python去除圖片水印

Sometimes, we need to add watermark as a standard category of plots and therefore, we are introducing a new methodology for adding watermark in this article.

有時，我們需要將水印添加為地塊的標準類別，因此，我們在本文中介紹了一種添加水印的新方法。

使用類的圖中水印的Python代碼 (Python code for watermark in figure using class)

# Data Visualization using Python # WaterMark in Figureimport matplotlib.pyplot as plt from matplotlib.figure import Figure import numpy as npclass WatermarkFigure(Figure):def __init__(self, *args, watermark=None, **kwargs):super().__init__(*args, **kwargs)if watermark is not None:bbox = dict(boxstyle='square', lw=3, ec='gray',fc=(0.9, 0.9, .9, .5), alpha=0.3)self.text(0.5, 0.5, watermark,ha='center', va='center',fontsize=40, color='gray', alpha=0.3, bbox=bbox)x = np.linspace(-3, 3, 201) y = np.exp(-x) + 0.1 * np.cos(5 * x)plt.figure(FigureClass=WatermarkFigure, watermark='Watermark') plt.plot(x, y)

Output:

輸出：

Output is as figure

翻譯自: https://www.includehelp.com/python/watermark-in-figure-using-class.aspx

python去除圖片水印

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