
import numpy as np
from cva import COLOR_BGR2GRAY, CV_8UC3, cvtColor, filteraD, imread, imshow, waitKey




def 							a		(				snake_case__:   int		,  snake_case__:   int		,  snake_case__:   int		,  snake_case__:   int		,  snake_case__:   int		,  snake_case__:   int   ):


				'''simple docstring'''

				# prepare kernel
				# the kernel size have to be odd
				if (ksize % 2) == 0:
								lowercase_	    =   ksize + 1
				lowercase_	    =   np.zeros((ksize, ksize)		,  dtype=np.floataa   )

				# each value
				for y in range(snake_case__   ):
								for x in range(snake_case__   ):
												# distance from center
												lowercase_	    =   x - ksize // 2
												lowercase_	    =   y - ksize // 2

												# degree to radiant
												lowercase_	    =   theta / 180 * np.pi
												lowercase_	    =   np.cos(_theta   )
												lowercase_	    =   np.sin(_theta   )

												# get kernel x
												lowercase_	    =   cos_theta * px + sin_theta * py

												# get kernel y
												lowercase_	    =   -sin_theta * px + cos_theta * py

												# fill kernel
												lowercase_	    =   np.exp(
												    -(_x**2 + gamma**2 * _y**2) / (2 * sigma**2)   ) * np.cos(2 * np.pi * _x / lambd + psi   )

				return gabor


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						# read original image
						__a         =   imread('../image_data/lena.jpg')
						# turn image in gray scale value
						__a         =   cvtColor(img, COLOR_BGR2GRAY)

						# Apply multiple Kernel to detect edges
						__a         =   np.zeros(gray.shape[:2])
						for theta in [0, 3_0, 6_0, 9_0, 1_2_0, 1_5_0]:
												__a         =   gabor_filter_kernel(1_0, 8, theta, 1_0, 0, 0)
												out += filteraD(gray, CV_8UC3, kernel_aa)
						__a         =   out / out.max() * 2_5_5
						__a         =   out.astype(np.uinta)

						imshow('Original', gray)
						imshow('Gabor filter with 20x20 mask and 6 directions', out)

						waitKey(0)






from typing import Dict, List, Optional, Union

import numpy as np

from ...image_processing_utils import BaseImageProcessor, BatchFeature, get_size_dict
from ...image_transforms import center_crop, normalize, rescale, resize, to_channel_dimension_format
from ...image_utils import (
    IMAGENET_STANDARD_MEAN,
    IMAGENET_STANDARD_STD,
    ChannelDimension,
    ImageInput,
    PILImageResampling,
    make_list_of_images,
    to_numpy_array,
    valid_images,
)
from ...utils import TensorType, is_vision_available, logging


if is_vision_available():
		import PIL


lowerCamelCase__						=				logging.get_logger(__name__)







class 							lowerCAmelCase__   ( __lowercase						):
						UpperCamelCase_				:			str						=		["pixel_values"]

						def __init__(      self							,				a = True							,				a = None							,				a = PIL.Image.BICUBIC							,				a = True							,				a = None							,				a = 1 / 2_55							,				a = True							,				a = True							,				a = None							,				a = None							,				**a							,				)       ->   None:


								'''simple docstring'''

								super().__init__(**a					)
								_UpperCamelCase         =						size if size is not None else {"""height""": 2_56, """width""": 2_56}
								_UpperCamelCase         =						get_size_dict(a					)
								_UpperCamelCase         =						crop_size if crop_size is not None else {"""height""": 2_24, """width""": 2_24}
								_UpperCamelCase         =						get_size_dict(a							,				param_name="""crop_size"""					)

								_UpperCamelCase         =						do_resize
								_UpperCamelCase         =						size
								_UpperCamelCase         =						resample
								_UpperCamelCase         =						do_center_crop
								_UpperCamelCase         =						crop_size
								_UpperCamelCase         =						do_rescale
								_UpperCamelCase         =						rescale_factor
								_UpperCamelCase         =						do_normalize
								_UpperCamelCase         =						image_mean if image_mean is not None else IMAGENET_STANDARD_MEAN
								_UpperCamelCase         =						image_std if image_std is not None else IMAGENET_STANDARD_STD

						def 			A_					(      self							,				a							,				a							,				a = PIL.Image.BICUBIC							,				a = None							,				**a							,				)       ->   np.ndarray:


