For those interested in improving Q.bo's face detection and face tracking, I've written a standalone script that allows testing purely vision of Q.bo. So don't expect yet with this script a fully working Q.bo (that will follow) but ideal for understanding Q.bo's thinking when it concerns face detection.
My base version uses the same HAAR cascade frontal and profile face detection of the original Q.bo code but I've optimized it, added face selection (the largest and closest to Q.bo) and finally the more CPU efficient face tracking once a face is detected. But after a few seconds or so, it tries to redetect faces since there could be another face closer to Q.bo that might appear and would deserve/catch Q.bo's attention.
I had to resort to Python 3 in order to get the 'opencv-contrib-python' which is required for tracking.
- Connect to Q.bo using VNC
- Copy the attached file Qbo_face_detect_and_track.py to the /home/pi/ directory
- Press Ctrl+Alt+T to open a terminal
- Enter
sudo pkill python sudo pkill chromium
- Enter
sudo apt-get install libjasper-dev sudo apt-get install libqtgui4 sudo apt-get install libqt4-test sudo pip3 install pyyaml sudo pip3 install imutils sudo pip3 install opencv-contrib-python
- Enter
python3 Qbo_face_detect_and_track.py
A window appears named 'Video' showing what Q.bo actually realtime sees and where Q.bo detects and tracks faces. A detected and tracked face (each time only 1 face, the largest so closest to Q.bo) is surrounded by a green rectangle in the shown video window. Exit by pressing 'q'.
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Christian Buysschaert
Leuven - Belgium
Email christian.buysschaert@gmail.com
I am creating a new PID and a robust face tracking for Q.bo using OpenCV. The next steps are to use the second camera for depth and object recognition. A lot of possibilities with this piece of hardware. We´ll be in touch!!!
Looking forward to this and compare! Great to see others interested...
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Christian Buysschaert
Leuven - Belgium
Email christian.buysschaert@gmail.com
did I do something wrong?
I get an error back: from .cv2 import*
ImportError: libhdf5_serial_so.100: cannot open shared object file: No such file or directory
Try ... specifically the instructions on libhdf5-serial-dev...
https://stackoverflow.com/questions/48965309/h5py-import-error-on-libhdf5-serial-so-100
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Christian Buysschaert
Leuven - Belgium
Email christian.buysschaert@gmail.com
for opencv (3.4.4) I had to install:
sudo apt-get update
sudo apt-get install libhdf5-dev
sudo apt-get update
sudo apt-get install libhdf5-serial-dev
I tried to launch the program but I got a response like that:
Traceback (most recent call last):
File (Qbo_face_detect_and_track.py), line 119, in <module>
minisize=(30,30)
cv2.error: OpenCV(3.4.4) /home/pi/packaging/opencv-python/opencv/modules/objdetect/src/cascadedetect.cpp:1698:error: (-215:Assertion failed) !empty() in function 'detectMultiscale'.
and now?
Do you have an /opt/qbo/haarcascades/ subdirectory?
pi@qbo:~ $ ls /opt/qbo/haarcascades/
haarcascade_frontalface_alt2.xml haarcascade_profileface_alt.xml
haarcascade_frontalface_default.xml haarcascade_profileface.xml
pi@qbo:~ $
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Christian Buysschaert
Leuven - Belgium
Email christian.buysschaert@gmail.com
Sorry but I'm not very experienced ...
I think I have an incomplete installation of opencv because I do not have the directory: /home/pi/packaging/opencv-python/opencv/modules/objdetect/src/...
the directory: /... / haarcascades / ... I created it manually
a suggestion?
Ah, yes, you have a pre-Q.bo v3.0 installation (before everything was installed /home/pi/).
1. Copy the attached file to the (created) /opt/qbo/haarcascades/ directory
2. Unzip the file
unzip haarcascades.zip
3. Remove the file (for cleaning up purposes)
rm haarcascades.zip
4. Make sure the files are readable for everyone
chmod +r /opt/qbo/haarcascades
You should have then 4 .xml files in the directory which should allow you to proceed.
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Christian Buysschaert
Leuven - Belgium
Email christian.buysschaert@gmail.com
How does on get the Q.bo v3.0 beta?
How does on get the Q.bo v3.0 beta?
i sent weeks ago an email to indiegogo@thecorpora.com in order to enter into the "beta programs". Don´t expect a quick answer because i know they are waiting for Mycroft "Open Voice Assistance" an agreement to use it in the new openQbo V3.0 Distro.
