
from itertools import product

from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey
from numpy import dot, exp, mgrid, pi, ravel, square, uinta, zeros





def 						SCREAMING_SNAKE_CASE__     (   __lowerCAmelCase     ,		__lowerCAmelCase				):
    snake_case__    =					k_size // 2
    snake_case__    ,       snake_case__    =					mgrid[0 - center : k_size - center, 0 - center : k_size - center]
    snake_case__    =					1 / (2 * pi * sigma) * exp(-(square(__lowerCAmelCase				) + square(__lowerCAmelCase				)) / (2 * square(__lowerCAmelCase				))				)
    return g





def 						SCREAMING_SNAKE_CASE__     (   __lowerCAmelCase     ,		__lowerCAmelCase     ,		__lowerCAmelCase				):
    snake_case__    ,       snake_case__    =					image.shape[0], image.shape[1]
    # dst image height and width
    snake_case__    =					height - k_size + 1
    snake_case__    =					width - k_size + 1

    # im2col, turn the k_size*k_size pixels into a row and np.vstack all rows
    snake_case__    =					zeros((dst_height * dst_width, k_size * k_size)				)
    snake_case__    =					0
    for i, j in product(range(__lowerCAmelCase				)     ,		range(__lowerCAmelCase				)				):
        snake_case__    =					ravel(image[i : i + k_size, j : j + k_size]				)
        snake_case__    =					window
        row += 1

    #  turn the kernel into shape(k*k, 1)
    snake_case__    =					gen_gaussian_kernel(__lowerCAmelCase     ,		__lowerCAmelCase				)
    snake_case__    =					ravel(__lowerCAmelCase				)

    # reshape and get the dst image
    snake_case__    =					dot(__lowerCAmelCase     ,		__lowerCAmelCase				).reshape(__lowerCAmelCase     ,		__lowerCAmelCase				).astype(__lowerCAmelCase				)

    return dst


if __name__ == "__main__":
     # read original image
     __magic_name__  							=	imread(r'''../image_data/lena.jpg''')
     # turn image in gray scale value
     __magic_name__  							=	cvtColor(img, COLOR_BGR2GRAY)

     # get values with two different mask size
     __magic_name__  							=	gaussian_filter(gray, 3, sigma=1)
     __magic_name__  							=	gaussian_filter(gray, 5, sigma=0.8)

     # show result images
     imshow('''gaussian filter with 3x3 mask''', gaussianaxa)
     imshow('''gaussian filter with 5x5 mask''', gaussianaxa)
     waitKey()





import json
import pathlib
import unittest

import numpy as np

from transformers.testing_utils import require_torch, require_vision, slow
from transformers.utils import is_torch_available, is_vision_available

from ...test_image_processing_common import ImageProcessingSavingTestMixin, prepare_image_inputs


if is_torch_available():
     import torch

if is_vision_available():
     from PIL import Image

     from transformers import DetrImageProcessor




class        _SCREAMING_SNAKE_CASE	(   unittest.TestCase			):
      def __init__(      self		,						lowerCamelCase		,						lowerCamelCase=7		,						lowerCamelCase=3		,						lowerCamelCase=30		,						lowerCamelCase=4_00		,						lowerCamelCase=True		,						lowerCamelCase=None		,						lowerCamelCase=True		,						lowerCamelCase=1 / 2_55		,						lowerCamelCase=True		,						lowerCamelCase=[0.5, 0.5, 0.5]		,						lowerCamelCase=[0.5, 0.5, 0.5]		,						lowerCamelCase=True		,						):
          # by setting size["longest_edge"] > max_resolution we're effectively not testing this :p
          snake_case__    =					size if size is not None else {"shortest_edge": 18, "longest_edge": 13_33}
          snake_case__    =					parent
          snake_case__    =					batch_size
          snake_case__    =					num_channels
          snake_case__    =					min_resolution
          snake_case__    =					max_resolution
          snake_case__    =					do_resize
          snake_case__    =					size
          snake_case__    =					do_rescale
          snake_case__    =					rescale_factor
          snake_case__    =					do_normalize
          snake_case__    =					image_mean
          snake_case__    =					image_std
          snake_case__    =					do_pad
      def A_      (      self			):
          return {
              "do_resize": self.do_resize,
              "size": self.size,
              "do_rescale": self.do_rescale,
              "rescale_factor": self.rescale_factor,
              "do_normalize": self.do_normalize,
              "image_mean": self.image_mean,
              "image_std": self.image_std,
              "do_pad": self.do_pad,
          }



