71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# Copyright 2023 The MediaPipe Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Benchmark utils for MediaPipe Tasks."""
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import os
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import numpy as np
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def nth_percentile(inference_times, percentile):
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"""Calculate the nth percentile of the inference times."""
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return np.percentile(inference_times, percentile)
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def average(inference_times):
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"""Calculate the average of the inference times."""
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return np.mean(inference_times)
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def get_test_data_path(test_srcdir, file_or_dirname_path: str) -> str:
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"""Determine the test data path.
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Args:
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test_srcdir: The path to the test source directory.
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file_or_dirname_path: The path to the file or directory.
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Returns:
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The full test data path.
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"""
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for directory, subdirs, files in os.walk(test_srcdir):
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for f in subdirs + files:
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path = os.path.join(directory, f)
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if path.endswith(file_or_dirname_path):
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return path
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raise ValueError(
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"No %s in test directory: %s." % (file_or_dirname_path, test_srcdir)
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)
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def get_model_path(custom_model, default_model_path):
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"""Determine the model path based on the existence of the custom model.
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Args:
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custom_model: The path to the custom model provided by the user.
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default_model_path: The path to the default model.
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Returns:
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The path to the model to be used.
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"""
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if custom_model is not None and os.path.exists(custom_model):
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print(f"Using provided model: {custom_model}")
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return custom_model
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else:
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if custom_model is not None:
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print(
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f"Warning: Provided model '{custom_model}' not found. "
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"Using default model instead."
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)
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print(f"Using default model: {default_model_path}")
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return default_model_path
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