WIFI传图做色块识别，手机上看不到框框怎办

18229941233

手机上看不到把色块框起来的框框

kidswong999

需要编写程序的，你把你的程序贴一下

18229941233

此回复已被删除！

18229941233

import sensor, image, time, network, usocket, sys
from pyb import UART,LED

uart = UART(3, 1382400) #设置串口波特率
uart.init(1382400,timeout_char=100)

green_threshold   = ((42, 78, 34, 82, 0, 63))#目标颜色

# Reset sensor
sensor.reset()

# Set sensor settings
sensor.set_contrast(1)
sensor.set_brightness(1)
sensor.set_saturation(1)
sensor.set_gainceiling(16)
sensor.set_framesize(sensor.QQVGA)
sensor.set_pixformat(sensor.RGB565)
sensor.skip_frames(10)
sensor.set_auto_whitebal(False) # turn this off.
#sensor.set_auto_gain(False)
clock = time.clock()

def find_max(blobs):
    max_size=0
    for blob in blobs:
        if blob[2]*blob[3] > max_size:
            max_blob=blob
            max_size = blob[2]*blob[3]
    return max_blob

#等待接收客服端连接成功
while(uart.readchar()!=43):
    print("connect...")
#连接成功LED显示
LED(1).on()
time.sleep(2000)
uart.write("HTTP/1.1 200 OK!\r\n" \
            "Server: OpenMV\r\n" \
            "Content-Type: multipart/x-mixed-replace;boundary=openmv\r\n" \
            "Cache-Control: no-cache\r\n" \
            "Pragma: no-cache\r\n\r\nend")
# FPS clock
time.sleep(4000)
# Start streaming images
# NOTE: Disable IDE preview to increase streaming FPS.



while (True):
    clock.tick() # Track elapsed milliseconds between snapshots().
    img = sensor.snapshot()

    cframe = img.compressed(quality=35)

    header = "\r\n--openmv\r\n" \
             "Content-Type: image/jpeg\r\n"\
             "Content-Length:"+str(cframe.size())+"\r\n\r\n"
    blobs = img.find_blobs([green_threshold])
    if blobs:
        max_blob = find_max(blobs)
        pan_error = max_blob.cx()-img.width()/2
        tilt_error = max_blob.cy()-img.height()/2
        print("pan_error: ", pan_error)
        img.draw_rectangle(max_blob.rect()) # rect
        img.draw_cross(max_blob.cx(), max_blob.cy()) # cx, cy
    uart.write(header)
    uart.write(cframe)
    uart.write("end")

kidswong999

cframe = img.compressed(quality=35)

这一句，需要放在后面，需要在draw_rectangle/draw_cross后面，才可以让画出框框的图像发送出去。

18229941233

谢谢你，我以后会常来这提问。谢谢。