vl4x 发布的帖子

vl4x

求教大佬，怎么能在第二张热成像图上面添加第一个图右侧的那个色条？

vl4x

@kidswong999 我们运行了一下，但是传输出来的是没有经过处理的热成像图，请问怎么可以把经过算法处理的图像传出来，我们运行的是下面的代码

# MJPEG Streaming AP.
#
# This example shows off how to do MJPEG streaming in AccessPoint mode.
# Chrome, Firefox and MJpegViewer App on Android have been tested.
# Connect to OPENMV_AP and use this URL: http://192.168.1.1:8080 to view the stream.

import sensor, image, time, network, usocket, sys ,math

SSID ='OPENMV_AP'    # Network SSID
KEY  ='1234567890'    # Network key (must be 10 chars)
HOST = ''           # Use first available interface
PORT = 8080         # Arbitrary non-privileged port

# Color Tracking Th1resholds (Grayscale Min, Grayscale Max)颜色跟踪阈值（最小灰度，最大灰度）
threshold_list = [(200,255)]

# Set the target temp range here在此处设置目标温度范围
min_temp_in_celsius = 22.0
max_temp_in_celsius = 35.0

print("Resetting Lepton...")
# These settings are applied on reset这些设置在重置时适用
# Reset sensor
sensor.reset()
# Set sensor settings

sensor.ioctl(sensor.IOCTL_LEPTON_SET_MEASUREMENT_MODE, True)
sensor.ioctl(sensor.IOCTL_LEPTON_SET_MEASUREMENT_RANGE, min_temp_in_celsius, max_temp_in_celsius)
print("Lepton Res (%dx%d)" % (sensor.ioctl(sensor.IOCTL_LEPTON_GET_WIDTH),
                              sensor.ioctl(sensor.IOCTL_LEPTON_GET_HEIGHT)))
print("Radiometry Available: " + ("Yes" if sensor.ioctl(sensor.IOCTL_LEPTON_GET_RADIOMETRY) else "No"))



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(time=1000)
# You can block waiting for client to connect
#print(wlan.wait_for_sta(10000))

# Init wlan module in AP mode.
wlan = network.WINC(mode=network.WINC.MODE_AP)
wlan.start_ap(SSID, key=KEY, security=wlan.WEP, channel=2)


def map_g_to_temp(g):
    return ((g * (max_temp_in_celsius - min_temp_in_celsius)) / 255.0) + min_temp_in_celsius


def start_streaming(s):
    print ('Waiting for connections..')
    client, addr = s.accept()
    # set client socket timeout to 2s
    client.settimeout(2.0)
    print ('Connected to ' + addr[0] + ':' + str(addr[1]))

    # Read request from client
    data = client.recv(1024)
    # Should parse client request here

    # Send multipart header
    client.send("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\n")

    # FPS clock
    clock = time.clock()

    # Start streaming images
    # NOTE: Disable IDE preview to increase streaming FPS.


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

        blob_stats = []
        blobs = img.find_blobs(threshold_list,pixels_threshold=100, area_threshold=100,merge=False)
        # Collect stats into a list of tuples将统计信息收集到元组列表中
        for blob in blobs:
            blob_stats.append((blob.x(), blob.y(), map_g_to_temp(img.get_statistics(thresholds=threshold_list,
                                                                                 roi=blob.rect()).mode())))
            
        img.to_rainbow(color_palette=sensor.PALETTE_IRONBOW) # color it
    # Draw stuff on the colored image在彩色图像上画东西
        for blob in blobs:
            img.draw_rectangle(blob.rect())
            img.draw_rectangle(blob.x()+5,blob.y()+5,blob.w()-10,blob.h()-10,color=(0,255,0 ))
            img.draw_cross(blob.cx(), blob.cy())    
        
        for blob_stat in blob_stats:
            img.draw_string(blob_stat[0]+7, blob_stat[1]+7, "%.2f C" % blob_stat[2], mono_space=False)
        print("FPS %f - Lepton Temp: %f C" % (clock.fps(), sensor.ioctl(sensor.IOCTL_LEPTON_GET_FPA_TEMPERATURE)))
        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"
        client.send(header)
        client.send(cframe)
        
        
       


while (True):
    # Create server socket
    s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
    try:
        # Bind and listen
        s.bind([HOST, PORT])
        s.listen(5)

