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424c200847
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37 Commits

Author SHA1 Message Date
Mozartus
424c200847
Add gabor filter (#5289) 
* add gabor_filter.py

* Update gabor_filter.py

* update gabor_filter.py

* add doctest

* change import order

* Update digital_image_processing/filters/gabor_filter.py

Co-authored-by: John Law <johnlaw.po@gmail.com>

* Update gabor_filter.py

* fix gabor filter calculation

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2021-11-02 18:06:39 +08:00
Saurabh Suresh Powar
433b804f7d
Added morphological operations, fixes: #5197 (#5199) 
* Added morphological operations, fixes: #5197

* Added dilation tests and type hints

* Added erosion tests and type hints

* fixes: TheAlgorithms#5197

* fixes: TheAlgorithms#5197

* Update erosion_operation.py

* made suggested changes in dilation

* made suggested changes in erosion

* made suggested changes in dilation

* removed extra spaces in the tests

* removed extra spaces in the tests
 2021-10-16 16:32:40 +02:00
Dhruv Manilawala
6f21f76696
fix(ci): Update pre-commit hooks and apply new black (#4359) 
* fix(ci): Update pre-commit hooks and apply new black

* remove empty docstring
 2021-04-26 07:46:50 +02:00
algobytewise
531d2d6d7e
Mypy fix rotation.py (#4319) 
* fix type-hints arguments

* fix matrices & image-path

* Update build.yml

* Revert "Update build.yml"

This reverts commit c2d04aef65.

* use pathlib

* feat: Add mypy configuration file (#4315)

* feat: Add mypy config file

* refactor: Remove mypy options from build workflow

* Remove linear_algebra

Co-authored-by: Christian Clauss <cclauss@me.com>

* rebase & update mypy.ini

* fix pre-commit errors

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2021-04-06 15:34:18 +02:00
Dmytro Litvinov
5903948cf3
Fixes: #2404. Fix PIL DeprecationWarnings in pytest output (#2678) 2020-10-03 09:22:22 +02:00
Dhruv
48357cea5b
Add __init__.py files in all the directories (#2503) 2020-09-28 19:42:36 +02:00
Du Yuanchao
4d0a8f2355
Optimized recursive_bubble_sort (#2410) 
* optimized recursive_bubble_sort

* Fixed doctest error due whitespace

* reduce loop times for optimization

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-09-10 10:31:26 +02:00
Christian Clauss
5f4da5d616
isort --profile black . (#2181) 
* updating DIRECTORY.md

* isort --profile black .

* Black after

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-07-06 09:44:19 +02:00
Furkan Atesli
6f80ca821c
Create change_brightness.py (#2126) 
* Create change_brightness.py

* Update change_brightness.py

* Update change_brightness.py

* Update change_brightness.py

* Update change_brightness.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-06-17 07:49:20 +02:00
Christian Clauss
b9e5259aeb
Fix long line, tests (#2123) 
* Fix long line

* updating DIRECTORY.md

* Add doctest

* ...

* ...

* Update tabu_search.py

* space

* Fix doctest

    >>> find_neighborhood(['a','c','b','d','e','a'])  # doctest: +NORMALIZE_WHITESPACE
    [['a','e','b','d','c','a',90], [['a','c','d','b','e','a',90],
     ['a','d','b','c','e','a',93], ['a','c','b','e','d','a',102],
     ['a','c','e','d','b','a',113], ['a','b','c','d','e','a',93]]

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-06-16 14:29:13 +02:00
Christian Clauss
9316e7c014
Set the Python file maximum line length to 88 characters (#2122) 
* flake8 --max-line-length=88

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-06-16 10:09:19 +02:00
Christian Clauss
1f8a21d727
Tighten up psf/black and flake8 (#2024) 
* Tighten up psf/black and flake8

* Fix some tests

* Fix some E741

* Fix some E741

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-05-22 08:10:11 +02:00
Christian Clauss
69171a9ac3
The new version of flake8 is linting f-strings (#1976) 
* The new version of flake8 is linting f-strings

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-05-13 20:03:28 +02:00
Maxim R
369562a1e8
Upgrades to caesar_cipher.py (#1958) 
* Added more flexibility to functions, decreased amount of repeating code

* Added docstrings

* Updated input functions

* Added doctests

* removed test piece of code

* black .

* Updated caesar cipher standard alphabet to fit python 3.8

* Update and rename sleepsort.py to sleep_sort.py

* Or 4

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-08 07:44:07 +02:00
mateuszz0000
c18c677a38
Added Nearest neighbour algorithm (#1934) 2020-05-07 23:47:28 +02:00
Christian Clauss
1ad78b2663
Fix invalid escape sequence in binary_search_tree.py (#1920) 
* Fix invalid escape sequence in binary_search_tree.py

data_structures/binary_tree/binary_search_tree.py:156
  /home/travis/build/TheAlgorithms/Python/data_structures/binary_tree/binary_search_tree.py:156: DeprecationWarning: invalid escape sequence \

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-05-01 02:17:11 +05:30
mateuszz0000
3d0680eddf
Added Burkes dithering algorithm. (#1916) 
* Added Burkes dithering algorithm

* Added unit tests for burkes algorithm

* Fix burkes algorithm

* Added some additional information

* Fixed CI tests

* Update digital_image_processing/dithering/burkes.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update digital_image_processing/dithering/burkes.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update digital_image_processing/dithering/burkes.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Propogate the += and add a doctest

* Fix doctest

* @staticmethod --> @ classmethod to ease testing

* def test_burkes(file_path):

