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Instructions don't work..
Following the instructions I get error. Below is what I do on my Ubuntu:
git clone https://github.com/shantnu/FaceDetect
cd FaceDetect
python face_detect.py haarcascade_frontalface_default.xml
I get this error:
Traceback (most recent call last):
File "face_detect.py", line 6, in <module>
cascPath = sys.argv[2]
IndexError: list index out of range
Mark
thanks
.cpp:1698: error: (-215) !empty() in function cv::CascadeClassifier::detectMultiScale
Hi Shantnu ,
I am getting the error in face_detect.py
.cpp:1698: error: (-215) !empty() in function cv::CascadeClassifier::detectMultiScale
"
C:\work_office\hadoop\learning\Python\facedetection>
C:\work_office\hadoop\learning\Python\facedetection>python face_detect.py abba.png
libpng warning: iCCP: profile 'Photoshop ICC profile': 'GRAY': Gray color space not permitted on RGB PNG
OpenCV Error: Assertion failed (!empty()) in cv::CascadeClassifier::detectMultiScale, file C:\projects\opencv-python\opencv\modules\objdetect\src\cascadedetect.cpp, line 1698
Traceback (most recent call last):
File "face_detect.py", line 21, in
flags=cv2.CASCADE_SCALE_IMAGE
cv2.error: C:\projects\opencv-python\opencv\modules\objdetect\src\cascadedetect.cpp:1698: error: (-215) !empty() in function cv::CascadeClassifier::detectMultiScale
"
Face recognition
AttributeError: module 'cv2.cv2' has no attribute 'cv'
Seems to be a problem with the code itself. Your code may need to be fixed @shantnu
face_detect.py
The "face_detect.py" file in the repo has been overwritten with an XML file. The prepackaged zip file containing all of the source seems to be okay.
the Confidentiality of pictures to be detected
hi,
I am so appreciate for your contribution of such a compressed and effective public code. But I have a warning about the confidentiality of our detect pictures because the html address used in the code. I'm sorry for that I don't familiar with the use of such html address.
Waitting for your replay~
cv2.error: OpenCV(4.1.1) /io/opencv/modules/objdetect/src/cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'detectMultiScale'
i was running this script(live.py) and the i got this error:
cv2.error: OpenCV(4.1.1) /io/opencv/modules/objdetect/src/cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'detectMultiScale'
how can i solve this problem?
tnx for answers
module 'cv2' has no attribute '__version__'
OpenCV version: 4.5.3
Python Version:3.7
Windows 10
I installed opencv using cmake and visual studio and when I run python on cmd and type out the code:
import cv2
print(cv2.version)
I get this error:
Traceback (most recent call last):
File , line 1, in
AttributeError: module 'cv2' has no attribute 'version'
Edit: There are double underscores before and after version but I cant seem to see them in the post.
module attribute error
Hi?
I am getting an error on running the command
Traceback (most recent call last):
File "face_detect.py", line 21, in
flags = cv2.cv.CV_HAAR_SCALE_IMAGE
AttributeError: 'module' object has no attribute 'cv'
AttributeError: module 'cv2.cv2' has no attribute 'cv'
AttributeError Traceback (most recent call last)
in
19 minNeighbors=5,
20 minSize=(30, 30),
---> 21 flags = cv2.cv.CV_HAAR_SCALE_IMAGE
22 )
23
AttributeError: module 'cv2.cv2' has no attribute 'cv'
License
Hi,
I found your tutorial on https://realpython.com/face-recognition-with-python/ and was wondering if you have a license for this code? It was incredibly useful and I would like to use parts of it in a project I'm working on if possible.
list index out of range
in my python 3.7 on window 8 , and I have installed opencv-python through pip
I import cv2 and sys and everything.. But.. When it reaches imagePath = sys.argv[1] or
cascPath = sys.argv[2] It says:
list index out of range. !
I changed it to 0, and it passes, but then it tells me assertion error
for that line: gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
what's the solution?
recognize who's face it is
hello. how to recognize who's face it is with webcam? do i need to train this thing somehow for example for my mother's face, for father, for brother... or i can somehow do:
if face_of("father.jpg"):print("hello dad!")
module 'cv2.cv2' has no attribute 'cv'
font=cv2.cv.InitFont(cv2.cv.cv_FONT_HERSHEY_COMPLEX_SMALL,1,1,0,1)
when I write this the error of module 'cv2.cv2' has no attribute 'cv' come:(
help me plsssss
difference between this cascade file and the one packaged by opencv
The haarcascade_frontalface_default.xml
file here is different from same file packaged by OpenCV (in /usr/share/OpenCV/haarcascades/haarcascade_frontalface_default.xml
).
The size is smaller, but a diff does not say anything useful.
It would help to know if it is a different version, or has some improvements over the upstream, thanks.
AttributeError: module 'cv2' has no attribute 'CV_HAAR_SCALE_IMAGE'
File "face_detect.py", line 21, in
flags = cv2.CV_HAAR_SCALE_IMAGE AttributeError:
module 'cv2' has no attribute 'CV_HAAR_SCALE_IMAGE'
I've replaced it with cv2.CASCADE_SCALE_IMAGE and now it works like a charm !
cv2.error: OpenCV(4.2.0) ../modules/core/src/persistence.cpp:719: error: (-49:Unknown error code -49) Input file is invalid in function 'open'
When I try to execute the example i have this output :
cv2.error: OpenCV(4.2.0) ../modules/core/src/persistence.cpp:719: error: (-49:Unknown error code -49) Input file is invalid in function 'open'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "face.py", line 9, in <module>
faceCascade = cv2.CascadeClassifier(cascPath)
SystemError: <class 'cv2.CascadeClassifier'> returned a result with an error set
How i can fix it?
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