例程讲解10-Color-Tracking->single_color_grayscale_blob_tracking单色灰度色块跟踪
import sensor, image, time
thresholds = (245, 255)
sensor.reset()
sensor.set_pixformat(sensor.GRAYSCALE)
sensor.set_framesize(sensor.VGA)
sensor.skip_frames(time = 2000)
sensor.set_auto_gain(False)
sensor.set_auto_whitebal(False)
clock = time.clock()
while(True):
clock.tick()
img = sensor.snapshot()
for blob in img.find_blobs([thresholds], pixels_threshold=100, area_threshold=100, merge=True):
img.draw_rectangle(blob.rect())
img.draw_cross(blob.cx(), blob.cy())
print(clock.fps())
星瞳科技OpenMV官方中文文档函数讲解: