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ChitraPy documentation
ChitraPy
Welcome to ChitraPy’s documentation!
ChitraPy is a digital Image Processing Library in Python.
Installation
Install from Pypi
Install from source
git clone https://github.com/mgautam98/ChitraPy.git
cd ChitraPy
python3 setup.py install
Usage
sample.py
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12 from ChitraPy import filters, helpers
import matplotlib.pyplot as plt
# Load a sample Image
!wget https://i.imgur.com/D24n5DL.png
img = plt.imread('./D24n5DL.png')
plt.imshow(img)
# invert an image
invert = filters.invert(img)
plt.imshow(invert)
Filters
ChitraPy.filters.
contrast_enhancement
( img )
Enhances contrast of an image using histogram equalization.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Contrast enhanced gray image.
ChitraPy.filters.
crop
Crops the image to given dimension.
Parameters:
arg1 (np.array): Numpy image matrix.
arg2 (np.array): Top left corner co-ordinates.
arg3 (np.array): Top right corner co-ordinates.
Returns:
np.array: Cropped image.
ChitraPy.filters.
dither
Applies dither filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Dithered image.
ChitraPy.filters.
emboss
Applies Emboss filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filtered Embossed image.
ChitraPy.filters.
gray_scale
Applies gray scale filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filterd gray scale image.
ChitraPy.filters.
identity
Applies identity filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Identity image.
ChitraPy.filters.
invert
Rotates the image by 180 degrees.
Parameters:
arg1 (np.array): numpy image matrix.
Returns:
np.array: Inverted image.
ChitraPy.filters.
left_sobel
Applies left sobel filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filterd left sobel image.
ChitraPy.filters.
monochrome
Applies monochrome filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Monochrome applied image.
ChitraPy.filters.
negative
Negates the given image.
Parameters:
arg1 (np.array): numpy image matrix.
Returns:
np.array: Negative of the given image.
ChitraPy.filters.
outline
Applies Outline filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filtered outlined image.
ChitraPy.filters.
quick_blur
Blurs the image
Parameters:
arg1 (np.array): numpy image matrix
Returns:
np.array: Gray scale numpy image matrix
ChitraPy.filters.
right_sobel
Applies right sobel filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filterd right sobel image.
ChitraPy.filters.
rotate
Rotates the image by 90 degrees.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Rotated image.
ChitraPy.filters.
sepia
Applies sepia filter to the given image.
Parameters:
arg1 (np.array): numpy image matrix.
Returns:
np.array: Image with sepia filter applied.
ChitraPy.filters.
sharpen
Applies Sharpen filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filtered Sharpen image.
ChitraPy.filters.
sliding_contrast
Changes contrast of the image.
Parameters:
arg1 (np.array): Numpy image matrix.
arg2 (int): Percentage of contrast to change -100 to 100.
Returns:
np.array: Monochrome applied image.
ChitraPy.filters.
top_sobel
Applies top sobel filter to a colored numpy image.
Parameters:
arg1 (np.array): Numpy image matrix.
Returns:
np.array: Filterd top sobel image.
Helpers
ChitraPy.helpers.
InvertGrayImg
( img )
Inverts a single channel image
Parameters:
arg1 (np.array): numpy image matrix
Returns:
np.array: Gray scale numpy image matrix
ChitraPy.helpers.
display
Displays only single channel/ three channel of a numpy image matrix
Parameters:
arg1 (np.array): numpy image matrix
ChitraPy.helpers.
histogram
Plots intensity plots for a color image.
Parameters:
arg1 (np.array): Numpy image matrix.
ChitraPy.helpers.
rgb2gray
Converts a given numpy array colored image to gray image
Parameters:
arg1 (np.array): numpy image matrix
Returns:
np.array: Gray scale numpy image matrix
ChitraPy.helpers.
save
( img , name='image' )
Saves an image in .jpg format in current working directory.
Parameters:
arg1 (np.array): Numpy image matrix.
arg2 (String) : Name of image. Default it is image.
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