报错 OSError:Image format is not supported!

txeg

发不了图片可以加下QQ

kidswong999

论坛可以发图片。

请不要留联系方式，会删帖。

txeg

报个错都保不上

kidswong999

来自星瞳实验室APP: 像素格式不支持, 报错：OSError: Pixel format is not supported! https://forum.singtown.com/topic/888

txeg

@kidswong999

import sensor, image, time

from pid import PID
from pyb import Servo

pan_servo=Servo(1)
tilt_servo=Servo(2)

red_threshold  = (13, 49, 18, 61, 6, 47)

pan_pid = PID(p=0.07, i=0, imax=90) #脱机运行或者禁用图像传输，使用这个PID
tilt_pid = PID(p=0.05, i=0, imax=90) #脱机运行或者禁用图像传输，使用这个PID
#pan_pid = PID(p=0.1, i=0, imax=90)#在线调试使用这个PID
#tilt_pid = PID(p=0.1, i=0, imax=90)#在线调试使用这个PID

sensor.reset() # Initialize the camera sensor.
sensor.set_contrast(1)
sensor.set_gainceiling(16)
sensor.set_pixformat(sensor.RGB565) # use RGB565.
sensor.set_framesize(sensor.QQVGA) # use QQVGA for speed.
sensor.skip_frames(10) # Let new settings take affect.
sensor.set_auto_whitebal(False) # turn this off.
clock = time.clock() # Tracks FPS.

face_cascade = image.HaarCascade("frontalface", stages=25)

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


while(True):
    clock.tick() # Track elapsed milliseconds between snapshots().
    img = sensor.snapshot() # Take a picture and return the image.

    blobs = img.find_features(face_cascade, threshold=0.75, scale=1.35)
    if blobs:
        max_blob = find_max(blobs)
        pan_error = max_blob[0]+max_blob[2]/2-img.width()/2
        tilt_error = max_blob[1]+max_blob[3]/2-img.height()/2

        print("pan_error: ", pan_error)

        img.draw_rectangle(max_blob) # rect
        img.draw_cross(max_blob[0]+max_blob[2]/2, max_blob[1]+max_blob[3]/2) # cx, cy

        pan_output=pan_pid.get_pid(pan_error,1)/2
        tilt_output=tilt_pid.get_pid(tilt_error,1)
        print("pan_output",pan_output)
        pan_servo.angle(pan_servo.angle()+pan_output)
        tilt_servo.angle(tilt_servo.angle()-tilt_output)

txeg

@kidswong999

你看下它显示那一句话错了

txeg

@kidswong999

大佬你再看看是不是那四个问题啊

kidswong999

我运行你的代码，没有报错。

txeg

@kidswong999
我用的是星瞳星瞳OpenMV3 CamM7