from maix import camera, display, image
camera.config(size=(640, 360))
while True:
img = camera.capture()
display.show(img)畸变矫正
strength：是一个浮点数而该值确定了对图像进行去鱼眼效果的程度.
zoom：是在对图像进行缩放的数值（默认值为 1.0）
https://wiki.sipeed.com/news/MaixPy3/camera_lens_corr/v831_lens_corr.html
from maix import camera, display, image
camera.config(size=(640, 360))
while True:
img = camera.capture()
img = img.lens_corr(strength=2.1, zoom=0.9)
display.show(img)