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# Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
# SPDX-License-Identifier: MIT
import os
import cv2
import numpy as np
from context import style_transfer
from context import cv_utils
def test_style_transfer_postprocess(test_data_folder):
content_image = "messi5.jpg"
target_shape = (1,256,256,3)
keep_aspect_ratio = False
image = cv2.imread(os.path.join(test_data_folder, content_image))
original_shape = image.shape
preprocessed_image = cv_utils.preprocess(image, np.float32, target_shape, False, keep_aspect_ratio)
assert preprocessed_image.shape == target_shape
postprocess_image = style_transfer.style_transfer_postprocess(preprocessed_image, original_shape)
assert postprocess_image.shape == original_shape
def test_style_transfer(test_data_folder):
style_predict_model_path = os.path.join(test_data_folder, "style_predict.tflite")
style_transfer_model_path = os.path.join(test_data_folder, "style_transfer.tflite")
backends = ["CpuAcc", "CpuRef"]
delegate_path = os.path.join(test_data_folder, "libarmnnDelegate.so")
image = cv2.imread(os.path.join(test_data_folder, "messi5.jpg"))
style_transfer_executor = style_transfer.StyleTransfer(style_predict_model_path, style_transfer_model_path,
image, backends, delegate_path)
assert style_transfer_executor.get_style_predict_executor_shape() == (1, 256, 256, 3)
def test_run_style_transfer(test_data_folder):
style_predict_model_path = os.path.join(test_data_folder, "style_predict.tflite")
style_transfer_model_path = os.path.join(test_data_folder, "style_transfer.tflite")
backends = ["CpuAcc", "CpuRef"]
delegate_path = os.path.join(test_data_folder, "libarmnnDelegate.so")
style_image = cv2.imread(os.path.join(test_data_folder, "messi5.jpg"))
content_image = cv2.imread(os.path.join(test_data_folder, "basketball1.png"))
style_transfer_executor = style_transfer.StyleTransfer(style_predict_model_path, style_transfer_model_path,
style_image, backends, delegate_path)
stylized_image = style_transfer_executor.run_style_transfer(content_image)
assert stylized_image.shape == content_image.shape
def test_create_stylized_detection(test_data_folder):
style_predict_model_path = os.path.join(test_data_folder, "style_predict.tflite")
style_transfer_model_path = os.path.join(test_data_folder, "style_transfer.tflite")
backends = ["CpuAcc", "CpuRef"]
delegate_path = os.path.join(test_data_folder, "libarmnnDelegate.so")
style_image = cv2.imread(os.path.join(test_data_folder, "messi5.jpg"))
content_image = cv2.imread(os.path.join(test_data_folder, "basketball1.png"))
detections = [(0.0, [0.16745174, 0.15101701, 0.5371381, 0.74165875], 0.87597656)]
labels = {0: ('person', (50.888902345757494, 129.61878417939724, 207.2891028294508)),
1: ('bicycle', (55.055339686943654, 55.828708219750574, 43.550389695374676)),
2: ('car', (95.33096265662336, 194.872841553212, 218.58516479057758))}
style_transfer_executor = style_transfer.StyleTransfer(style_predict_model_path, style_transfer_model_path,
style_image, backends, delegate_path)
stylized_image = style_transfer.create_stylized_detection(style_transfer_executor, 'person', content_image,
detections, 720, labels)
assert stylized_image.shape == content_image.shape
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