Tagged Questions
1
vote
1answer
418 views
Using OpenCV detectMultiScale to find my face
I'm pretty sure I have the general theme correct, but I'm not finding any faces. My code reads from c=cv2.VideoCapture(0), i.e. the computer's videocamera. I then have the following set up to yield ...
-2
votes
1answer
150 views
Need a Haar Cascade for lip
I need a Haar cascaded file for lip detection only. I have searched in openCV
I have gone to this link http://alereimondo.no-ip.org/OpenCV/34
but there is no Haar cascade file that will detect only ...
1
vote
0answers
833 views
How do I create my own haar cascade and apply it?
I am interested in creating my own haar cascade xml file, for use with python, to detect a certain logo (let's say it's the apple logo).
I have tried following the instructions at
...
6
votes
2answers
1k views
Detect face then autocrop pictures
I am trying to find an app that can detect faces in my pictures, make the detected face centered and crop 720 x 720 pixels of the picture. It is rather very time consuming & meticulous to edit ...
3
votes
1answer
857 views
putting the detected face into an image and display in another window in opencv using python
i'm new to image processing and opencv, but so far the easy to understand functions and good documentation have enabled me to try out and understand upto some level code like facedetection etc.
Now ...
3
votes
1answer
1k views
OpenCV Lip Segmentation
How do people usually extract the shape of the lips once the mouth region is found (in my case using haar cascade)? I tried color segmentation and edge/corner detection but they're very inaccurate for ...
9
votes
1answer
1k views
Classifiers confidence in opencv face detector
I'm using opencv's har cascade face detector (cv.HaarDetectObjects) in python.
for example:
faces = cv.HaarDetectObjects(grayscale, cascade, storage, 1.2, 2,
cv.CV_HAAR_DO_CANNY_PRUNING, ...
2
votes
0answers
1k views
OpenCV Python support HaarDetectObjects documentation wrong?
The documentation for the OpenCV Python wrapper states that HaarDetectObjects have this prototype:
HaarDetectObjects(image, cascade, storage, scaleFactor=1.1, minNeighbors=3, flags=0, minSize=(0, 0))
...
1
vote
2answers
859 views
How can I use PIL to crop a select area based on face detection?
Hi I am wanting to use the python imaging library to crop images to a specific size for a website. I have a problem, these images are meant to show people's faces so I need to automatically crop based ...
8
votes
4answers
2k views
Face-tracking libraries for Java or Python
I'm looking for a way to identify faces (not specific people, just where the faces are) and track them as they move across a room.
We're trying to measure walking speed for people, and I assumed ...
