Traceback (most recent call last): File "E:\shengyibei\pythonProject_ecg (2)\pythonProject_ecg\main.py", line 224, in <module> plt.savefig('{}normalized_beats/{}/beat_{}_{}_{}.png'.format(output_path, beats_labels[i], record, i, beats_labels[i])) File "D:\2023.5.21\lib\site-packages\matplotlib\pyplot.py", line 1023, in savefig res = fig.savefig(*args, **kwargs) File "D:\2023.5.21\lib\site-packages\matplotlib\figure.py", line 3343, in savefig self.canvas.print_figure(fname, **kwargs) File "D:\2023.5.21\lib\site-packages\matplotlib\backend_bases.py", line 2366, in print_figure result = print_method( File "D:\2023.5.21\lib\site-packages\matplotlib\backend_bases.py", line 2232, in <lambda> print_method = functools.wraps(meth)(lambda *args, **kwargs: meth( File "D:\2023.5.21\lib\site-packages\matplotlib\backends\backend_agg.py", line 509, in print_png self._print_pil(filename_or_obj, "png", pil_kwargs, metadata) File "D:\2023.5.21\lib\site-packages\matplotlib\backends\backend_agg.py", line 457, in _print_pil FigureCanvasAgg.draw(self) File "D:\2023.5.21\lib\site-packages\matplotlib\backends\backend_agg.py", line 394, in draw self.renderer = self.get_renderer() File "D:\2023.5.21\lib\site-packages\matplotlib\_api\deprecation.py", line 384, in wrapper return func(*inner_args, **inner_kwargs) File "D:\2023.5.21\lib\site-packages\matplotlib\backends\backend_agg.py", line 411, in get_renderer self.renderer = RendererAgg(w, h, self.figure.dpi) File "D:\2023.5.21\lib\site-packages\matplotlib\backends\backend_agg.py", line 84, in __init__ self._renderer = _RendererAgg(int(width), int(height), dpi) MemoryError: In RendererAgg: Out of memory 进程已结束,退出代码1

这是一个内存错误（MemoryError），说明程序在使用时已经占用了所有可用的内存，导致无法继续运行。在这个错误发生时，Python 解释器尝试分配更多内存，但是没有足够的内存可用，因此抛出了该异常。

可能的原因是程序处理的数据量太大，超出了计算机的内存限制。可以考虑减少数据量，或者使用更大的内存容量的计算机进行处理。另外也可以优化代码，减少内存占用。例如，对于绘制的图片，可以尝试减小分辨率或者压缩图片大小来减少内存占用。