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876天前#!/usr/bin/env python |
# encoding: utf-8 |
import numpy as np |
from PIL import Image |
class picture: |
def __init__(self): |
self.path = 'assets/picture.jpeg' |
def hello(self): |
''' |
This is a welcome speech |
:return: self |
''' |
|
return self |
def run(self): |
''' |
The program entry |
''' |
im = self.to_black_white() |
im.show() |
im.save('assets/black_white.jpeg') |
def to_black_white(self): |
''' |
Picture to black white |
''' |
im = np.asarray(Image.open(self.path).convert('RGB')) |
trans = np.array([[0.299, 0.587, 0.114], [0.299, 0.587, 0.114], [0.299, 0.587, 0.114]]).transpose() |
im = np.dot(im, trans) |
return Image.fromarray(np.array(im).astype('uint8')) |
if __name__ == '__main__': |
picture().hello().run() |
