Visual Neural Network recognizer that breaks up an image into digital image features (nose, mouth, etc) to improve accuracy in object recognition.
Questions tagged [haar-classifier]
394 questions
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votes
1 answer
OpenCV Cascade Classification: Fast contrast stretching Constant
In the paper "Empirical analysis of detection cascades of boosted classifiers for rapid object detection", section 2.3, the authors talk about fast contrast stretching. I do not see in OpenCV or Matlab any reference to this preprocessing. Normally…
![](../../users/profiles/4707781.webp)
satideur
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1 answer
OpenCV change path and permissions in function cvSave
How can I change the path and permissions of cvSave in OpenCV?
I am doing a haartraining and after all stages are complete I receive an error:
OpenCV Error: Unspecified error (Could not open the file storage. Check the path and permissions) in…
![](../../users/profiles/3657447.webp)
user3657447
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1 answer
Hand Detection using EmguCV
I'm new to emguCV. I need to access web camera and detect the hand.then I need to recognize the sign of the hand and add some controls according to the hand sign. first of all I need to detect hand from web camera stream. I have no idea how to…
![](../../users/profiles/2848856.webp)
gihansalith
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1 answer
How can I detect multiple signs using haar training
I am working on a project that detects signs, I am currently using haar training to obtain the hand detection. I have trained XML files for different signs. I am unable to use multiple XML files in my detection program. Is there anyway by which I…
![](../../users/profiles/3422458.webp)
user3422458
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