      def A_      (      self		,						lowerCamelCase		,						lowerCamelCase=False			):
          if not batched:
              snake_case__    =					image_inputs[0]
              if isinstance(lowerCamelCase		,						Image.Image			):
                  snake_case__    ,       snake_case__    =					image.size
              else:
                  snake_case__    ,       snake_case__    =					image.shape[1], image.shape[2]
              if w < h:
                  snake_case__    =					int(self.size["shortest_edge"] * h / w			)
                  snake_case__    =					self.size["shortest_edge"]
              elif w > h:
                  snake_case__    =					self.size["shortest_edge"]
                  snake_case__    =					int(self.size["shortest_edge"] * w / h			)
              else:
                  snake_case__    =					self.size["shortest_edge"]
                  snake_case__    =					self.size["shortest_edge"]

          else:
              snake_case__    =					[]
              for image in image_inputs:
                  snake_case__    ,       snake_case__    =					self.get_expected_values([image]			)
                  expected_values.append((expected_height, expected_width)			)
              snake_case__    =					max(lowerCamelCase		,						key=lambda lowerCamelCase			: item[0]			)[0]
              snake_case__    =					max(lowerCamelCase		,						key=lambda lowerCamelCase			: item[1]			)[1]

          return expected_height, expected_width





@require_torch
@require_vision
class        _SCREAMING_SNAKE_CASE	(   __UpperCamelCase							,       unittest.TestCase			):
      _A    :		Optional[Any]     						=  DetrImageProcessor if is_vision_available() else None
      def A_      (      self			):
          snake_case__    =					DetrImageProcessingTester(self			)
      @property
      def A_      (      self			):
          return self.image_processor_tester.prepare_image_processor_dict()
      def A_      (      self			):
          snake_case__    =					self.image_processing_class(**self.image_processor_dict			)
          self.assertTrue(hasattr(lowerCamelCase		,						"image_mean"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"image_std"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"do_normalize"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"do_rescale"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"rescale_factor"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"do_resize"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"size"			)			)
          self.assertTrue(hasattr(lowerCamelCase		,						"do_pad"			)			)
      def A_      (      self			):
          snake_case__    =					self.image_processing_class.from_dict(self.image_processor_dict			)
          self.assertEqual(image_processor.size		,						{"shortest_edge": 18, "longest_edge": 13_33}			)
          self.assertEqual(image_processor.do_pad		,						lowerCamelCase			)

          snake_case__    =					self.image_processing_class.from_dict(
              self.image_processor_dict		,						size=42		,						max_size=84		,						pad_and_return_pixel_mask=lowerCamelCase			)
          self.assertEqual(image_processor.size		,						{"shortest_edge": 42, "longest_edge": 84}			)
          self.assertEqual(image_processor.do_pad		,						lowerCamelCase			)
      def A_      (      self			):
          pass
      def A_      (      self			):
          # Initialize image_processing
          snake_case__    =					self.image_processing_class(**self.image_processor_dict			)
          # create random PIL images
          snake_case__    =					prepare_image_inputs(self.image_processor_tester		,						equal_resolution=lowerCamelCase			)
          for image in image_inputs:
              self.assertIsInstance(lowerCamelCase		,						Image.Image			)

          # Test not batched input
          snake_case__    =					image_processing(image_inputs[0]		,						return_tensors="pt"			).pixel_values

          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase			)

          self.assertEqual(
              encoded_images.shape		,						(1, self.image_processor_tester.num_channels, expected_height, expected_width)		,						)

