import matplotlib.pyplot as plt





fig = plt.gcf()

plt.imshow(context)

# ax.set_xticks([])
# ax.set_yticks([])
plt.axis('off')

plt.gca().xaxis.set_major_locator(plt.NullLocator())

plt.gca().yaxis.set_major_locator(plt.NullLocator())

plt.subplots_adjust(top=1, bottom=0, right=1, left=0, hspace=0, wspace=0)

plt.margins(0, 0)

fig.savefig(save_den, format='png', transparent=True, dpi=300, pad_inches=0)

# plt.savefig(save_den, bbox_inches='tight', pad_inches=0)  #
# plt.show()
plt.close(fig)







具体的可以参考以下网页：



https://blog.csdn.net/jifaley/article/details/79687000