<reponame>APrigarina/open_model_zoo
"""
 Copyright (c) 2021 Intel Corporation

 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 numpy as np
import cv2


def max_central_square_crop(image):
    ''' Makes max-sized central squared crop. '''

    height, width = image.shape[:2]

    if width > height:
        image = image[:, (width - height) // 2:(width - height) // 2 + height]
    else:
        image = image[(height - width) // 2:(height - width) // 2 + width, :]

    return image


def crop_resize(image, input_size):
    ''' Makes max-sized central squared crop and resize to input_size '''

    image = max_central_square_crop(image)
    image = cv2.resize(image, (input_size[1], input_size[0]))
    image = np.expand_dims(image, axis=0)
    return image

"""
 Copyright (c) 2021 Intel Corporation

 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 numpy as np
import cv2


def max_central_square_crop(image):
    ''' Makes max-sized central squared crop. '''

    height, width = image.shape[:2]

    if width > height:
        image = image[:, (width - height) // 2:(width - height) // 2 + height]
    else:
        image = image[(height - width) // 2:(height - width) // 2 + width, :]

    return image


def crop_resize(image, input_size):
    ''' Makes max-sized central squared crop and resize to input_size '''

    image = max_central_square_crop(image)
    image = cv2.resize(image, (input_size[1], input_size[0]))
    image = np.expand_dims(image, axis=0)
    return image
Copyright (c) 2021 Intel Corporation   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. Makes max-sized central squared crop. Makes max-sized central squared crop and resize to input_size