本文整理匯總了Python中object_detection.core.preprocessor.random_adjust_contrast方法的典型用法代碼示例。如果您正苦於以下問題：Python preprocessor.random_adjust_contrast方法的具體用法？Python preprocessor.random_adjust_contrast怎麽用？Python preprocessor.random_adjust_contrast使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類object_detection.core.preprocessor的用法示例。
在下文中一共展示了preprocessor.random_adjust_contrast方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: testRandomAdjustContrast
# 需要導入模塊: from object_detection.core import preprocessor [as 別名]
# 或者: from object_detection.core.preprocessor import random_adjust_contrast [as 別名]
def testRandomAdjustContrast(self):
preprocessing_options = []
preprocessing_options.append((preprocessor.normalize_image, {
'original_minval': 0,
'original_maxval': 255,
'target_minval': 0,
'target_maxval': 1
}))
preprocessing_options.append((preprocessor.random_adjust_contrast, {}))
images_original = self.createTestImages()
tensor_dict = {fields.InputDataFields.image: images_original}
tensor_dict = preprocessor.preprocess(tensor_dict, preprocessing_options)
images_contrast = tensor_dict[fields.InputDataFields.image]
image_original_shape = tf.shape(images_original)
image_contrast_shape = tf.shape(images_contrast)
with self.test_session() as sess:
(image_original_shape_, image_contrast_shape_) = sess.run(
[image_original_shape, image_contrast_shape])
self.assertAllEqual(image_original_shape_, image_contrast_shape_) 示例2: testRandomAdjustContrast
# 需要導入模塊: from object_detection.core import preprocessor [as 別名]
# 或者: from object_detection.core.preprocessor import random_adjust_contrast [as 別名]
def testRandomAdjustContrast(self):
def graph_fn():
preprocessing_options = []
preprocessing_options.append((preprocessor.normalize_image, {
'original_minval': 0,
'original_maxval': 255,
'target_minval': 0,
'target_maxval': 1
}))
preprocessing_options.append((preprocessor.random_adjust_contrast, {}))
images_original = self.createTestImages()
tensor_dict = {fields.InputDataFields.image: images_original}
tensor_dict = preprocessor.preprocess(tensor_dict, preprocessing_options)
images_contrast = tensor_dict[fields.InputDataFields.image]
image_original_shape = tf.shape(images_original)
image_contrast_shape = tf.shape(images_contrast)
return [image_original_shape, image_contrast_shape]
(image_original_shape_,
image_contrast_shape_) = self.execute_cpu(graph_fn, [])
self.assertAllEqual(image_original_shape_, image_contrast_shape_) 示例3: test_build_random_adjust_contrast
# 需要導入模塊: from object_detection.core import preprocessor [as 別名]
# 或者: from object_detection.core.preprocessor import random_adjust_contrast [as 別名]
def test_build_random_adjust_contrast(self):
preprocessor_text_proto = """
random_adjust_contrast {
min_delta: 0.7
max_delta: 1.1
}
"""
preprocessor_proto = preprocessor_pb2.PreprocessingStep()
text_format.Merge(preprocessor_text_proto, preprocessor_proto)
function, args = preprocessor_builder.build(preprocessor_proto)
self.assertEqual(function, preprocessor.random_adjust_contrast)
self.assert_dictionary_close(args, {'min_delta': 0.7, 'max_delta': 1.1})