1 files changed, 0 insertions, 71 deletions
diff --git a/gaussian.py b/gaussian.py
deleted file mode 100644
index 2e5ad90..0000000
--- a/gaussian.py
+++ /dev/null
@@ -1,71 +0,0 @@
-# Copyright 2016 (c) Egor Tensin <Egor.Tensin@gmail.com>
-# This file is part of the "Simple image filters" project.
-# For details, see https://github.com/egor-tensin/filters.
-# Distributed under the MIT License.
-
-import argparse
-import sys
-
-import cv2
-import numpy as np
-
-def gen_kernel(radius, sigma):
-    kernel = np.array([[i ** 2 + j ** 2
-        for i in range(-radius, radius + 1)]
-        for j in range(-radius, radius + 1)])
-    kernel = -kernel / (2 * sigma ** 2)
-    kernel = np.exp(kernel)
-    kernel = kernel / np.sum(kernel)
-    return kernel
-
-def convolve(img, kernel):
-    #print(kernel)
-    radius = kernel.shape[0] // 2
-    output = np.zeros(img.shape, dtype=img.dtype)
-    for i in range(radius, img.shape[0] - radius):
-        for j in range(radius, img.shape[1] - radius):
-            neighborhood = img[i - radius:i + radius + 1, j - radius:j + radius + 1]
-            output[i, j] = np.sum(neighborhood * kernel)
-    return output
-
-DEFAULT_SIGMA = 1.
-DEFAULT_RADIUS = 1
-
-def gaussian(img_path, radius=DEFAULT_RADIUS, sigma=DEFAULT_SIGMA,
-             output_path=None):
-
-    img = cv2.imread(img_path, cv2.IMREAD_GRAYSCALE)
-    kernel = gen_kernel(radius, sigma)
-    output = convolve(img, kernel)
-    if output_path is None:
-        cv2.imshow("Output", output)
-        cv2.waitKey()
-    else:
-        cv2.imwrite(output_path, output)
-
-def _parse_non_negative_integer(s):
-    try:
-        x = int(s)
-    except ValueError:
-        raise argparse.ArgumentTypeError('must be a non-negative integer: ' + s)
-    if x < 0:
-        raise argparse.ArgumentTypeError('must be a non-negative integer: ' + s)
-    return x
-
-def _parse_args(args=sys.argv):
-    parser = argparse.ArgumentParser()
-    parser.add_argument('img_path')
-    parser.add_argument('--output', '-o',
-                        dest='output_path', default=None)
-    parser.add_argument('-s', '--sigma',
-                        type=float, default=DEFAULT_SIGMA)
-    parser.add_argument('--radius', '-r',
-                        type=_parse_non_negative_integer,
-                        default=DEFAULT_RADIUS)
-    return parser.parse_args(args[1:])
-
-def main(args=sys.argv):
-    gaussian(**vars(_parse_args(args)))
-
-if __name__ == '__main__':
-    main()