例程讲解04-Image-Filters->rotation_correction旋转校正

# 旋转校正
#
# 这个例子展示了如何使用rotation_corr（）在图像上放大和缩小三维的视角旋转。 虽然
# 此演示为了好玩旋转图像，但您可以使用此功能来修复与OpenMV的安装相关的透视问题。

import sensor, image, time

# Degrees per frame to rotation by...
X_ROTATION_DEGREE_RATE = 5
Y_ROTATION_DEGREE_RATE = 0.5
Z_ROTATION_DEGREE_RATE = 0
X_OFFSET = 0
Y_OFFSET = 0

ZOOM_AMOUNT = 1 # Lower zooms out - Higher zooms in

sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)
clock = time.clock()

x_rotation_counter = 0
y_rotation_counter = 0
z_rotation_counter = 0

while(True):
    clock.tick()

    img = sensor.snapshot().rotation_corr(x_rotation = x_rotation_counter, \
                                          y_rotation = y_rotation_counter, \
                                          z_rotation = z_rotation_counter, \
                                          x_translation = X_OFFSET, \
                                          y_translation = Y_OFFSET, \
                                          zoom = ZOOM_AMOUNT)

    x_rotation_counter += X_ROTATION_DEGREE_RATE
    y_rotation_counter += Y_ROTATION_DEGREE_RATE
    z_rotation_counter += Z_ROTATION_DEGREE_RATE

    print(clock.fps())

星瞳科技OpenMV官方中文文档函数讲解：