如何将处理过的热成像图像通过Wifi传输出来？
-
# 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)
-
直接换上lepton，然后运行Wi-Fi的程序就行。
-
此回复已被删除！
-
@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
-
https://book.openmv.cc/example/27-Lepton/lepton_target_temp_hotspot_rgb565_color_tracking.html
目标温度热点彩色追踪运行例子。
需要自己改一下代码。
-
@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)
-
此回复已被删除！
-
过几天我测试一下。