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import cv2
import numpy as np

def deskew(im, max_skew=10):
    height, width = im.shape

    # Create a grayscale image and denoise it
    im_gs = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY)
    im_gs = cv2.fastNlMeansDenoising(im_gs, h=3)

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python -m pip install poetry
poetry new quick-show
poetry publish --build

cd .github/workflows/publish.yml


python -m pip install build
python -m build

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git-lfs

What is git-lfs??

git-lfs is kinda of pointer hash which has infomation about file address of cloud data stroage.

• You can uploade and manage revision of large file (>100MB)
• git-lfs give you 1GB for free, and you can upload 1.5GB (If you use over 1.5GB, git-lfs will be locked until you pay for it.)

For more infomations
[1] https://git-lfs.com/
[2] http://arfc.github.io/manual/guides/git-lfs

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import sys
from pathlib import Path
file = Path(__file__).resolve()
package_root_directory = file.parents[1]
sys.path.append(str(package_root_directory))

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UML diagram

https://pypi.org/project/pylint/

pip install pylint
pyreverse -k -o dot /path/to/library

You can view the classes.dot with the command:

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Docstring

1. Sphinx
   https://sphinx-rtd-tutorial.readthedocs.io/en/latest/docstrings.html

2. Install VSC extension - change config to 'shpinx'
   https://marketplace.visualstudio.com/items?itemName=njpwerner.autodocstring

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python -m ipykernel install --user --name myvenv --display-name myvenv

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poetry init

poetry add [django]

poetry build

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import gc
gc.collect()

import torch
torch.cuda.empty_cache()

tf.keras.backend.clear_session()

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When a multidimensional embedded array is saved as a string in a CSV file, you can load it back and convert the string-formatted array into an array object.

def convert(item):
    item = item.strip()  
    item = item[1:-1]   
    item = np.fromstring(item, sep=' ') 
    return item