Comments (3)
AyushTejwani
commented on July 17, 2024
The eigenfaces lbph and fisherfaces work on PCA method which is based on machine learning. What it does is it takes the average of the all the pics you add to database of a person and brings out an mean image(stored in face in the program) now it calculates the difference between the input new image and mean(stored in confidence in the program) so if the difference is below 200 it recognizes the person.
from opencv-face-recognition-python.
yekosebayang
commented on July 17, 2024
now im confused, at this link he says that it use KNN with euclidian distance... are those the same?
https://towardsdatascience.com/face-recognition-how-lbph-works-90ec258c3d6b
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AyushTejwani
commented on July 17, 2024
I am not sure if they are completely same but they are similar though.. Here is ths link for PCA https://googleweblight.com/i?u=https://en.m.wikipedia.org/wiki/Principal_component_analysis&hl=en-IN
from opencv-face-recognition-python.
Related Issues (20)
- problem in recognizing unknown faces HOT 1
- is all the code in the same script?
- How to get the corresponding LBP image?
- AttributeError: 'NoneType' object has no attribute 'copy' HOT 3
- OpenCV-Face-Recognition-Python.py, Line 223, in <Module> HOT 2
- can't install opencv-contrib-python HOT 1
- Similarity scores
- Testing with other imagees
- should return some value like match found or something after completing the prediction.
- should return some value like match found or something after completing the prediction.
- 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'
- AttributeError: 'NoneType' object has no attribute 'copy'
- error: (-215:Assertion failed) s >= 0 in function 'cv::setSize' HOT 1
- AttributeError: module 'cv2.cv2' has no attribute 'face' HOT 2
- At least two classes are needed to perform a LDA
- Error no attribute 'face' HOT 1
- Why this happened?: SystemError: <class 'cv2.CascadeClassifier'> returned a result with an error set
- Model Training HOT 1
- Same name (ID) on different faces
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