* Fix for mypy checks

* Fix variable order in get_greyscale

* Fix get_greyscale method

* Fix get_greyscale method

* 3.753

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-04-30 11:54:20 +02:00
mateuszz0000
5933cd4d83
Added sepia tone (#1877) 
* Add sepia tone

* Add unit test

* technic --> technique

* Update digital_image_processing/sepia.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update digital_image_processing/sepia.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Fixed errors after commit changes

* Fixed errors

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-04-26 11:59:11 +02:00
matkosoric
7f04e5cd34
contribution guidelines checks (#1787) 
* spelling corrections

* review

* improved documentation, removed redundant variables, added testing

* added type hint

* camel case to snake case

* spelling fix

* review

* python --> Python # it is a brand name, not a snake

* explicit cast to int

* spaces in int list

* "!= None" to "is not None"

* Update comb_sort.py

* various spelling corrections in documentation & several variables naming conventions fix

* + char in file name

* import dependency - bug fix

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-03-04 13:40:28 +01:00
praveennadiminti
c1a4cc96c8
Add bilateral filter (#1786) 
* Added Bilateral filter

* Added Bilateral filter

* changed types of varS and varI

* formatted with black

* added type hints

* changed variable names

* Update bilateral_filter.py

* Drop transitory variables, add parse_args()

Co-authored-by: vinayak <itssvinayak@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-26 15:56:45 +05:30
Christian Clauss
bfcb95b297
Create codespell.yml (#1698) 
* fixup! Format Python code with psf/black push

* Create codespell.yml

* fixup! Format Python code with psf/black push
 2020-01-18 13:24:33 +01:00
Christian Clauss
28419cf839 pyupgrade --py37-plus **/*.py (#1654) 
* pyupgrade --py37-plus **/*.py

* fixup! Format Python code with psf/black push
 2020-01-03 22:25:36 +08:00
Binish Manandhar
1cbeaa252a Image processing algorithms added (#616) 
* Image processing algorithms added

* Example images included

* Issues resolved

* class added

* Naming issues fixes

* Create file_path
 2019-12-10 07:52:40 +01:00
Shoaib Asgar
9316618611 digital_image_processing/convert_to_negative (#1216) 
* digital_image_processing/convert_to_negative

* added doc

* added test code

* Update convert_to_negative.py
 2019-12-09 03:29:01 +01:00
Níkolas Vargas
938dd0bbb5 improved prime numbers implementation (#1606) 
* improved prime numbers implementation

* fixup! Format Python code with psf/black push

* fix type hint

* fixup! Format Python code with psf/black push

* fix doctests

* updating DIRECTORY.md

* added prime tests with negative numbers

* using for instead filter

* updating DIRECTORY.md

* Remove unused typing.List

* Remove tab indentation

* print("Sorted order is:", " ".join(a))
 2019-12-07 06:39:08 +01:00
João Gustavo A. Amorim
3cfca42f17 add the index calculation class at digital_image_processing and the hamming code algorithm at hashes (#1152) 
* add the index calculation at difital_image_processing file

* make changes at index_calculation

* update the variables to self variables at functions

* update the word wrap in comments at index_calculation

* add the hamming code algorithm

* Wrap long lines
 2019-12-06 07:13:10 +01:00
Christian Clauss
ec7bc7c7cd Tabs --> spaces in quine_mc_cluskey.py (#1426) 
* Tabs --> spaces in quine_mc_cluskey.py

* fixup! Format Python code with psf/black push
 2019-11-21 22:21:40 +08:00
Fakher Mokadem
e8aa81297a Update gaussian_filter.py (#1548) 
* Update gaussian_filter.py

Changed embedded for loops with product. This way range(dst_height) is called only once, instead of being called $dst_height.

* Update gaussian_filter.py

fixed missing width
 2019-11-20 11:06:32 +05:30
Matheus T. Guimarães
5fd868c460 Add algorithm to rotate images (#1420) 
* Add algorithm to rotate image

* Edit function to be compliant in Black and Flake8 formats

* Add type hints in get_rotation() and  enumerate() in loop
 2019-10-22 21:19:38 +02:00
William Zhang
9eac17a408 psf/black code formatting (#1277) 2019-10-05 10:14:13 +05:00
Marvin M. Michum
f8e30cfab1
Digital Image Processing Tests (#1178) 
* add version of smaller image

* swap image in tests

* edits for image src
 2019-09-13 07:40:14 -04:00
Marvin M. Michum
c686cc5863 fix outdated fork error (#1117) 2019-08-08 17:59:15 +02:00
QuantumNovice
05e567c2f9 Code to change contrast (#1060) 
* Add files via upload

* Update requirements.txt

* Add files via upload

* Add files via upload

* Add files via upload

* Add files via upload
 2019-07-21 13:03:39 +02:00
Shoujue Xu
34dee749a7 add canny edge detection algorithm and modify sobel_filter (#991) 
* add gaussian filter algorithm and lena.jpg

* add img_convolve algorithm and sobel_filter

* add canny edge detection algorithm and modify sobel_filter

* format to avoid the backslashes
 2019-07-10 22:41:05 +08:00
Shoujue Xu
e2d9953952 convolve and sobel (#971) 
* add gaussian filter algorithm and lena.jpg

* add img_convolve algorithm and sobel_filter
 2019-07-08 22:56:26 +05:30
Shoujue Xu
408c5deb3a add gaussian filter algorithm and lena.jpg (#955) 2019-07-05 13:50:11 +05:30
Matheus Guimarães
ac28125060 Add median filter algorithm (#675) 2019-01-19 09:20:59 +05:30