The pattern-recognition tag has no wiki summary.
2
votes
3answers
114 views
Handwritten character recognition as characters are being traced
I'm looking for an OCR technique (PCA or SVM or anything else) in a peculiar setting. I want to detect the motion of the finger so that if someone writes something in front of the camera in the air, I ...
1
vote
0answers
68 views
Unsupervised anomaly detection: assigning the clusters to normal and anomaly
Having a unsupervised algorithm done on a dataset (e.g. K-means), how can I determine which cluster is normal and which is anomalous (for 30 clusters, for example)?
If the dataset contains normal ...
3
votes
2answers
445 views
Shannon's entropy for an image
Shannon's entropy [plog(1/p)] for an image is a probabilistic method for comparing two pixels or a group of pixels.Suppose an image with a matrix of 3x3 has pixel intensity values
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3
votes
2answers
133 views
Difference between HSI and YCbCr for pattern recognition by color
I am doing a project on face detection in C#. I want to find the skin area by using skin color segmentation. For that purpose, I have to extract the skin area.
I know I can use HSI or YCbCr, but what ...
2
votes
2answers
77 views
Speech vs Music classification
I want to determine which parts of an audio file contain speech respectively music.
I hope someone has a made something like this or can tell me where to start. Can you please suggest some method or ...
6
votes
0answers
168 views
Breaking CAPTCHAs: what is the state of the art? [closed]
I've already posted this question on Stackoverflow but that place is more specificly for question about programming, so here I am.
I've attended a Machine Learning course and, seeing some nice ...
2
votes
1answer
95 views
Pattern classification: what goes into the sample?
I am trying to compare the performance of a classification result with Bayes classifier, K-NN, Piece wise component analysis (PCA). I have doubts regarding the following (please excuse my lack of ...
6
votes
1answer
107 views
Issue in comparing classifiers for pattern recognition
I have designed a classifier M which recognizes gestures and classifies it under any category always. A gesture is classified based on the hamming distance between the sample time series y and the ...
10
votes
1answer
76 views
Methods to evaluate a system of written rules
I was trying to come up with a system that would evaluate bylaws for an organization as to determine their underlying logic.
I think a first-order predicate system would work for representing the ...
