Webcam cannot be initialized properly. Please check if the device USB Camera: USB Camera (usb-0000:01:00.0-1.3) is available and free to use.
matlab–
1.r=raspi;–Successfully established connection
Raspberry Pi–
2. lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:3035 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 25a7:fa67
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
3. fswebcam -r 640*480 a.png
— Opening /dev/video0…
Trying source module v4l2…
/dev/video0 opened.
No input was specified, using the first.
Adjusting resolution from 640x-1 to 640×480.
— Capturing frame…
Captured frame in 0.00 seconds.
— Processing captured image…Writing JPEG image to ‘a.png’matlab–
1.r=raspi;–Successfully established connection
Raspberry Pi–
2. lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:3035 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 25a7:fa67
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
3. fswebcam -r 640*480 a.png
— Opening /dev/video0…
Trying source module v4l2…
/dev/video0 opened.
No input was specified, using the first.
Adjusting resolution from 640x-1 to 640×480.
— Capturing frame…
Captured frame in 0.00 seconds.
— Processing captured image…Writing JPEG image to ‘a.png’ matlab–
1.r=raspi;–Successfully established connection
Raspberry Pi–
2. lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:3035 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 25a7:fa67
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
3. fswebcam -r 640*480 a.png
— Opening /dev/video0…
Trying source module v4l2…
/dev/video0 opened.
No input was specified, using the first.
Adjusting resolution from 640x-1 to 640×480.
— Capturing frame…
Captured frame in 0.00 seconds.
— Processing captured image…Writing JPEG image to ‘a.png’ matlab,raspberry pi MATLAB Answers — New Questions