近来研究图片的剪切拼接,用到PIL,在打开PNG格式保存为JPEG格式的图片发现报错: import os from PIL import Image im = Image.open(r'E:\work\testcrop\test\hn1.png') img_size = im.size w = img_size[0] / 2.0 h = img_size[1] x = 0 y = 0 print("图片宽度和高度分别是{}".format(img_size)) region = im…
如果遇到: OSError: `pydot` failed to call GraphViz.Please install GraphViz (https://www.graphviz.org/) and ensure that its executables are in the $PATH. Ubuntu 下解决方法: sudo apt install graphviz 或者尝试安装: pip install pydot pip install pydot-ng pip install gr…