نتایج جستجو برای: a multi class classification

تعداد نتایج: 13638155  

2012
Hemant Panwar Surendra Gupta

Generalization error of classifier can be reduced by larger margin of separating hyperplane. The proposed classification algorithm implements margin in classical perceptron algorithm, to reduce generalized errors by maximizing margin of separating hyperplane. Algorithm uses the same updation rule with the perceptron, to converge in a finite number of updates to solutions, possessing any desirab...

2013
Anna Choromanska Alekh Agarwal

We consider the multi class classification problem under the setting where the number of labels is very large and hence it is very desirable to efficiently achieve train and test running times which are logarithmic in the label complexity. Additionally the labels are feature dependent in our setting. We propose a reduction of this problem to a set of binary regression problems organized in a tr...

Journal: :journal of agricultural science and technology 2010
a. farzaneh

forest classification on the basis of satellite images is a promising technique both for primary map production and for map updating and forest monitoring. for accurate for-est classification into three classes, using mapping by canopy cover density “high spatial resolution satellite images have to be used in order to obtain the required spatial detail” [schneider, 1999]. at the same time, the ...

حسین خانی, فاطمه, ناصرشریف, بابک ,

Discriminative methods are used for increasing pattern recognition and classification accuracy. These methods can be used as discriminant transformations applied to features or they can be used as discriminative learning algorithms for the classifiers. Usually, discriminative transformations criteria are different from the criteria of  discriminant classifiers training or  their error. In this ...

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