] = torch.rand((random_number_matches,))
return LightGlueKeypointMatchingOutput(
mask=mask, keypoints=keypoints, matches=matches, matching_scores=scores, prune=prune
)
@require_torch
@require_vision
class LightGlueImageProcessingTest(SuperGlueImageProcessingTest, unittest.TestCase):
image_processing_class = LightGlueImageProcessor if is_vision_available() else None
def setUp(self) -> None:
super().setUp()
self.image_processor_tester = LightGlueImageProcessingTester(self)