								'''simple docstring'''

								_UpperCamelCase         =						get_size_dict(a					)
								if "height" not in size or "width" not in size:
										raise ValueError(F'The size dictionary must have keys \'height\' and \'width\'. Got {size.keys()}'					)
								return resize(
								    a							,				size=(size["""height"""], size["""width"""])							,				resample=a							,				data_format=a							,				**a					)

						def 			A_					(      self							,				a							,				a							,				a = None							,				**a							,				)       ->   np.ndarray:


								'''simple docstring'''

								_UpperCamelCase         =						get_size_dict(a					)
								if "height" not in size or "width" not in size:
										raise ValueError(F'The size dictionary must have keys \'height\' and \'width\'. Got {size.keys()}'					)
								return center_crop(a							,				size=(size["""height"""], size["""width"""])							,				data_format=a							,				**a					)

						def 			A_					(      self							,				a							,				a							,				a = None							,				**a							,				)       ->   List[str]:


								'''simple docstring'''

								return rescale(a							,				scale=a							,				data_format=a							,				**a					)

						def 			A_					(      self							,				a							,				a							,				a							,				a = None							,				**a							,				)       ->   np.ndarray:


								'''simple docstring'''

								return normalize(a							,				mean=a							,				std=a							,				data_format=a							,				**a					)







						def 			A_					(      self							,				a							,				a = None							,				a = None							,				a=None							,				a = None							,				a = None							,				a = None							,				a = None							,				a = None							,				a = None							,				a = None							,				a = None							,				a = ChannelDimension.FIRST							,				**a							,				)       ->   PIL.Image.Image:


								'''simple docstring'''

								_UpperCamelCase         =						do_resize if do_resize is not None else self.do_resize
								_UpperCamelCase         =						resample if resample is not None else self.resample
								_UpperCamelCase         =						do_center_crop if do_center_crop is not None else self.do_center_crop
								_UpperCamelCase         =						do_rescale if do_rescale is not None else self.do_rescale
								_UpperCamelCase         =						rescale_factor if rescale_factor is not None else self.rescale_factor
								_UpperCamelCase         =						do_normalize if do_normalize is not None else self.do_normalize
								_UpperCamelCase         =						image_mean if image_mean is not None else self.image_mean
								_UpperCamelCase         =						image_std if image_std is not None else self.image_std

								_UpperCamelCase         =						size if size is not None else self.size
								_UpperCamelCase         =						get_size_dict(a					)
								_UpperCamelCase         =						crop_size if crop_size is not None else self.crop_size
								_UpperCamelCase         =						get_size_dict(a							,				param_name="""crop_size"""					)

								_UpperCamelCase         =						make_list_of_images(a					)

								if not valid_images(a					):
										raise ValueError(
										    """Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, """
										    """torch.Tensor, tf.Tensor or jax.ndarray."""					)

								if do_resize and size is None or resample is None:
										raise ValueError("""Size and resample must be specified if do_resize is True."""					)

								if do_center_crop and crop_size is None:
										raise ValueError("""Crop size must be specified if do_center_crop is True."""					)

								if do_rescale and rescale_factor is None:
										raise ValueError("""Rescale factor must be specified if do_rescale is True."""					)

								if do_normalize and (image_mean is None or image_std is None):
										raise ValueError("""Image mean and std must be specified if do_normalize is True."""					)

								# All transformations expect numpy arrays.
								_UpperCamelCase         =						[to_numpy_array(a					) for image in images]

								if do_resize:
										_UpperCamelCase         =						[self.resize(image=a							,				size=a							,				resample=a					) for image in images]

								if do_center_crop:
										_UpperCamelCase         =						[self.center_crop(image=a							,				size=a					) for image in images]

								if do_rescale:
										_UpperCamelCase         =						[self.rescale(image=a							,				scale=a					) for image in images]

								if do_normalize:
										_UpperCamelCase         =						[self.normalize(image=a							,				mean=a							,				std=a					) for image in images]

								_UpperCamelCase         =						[to_channel_dimension_format(a							,				a					) for image in images]

								_UpperCamelCase         =						{"""pixel_values""": images}
								return BatchFeature(data=a							,				tensor_type=a					)



