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informramiz/opencv-face-recognition-python
Same name (ID) on different faces

Hi Rameez, I am having a problem in face recognition. I used LBPHFaceRecognizer() in training and pre trained HaarCascadeClassifier in face recognition. I used two samples faces and 30 images of each ...
  • asif48
  • Opened 
    on Jan 10, 2023
  • #34

informramiz/opencv-face-recognition-python
Model Training

Hi, I have one question about the training. Shall I use one image or serveral images to train for one people ?
  • Zhipeng-Luo
  • 1
  • Opened 
    on Nov 14, 2022
  • #33

informramiz/opencv-face-recognition-python
Why this happened?: SystemError: <class 'cv2.CascadeClassifier'> returned a result with an error set

Dear sir. When I practice face detection by using the code as follows and an error happened as mentioned in Title. gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) face_cascade = cv2.CascadeClassifier( opencv-files/lbpcascade_frontalface.xml ...
  • Thomas-stc
  • Opened 
    on May 23, 2021
  • #32

informramiz/opencv-face-recognition-python
Error no attribute 'face'

face_recognizer = cv2.face.LBPHFaceRecognizer_create() AttributeError: module cv2.cv2 has no attribute face
  • SidmoGoesBrrr
  • 1
  • Opened 
    on Apr 4, 2021
  • #31

informramiz/opencv-face-recognition-python
At least two classes are needed to perform a LDA

OpenCV(4.5.1) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-i1s8y2i1\opencv\modules\core\src\lda.cpp:1087: error: (-5:Bad argument) At least two classes are needed to perform a LDA. Reason: Only ...
  • Sagehill
  • Opened 
    on Feb 6, 2021
  • #30

informramiz/opencv-face-recognition-python
AttributeError: module 'cv2.cv2' has no attribute 'face'

  • anu119
  • 2
  • Opened 
    on Apr 16, 2020
  • #29

informramiz/opencv-face-recognition-python
error: (-215:Assertion failed) s >= 0 in function 'cv::setSize'

I am getting this error while training my classifier - face_recog.train(faces,np.array(faceID)) The full code is as follow: [import cv2 import os import numpy as np %config IPCompleter.greedy=True def ...
  • ghost
  • 1
  • Opened 
    on Mar 26, 2020
  • #28

informramiz/opencv-face-recognition-python
AttributeError: 'NoneType' object has no attribute 'copy'

Hello! Ive changed all dir paths to local ones because I want to be able to run the script only by terminal. However when I run it I get the following errors: File /home/kokot/Downloads/opencv-face-recognition-python-master/OpenCV-Face-Recognition-Python.py ...
  • delancre
  • Opened 
    on Mar 2, 2020
  • #27

informramiz/opencv-face-recognition-python
cv2.error: OpenCV(3.4.2) /opt/concourse/worker/volumes/live/9523d527-1b9e-48e0-7ed0-a36adde286f0/volume/opencv-suite_1535558719691/work/opencv_contrib-3.4.2/modules/face/src/eigen_faces.cpp:72: error: (-210:Unsupported format or combination of formats) In the Eigenfaces method all input samples (training images) must be of equal size! Expected 8100 pixels, but was 6561 pixels. in function 'train'

hello！ when I use ace_recognizer = cv2.face.FisherFaceRecognizer_create() or face_recognizer = cv2.face.EigenFaceRecognizer_create() There is an error：cv2.error: OpenCV(3.4.2) /opt/concourse/worker/volumes/live/9523d527-1b9e-48e0-7ed0-a36adde286f0/volume/opencv-suite_1535558719691/work/opencv_contrib-3.4.2/modules/face/src/fisher_faces.cpp:81: ...
  • woshituobaye
  • Opened 
    on Mar 10, 2019
  • #26

informramiz/opencv-face-recognition-python
should return some value like match found or something after completing the prediction.

  • iamharish18
  • Opened 
    on Feb 8, 2019
  • #25
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