        # Set server socket timeout
        # NOTE: Due to a WINC FW bug, the server socket must be closed and reopened if
        # the client disconnects. Use a timeout here to close and re-create the socket.
        s.settimeout(3)
        start_streaming(s)
    except OSError as e:
        s.close()
        print("socket error: ", e)
        #sys.print_exception(e)

vl4x

@kidswong999 如果我们需要将处理过的热成像图传输出来，怎么修改代码。比如我们需要在温度高的地方画框标记，然后将标记后的图像通过wifi传出视频流

vl4x

# MJPEG Streaming AP.
#
# This example shows off how to do MJPEG streaming in AccessPoint mode.
# Chrome, Firefox and MJpegViewer App on Android have been tested.
# Connect to OPENMV_AP and use this URL: http://192.168.1.1:8080 to view the stream.

import sensor, image, time, network, usocket, sys ,math

SSID ='OPENMV_AP'    # Network SSID
KEY  ='1234567890'    # Network key (must be 10 chars)
HOST = ''           # Use first available interface
PORT = 8080         # Arbitrary non-privileged port

# Color Tracking Th1resholds (Grayscale Min, Grayscale Max)颜色跟踪阈值（最小灰度，最大灰度）
threshold_list = [(200,255)]

# Set the target temp range here在此处设置目标温度范围
min_temp_in_celsius = 22.0
max_temp_in_celsius = 35.0

print("Resetting Lepton...")
# These settings are applied on reset这些设置在重置时适用
# Reset sensor
sensor.reset()
# Set sensor settings

sensor.ioctl(sensor.IOCTL_LEPTON_SET_MEASUREMENT_MODE, True)
sensor.ioctl(sensor.IOCTL_LEPTON_SET_MEASUREMENT_RANGE, min_temp_in_celsius, max_temp_in_celsius)
print("Lepton Res (%dx%d)" % (sensor.ioctl(sensor.IOCTL_LEPTON_GET_WIDTH),
                              sensor.ioctl(sensor.IOCTL_LEPTON_GET_HEIGHT)))
print("Radiometry Available: " + ("Yes" if sensor.ioctl(sensor.IOCTL_LEPTON_GET_RADIOMETRY) else "No"))



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(time=1000)
# You can block waiting for client to connect
#print(wlan.wait_for_sta(10000))

# Init wlan module in AP mode.
wlan = network.WINC(mode=network.WINC.MODE_AP)
wlan.start_ap(SSID, key=KEY, security=wlan.WEP, channel=2)


def map_g_to_temp(g):
    return ((g * (max_temp_in_celsius - min_temp_in_celsius)) / 255.0) + min_temp_in_celsius


def start_streaming(s):
    print ('Waiting for connections..')
    client, addr = s.accept()
    # set client socket timeout to 2s
    client.settimeout(2.0)
    print ('Connected to ' + addr[0] + ':' + str(addr[1]))

    # Read request from client
    data = client.recv(1024)
    # Should parse client request here

    # Send multipart header
    client.send("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\n")

    # FPS clock
    clock = time.clock()

    # Start streaming images
    # NOTE: Disable IDE preview to increase streaming FPS.


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

        blob_stats = []
        blobs = img.find_blobs(threshold_list,pixels_threshold=100, area_threshold=100,merge=False)
        # Collect stats into a list of tuples将统计信息收集到元组列表中
        for blob in blobs:
            blob_stats.append((blob.x(), blob.y(), map_g_to_temp(img.get_statistics(thresholds=threshold_list,
                                                                                 roi=blob.rect()).mode())))
            
        img.to_rainbow(color_palette=sensor.PALETTE_IRONBOW) # color it
    # Draw stuff on the colored image在彩色图像上画东西
        for blob in blobs:
            img=img.draw_rectangle(blob.rect())
            img.draw_rectangle(blob.x()+5,blob.y()+5,blob.w()-10,blob.h()-10,color=(0,255,0 ))
            img.draw_cross(blob.cx(), blob.cy())    
        
        for blob_stat in blob_stats:
            img.draw_string(blob_stat[0]+7, blob_stat[1]+7, "%.2f C" % blob_stat[2], mono_space=False)
        print("FPS %f - Lepton Temp: %f C" % (clock.fps(), sensor.ioctl(sensor.IOCTL_LEPTON_GET_FPA_TEMPERATURE)))
        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"
        client.send(header)
        client.send(cframe)
        print(clock.fps())
        
       


while (True):
    # Create server socket
    s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
    try:
        # Bind and listen
        s.bind([HOST, PORT])
        s.listen(5)

        # Set server socket timeout
        # NOTE: Due to a WINC FW bug, the server socket must be closed and reopened if
        # the client disconnects. Use a timeout here to close and re-create the socket.
        s.settimeout(3)
        start_streaming(s)
    except OSError as e:
        s.close()
        print("socket error: ", e)
        #sys.print_exception(e)