An exception occurs when running anonymizer.py on the Raspberry Pi 4B&USB Accelerator

[3344393853]

During the operation of anonymizer.py, when everyone re-entered the screen, there was a problem: the body line drawing in each frame before will not disappear, and it has been piled up in the screen.

[hjonnala]

Hi, please provide the following details:

1. python version
2. Operating system
3. steps to reproduce the issue.

[3344393853]

Hi
raspi4B + ubuntu Mate20.04 + Coral USB Accelerator + python3.8.8

aaa@aaa:~/work/coral/00_posenet$ python3 anonymizer.py
/home/aaa/work/coral/00_posenet/gstreamer.py:15: PyGIWarning: Gst was imported without specifying a version first. Use gi.require_version('Gst', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import GLib, GObject, Gst, GstBase, GstVideo, Gtk
/home/aaa/work/coral/00_posenet/gstreamer.py:15: PyGIWarning: GstBase was imported without specifying a version first. Use gi.require_version('GstBase', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import GLib, GObject, Gst, GstBase, GstVideo, Gtk
/home/aaa/work/coral/00_posenet/gstreamer.py:15: PyGIWarning: GstVideo was imported without specifying a version first. Use gi.require_version('GstVideo', '1.0') before import to ensure that the right version gets loaded.
from gi.repository import GLib, GObject, Gst, GstBase, GstVideo, Gtk
/home/aaa/work/coral/00_posenet/gstreamer.py:15: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
from gi.repository import GLib, GObject, Gst, GstBase, GstVideo, Gtk
Loading model: models/mobilenet/posenet_mobilenet_v1_075_481_641_quant_decoder_edgetpu.tflite
Gstreamer pipeline: v4l2src device=/dev/video0 ! video/x-raw,width=640,height=480,framerate=30/1 ! decodebin ! videoflip method=clockwise video-direction=identity ! tee name=t
t. ! queue max-size-buffers=1 leaky=downstream ! videoconvert ! freezer name=freezer ! rsvgoverlay name=overlay
! videoconvert ! autovideosink
t. ! queue max-size-buffers=1 leaky=downstream ! videoconvert ! videoscale ! video/x-raw,width=641,height=480 ! videobox name=box autocrop=true
! video/x-raw,format=RGB,width=641,height=481 ! appsink name=appsink emit-signals=true max-buffers=1 drop=true

Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Waiting for everyone to leave the frame...
Background set.

The result on the screen is like this：

[hjonnala]

@3344393853 try the following command let us know still you are facing issues.

python3 anonymizer.py --mirror

[yishinhung]

@3344393853 try the following command let us know still you are facing issues.

python3 anonymizer.py --mirror

@hjonnala I try the following command still encounter the issue
python3 anonymizer.py --mirror

[hjonnala]

@yishinhung Thanks for confirming. It is a bug on our side, we are working on it. Will let you know once it is resolved.