openmv/scripts/examples/02-Image-Processing/00-Drawing/keypoints_drawing.py
2023-07-05 19:03:37 +02:00

36 lines
984 B
Python

# Keypoints Drawing
#
# This example shows off drawing keypoints on the OpenMV Cam. Usually you call draw_keypoints()
# on a keypoints object but you can also call it on a list of 3-value tuples...
import sensor
import time
import pyb
sensor.reset()
sensor.set_pixformat(sensor.RGB565) # or GRAYSCALE...
sensor.set_framesize(sensor.QVGA) # or QQVGA...
sensor.skip_frames(time=2000)
clock = time.clock()
while True:
clock.tick()
img = sensor.snapshot()
for i in range(20):
x = (pyb.rng() % (2 * img.width())) - (img.width() // 2)
y = (pyb.rng() % (2 * img.height())) - (img.height() // 2)
rot = pyb.rng() % 360
r = (pyb.rng() % 127) + 128
g = (pyb.rng() % 127) + 128
b = (pyb.rng() % 127) + 128
# This method draws a keypoints object or a list of (x, y, rot) tuples...
img.draw_keypoints(
[(x, y, rot)], color=(r, g, b), size=20, thickness=2, fill=False
)
print(clock.fps())