报错信息：
Traceback (most recent call last):
File "D:\project_2026\sam3-main\sam3_infer.py", line 106, in <module>
visualize_formatted_frame_output(
File "D:\project_2026\sam3-main\sam3\visualization_utils.py", line 387, in visualize_formatted_frame_output
plt.show()
File "D:\conda_envs\sam3\Lib\site-packages\matplotlib\pyplot.py", line 613, in show
return _get_backend_mod().show(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Program Files\JetBrains\PyCharm 2024.1.4\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 41, in call
manager.show(**kwargs)
File "C:\Program Files\JetBrains\PyCharm 2024.1.4\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 144, in show
self.canvas.show()
File "C:\Program Files\JetBrains\PyCharm 2024.1.4\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 85, in show
buffer = self.tostring_rgb()
^^^^^^^^^^^^^^^^^
AttributeError: 'FigureCanvasInterAgg' object has no attribute 'tostring_rgb'. Did you mean: 'tostring_argb'?
方法一：切换 matplotlib 后端（推荐）
在代码最开头（import matplotlib 之前）添加：
python
import matplotlib
matplotlib.use('TkAgg') # 或 'Qt5Agg'
import matplotlib.pyplot as plt