More face detection

[Stuart Axon]

Nice article on face detection - seems to use ctypes... maybe we could use this instead of our binary blob based system ?

- Entirely not sure whats involved though...

http://blog.jozilla.net/2008/06/27/fun-with-python-opencv-and-face-detection/

S++

[francesco fantoni]

Actually face detection and blob detection use two different approaches
in opencv shoebot library too: if I remember well, face detection uses
already haar cascade features as explained in the article, while blob
detection depends on the binary library.

f.


example code:

size(720,576)
videolib = ximport("sbopencv")

speed(300)

video = videolib.camera(0, width=320, height=240)


def draw():

nofill()
nostroke()
frame = video.frame()
#push()
#rotate(random(-5,5))
image(None,0,0,data=frame.data)
faces = frame.faces
for i in faces:
#print i.x, i.y, i.width, i.height
stroke(1)
strokewidth(1)
fill(1,1,1,0.5)
oval(i.x,i.y,i.width,i.height)
nostroke()
nofill

Post by Stuart Axon
Nice article on face detection - seems to use ctypes... maybe we could use this instead of our binary blob based system ?
- Entirely not sure whats involved though...
http://blog.jozilla.net/2008/06/27/fun-with-python-opencv-and-face-detection/
S++
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[Stuart Axon]

Ah, cool... also just noticed article is quite old too.

Definitely want to get to the point of making stuff with shoebot as opposed to changing the shoebot code itself, at which point I might have a play with face detection stuff :)

S++



----- Original Message ----

Sent: Wed, June 16, 2010 7:38:34 AM
Subject: Re: [shoebot-devel] More face detection
Actually face detection and blob detection use two different approaches

in

opencv shoebot library too: if I remember well, face detection uses

already

haar cascade features as explained in the article, while blob

detection

depends on the binary library.

f.


example
size(720,576)
videolib =

ximport("sbopencv")

speed(300)

video = videolib.camera(0,

width=320, height=240)
nofill()

nostroke()
frame =

video.frame()

#push()

#rotate(random(-5,5))

image(None,0,0,data=frame.data)

faces = frame.faces
#print i.x, i.y, i.width, i.height
stroke(1)

strokewidth(1)

fill(1,1,1,0.5)
oval(i.x,i.y,i.width,i.height)
nostroke()

nofill



Il giorno mar,

Nice article on
face detection - seems to use ctypes... maybe we could use this instead of our
binary blob based system ?
- Entirely not sure whats involved
though...
http://blog.jozilla.net/2008/06/27/fun-with-python-opencv-and-face-detection/
S++
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Post by Stuart Axon
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