请在这里粘贴代码
```# Single Color RGB565 Blob Tracking Example
#
# This example shows off single color RGB565 tracking using the OpenMV Cam.
import sensor, image, time, math
import time
from pyb import UART
uart = UART(3, 19200)
threshold_index = 0 # 0 for red, 1 for green, 2 for blue
# Color Tracking Thresholds (L Min, L Max, A Min, A Max, B Min, B Max)
# The below thresholds track in general red/green/blue things. You may wish to tune them...
thresholds = [(30, 100, 15, 127, 15, 127), # generic_red_thresholds
(30, 100, -64, -8, -32, 32), # generic_green_thresholds
(0, 30, 0, 64, -128, 0)] # generic_blue_thresholds
sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)
sensor.set_auto_gain(False) # must be turned off for color tracking
sensor.set_auto_whitebal(False) # must be turned off for color tracking
clock = time.clock()
# Only blobs that with more pixels than "pixel_threshold" and more area than "area_threshold" are
# returned by "find_blobs" below. Change "pixels_threshold" and "area_threshold" if you change the
# camera resolution. "merge=True" merges all overlapping blobs in the image.
def findColor(r,g,b):
rr = int(r)
gg = int(g)
bb = int(b)
if rr > gg and rr > bb :
return 'r'
if gg > rr and gg > bb :
return 'g'
if bb > rr and bb > gg :
return 'b'
while(True):
time.sleep(100)
clock.tick()
img = sensor.snapshot()
rgbs = img.get_pixel(int(img.width()/2),int(img.height()/2+0.5))
print(findColor(rgbs[0],rgbs[1],rgbs[2]))
result = findColor(rgbs[0],rgbs[1],rgbs[2])
uart.write(result)
I
iywu
@iywu
0
声望
1
楼层
428
资料浏览
0
粉丝
0
关注
iywu 发布的帖子
-
TypeError: object with buffer protocol required 出现错误