          # Test batched
          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase		,						batched=lowerCamelCase			)

          snake_case__    =					image_processing(lowerCamelCase		,						return_tensors="pt"			).pixel_values
          self.assertEqual(
              encoded_images.shape		,						(
                  self.image_processor_tester.batch_size,
                  self.image_processor_tester.num_channels,
                  expected_height,
                  expected_width,
              )		,						)
      def A_      (      self			):
          # Initialize image_processing
          snake_case__    =					self.image_processing_class(**self.image_processor_dict			)
          # create random numpy tensors
          snake_case__    =					prepare_image_inputs(self.image_processor_tester		,						equal_resolution=lowerCamelCase		,						numpify=lowerCamelCase			)
          for image in image_inputs:
              self.assertIsInstance(lowerCamelCase		,						np.ndarray			)

          # Test not batched input
          snake_case__    =					image_processing(image_inputs[0]		,						return_tensors="pt"			).pixel_values

          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase			)

          self.assertEqual(
              encoded_images.shape		,						(1, self.image_processor_tester.num_channels, expected_height, expected_width)		,						)

          # Test batched
          snake_case__    =					image_processing(lowerCamelCase		,						return_tensors="pt"			).pixel_values

          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase		,						batched=lowerCamelCase			)

          self.assertEqual(
              encoded_images.shape		,						(
                  self.image_processor_tester.batch_size,
                  self.image_processor_tester.num_channels,
                  expected_height,
                  expected_width,
              )		,						)
      def A_      (      self			):
          # Initialize image_processing
          snake_case__    =					self.image_processing_class(**self.image_processor_dict			)
          # create random PyTorch tensors
          snake_case__    =					prepare_image_inputs(self.image_processor_tester		,						equal_resolution=lowerCamelCase		,						torchify=lowerCamelCase			)
          for image in image_inputs:
              self.assertIsInstance(lowerCamelCase		,						torch.Tensor			)

          # Test not batched input
          snake_case__    =					image_processing(image_inputs[0]		,						return_tensors="pt"			).pixel_values

          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase			)

          self.assertEqual(
              encoded_images.shape		,						(1, self.image_processor_tester.num_channels, expected_height, expected_width)		,						)

          # Test batched
          snake_case__    =					image_processing(lowerCamelCase		,						return_tensors="pt"			).pixel_values

          snake_case__    ,       snake_case__    =					self.image_processor_tester.get_expected_values(lowerCamelCase		,						batched=lowerCamelCase			)

          self.assertEqual(
              encoded_images.shape		,						(
                  self.image_processor_tester.batch_size,
                  self.image_processor_tester.num_channels,
                  expected_height,
                  expected_width,
              )		,						)
      @slow
      def A_      (      self			):
          # prepare image and target
          snake_case__    =					Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"			)
          with open("./tests/fixtures/tests_samples/COCO/coco_annotations.txt"		,						"r"			) as f:
              snake_case__    =					json.loads(f.read()			)

          snake_case__    =					{"image_id": 3_97_69, "annotations": target}

          # encode them
          snake_case__    =					DetrImageProcessor.from_pretrained("facebook/detr-resnet-50"			)
          snake_case__    =					image_processing(images=lowerCamelCase		,						annotations=lowerCamelCase		,						return_tensors="pt"			)

          # verify pixel values
          snake_case__    =					torch.Size([1, 3, 8_00, 10_66]			)
          self.assertEqual(encoding["pixel_values"].shape		,						lowerCamelCase			)

          snake_case__    =					torch.tensor([0.2_7_9_6, 0.3_1_3_8, 0.3_4_8_1]			)
          self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3]		,						lowerCamelCase		,						atol=1e-4			)			)

          # verify area
          snake_case__    =					torch.tensor([5_8_8_7.9_6_0_0, 1_1_2_5_0.2_0_6_1, 4_8_9_3_5_3.8_4_3_8, 8_3_7_1_2_2.7_5_0_0, 1_4_7_9_6_7.5_1_5_6, 1_6_5_7_3_2.3_4_3_8]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["area"]		,						lowerCamelCase			)			)
          # verify boxes
          snake_case__    =					torch.Size([6, 4]			)
          self.assertEqual(encoding["labels"][0]["boxes"].shape		,						lowerCamelCase			)
          snake_case__    =					torch.tensor([0.5_5_0_3, 0.2_7_6_5, 0.0_6_0_4, 0.2_2_1_5]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"][0]		,						lowerCamelCase		,						atol=1e-3			)			)
          # verify image_id
          snake_case__    =					torch.tensor([3_97_69]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["image_id"]		,						lowerCamelCase			)			)
          # verify is_crowd
          snake_case__    =					torch.tensor([0, 0, 0, 0, 0, 0]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["iscrowd"]		,						lowerCamelCase			)			)
          # verify class_labels
          snake_case__    =					torch.tensor([75, 75, 63, 65, 17, 17]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["class_labels"]		,						lowerCamelCase			)			)
          # verify orig_size
          snake_case__    =					torch.tensor([4_80, 6_40]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["orig_size"]		,						lowerCamelCase			)			)
          # verify size
          snake_case__    =					torch.tensor([8_00, 10_66]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["size"]		,						lowerCamelCase			)			)



      @slow
      def A_      (      self			):
          # prepare image, target and masks_path
          snake_case__    =					Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"			)
          with open("./tests/fixtures/tests_samples/COCO/coco_panoptic_annotations.txt"		,						"r"			) as f:
              snake_case__    =					json.loads(f.read()			)

          snake_case__    =					{"file_name": "000000039769.png", "image_id": 3_97_69, "segments_info": target}

          snake_case__    =					pathlib.Path("./tests/fixtures/tests_samples/COCO/coco_panoptic"			)

          # encode them
          snake_case__    =					DetrImageProcessor.from_pretrained("facebook/detr-resnet-50-panoptic"			)
          snake_case__    =					image_processing(images=lowerCamelCase		,						annotations=lowerCamelCase		,						masks_path=lowerCamelCase		,						return_tensors="pt"			)

          # verify pixel values
          snake_case__    =					torch.Size([1, 3, 8_00, 10_66]			)
          self.assertEqual(encoding["pixel_values"].shape		,						lowerCamelCase			)

          snake_case__    =					torch.tensor([0.2_7_9_6, 0.3_1_3_8, 0.3_4_8_1]			)
          self.assertTrue(torch.allclose(encoding["pixel_values"][0, 0, 0, :3]		,						lowerCamelCase		,						atol=1e-4			)			)

          # verify area
          snake_case__    =					torch.tensor([1_4_7_9_7_9.6_8_7_5, 1_6_5_5_2_7.0_4_6_9, 4_8_4_6_3_8.5_9_3_8, 1_1_2_9_2.9_3_7_5, 5_8_7_9.6_5_6_2, 7_6_3_4.1_1_4_7]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["area"]		,						lowerCamelCase			)			)
          # verify boxes
          snake_case__    =					torch.Size([6, 4]			)
          self.assertEqual(encoding["labels"][0]["boxes"].shape		,						lowerCamelCase			)
          snake_case__    =					torch.tensor([0.2_6_2_5, 0.5_4_3_7, 0.4_6_8_8, 0.8_6_2_5]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["boxes"][0]		,						lowerCamelCase		,						atol=1e-3			)			)
          # verify image_id
          snake_case__    =					torch.tensor([3_97_69]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["image_id"]		,						lowerCamelCase			)			)
          # verify is_crowd
          snake_case__    =					torch.tensor([0, 0, 0, 0, 0, 0]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["iscrowd"]		,						lowerCamelCase			)			)
          # verify class_labels
          snake_case__    =					torch.tensor([17, 17, 63, 75, 75, 93]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["class_labels"]		,						lowerCamelCase			)			)
          # verify masks
          snake_case__    =					82_28_73
          self.assertEqual(encoding["labels"][0]["masks"].sum().item()		,						lowerCamelCase			)
          # verify orig_size
          snake_case__    =					torch.tensor([4_80, 6_40]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["orig_size"]		,						lowerCamelCase			)			)
          # verify size
          snake_case__    =					torch.tensor([8_00, 10_66]			)
          self.assertTrue(torch.allclose(encoding["labels"][0]["size"]		,						lowerCamelCase			)			)



